CN109577172A - Middle pier anticollision system and construction method - Google Patents
Middle pier anticollision system and construction method Download PDFInfo
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- CN109577172A CN109577172A CN201811494561.6A CN201811494561A CN109577172A CN 109577172 A CN109577172 A CN 109577172A CN 201811494561 A CN201811494561 A CN 201811494561A CN 109577172 A CN109577172 A CN 109577172A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/14—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Botany (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention relates to middle pier anticollision system and construction methods to be respectively adopted different Anticollision Measures for different type pillarwork, for rectangle pier, carries out protection using completely isolated theory and isolated flexible protection system is arranged；For cylinder pier, using adhesion type flexible protection system；Large scale bridge pier is limited by space when flexible protection facility can not be set, using reinforced guardrail anticollision system；For Pier Column Group comparatively dense, when individually can not carry out Anti-bumping protection measure to each pier stud, the pier prefabrication and assembly construction entirety wall anticollision island in.Four kinds of anticollision systems design different constructions according to pier stud feature; anti-collision structure size is small; impact resistant capability is strong; it is easy to loading and unloading; substantially it can reach pier purpose in protection highway overline bridge; the present invention also relates to relevant construction method while being related to four kinds of anticollision architectures, has preferable economic technology benefit.
Description
Technical field
The present invention relates to middle pier anticollision field more particularly to a kind of middle pier anticollision systems and construction method, are suitable in height
The pier anticollision system of various structure types in fast highway.
Background technique
High speed cross over-line bridge is numerous, various informative, mainly has beam bridge, arch bridge and Slant Legged Rigid Frame, wherein beam bridge is largely equal
Bridge pier is set in median strip, but does not do Anticollision Measures.
In recent years, with the rapid growth of car ownership, so that China's traffic safety allows of no optimist, automobile impacting
Traffic accidents caused by bridge pier occur again and again, will cause when serious bridge pier collapse, car crash, bring irredeemable life
Life and property loss.Therefore, to add Anticollision Measures to overline bridge bridge pier imperative.
In consideration of it, improving safety to mitigate vehicle to the shock degree of bridge pier, it would be highly desirable to invent a kind of simple and effective
Middle pier anticollision system and construction method.
Summary of the invention
The purpose of the present invention is to provide pier anticollision system in one, the middle pier anticollision system is including but not limited to isolated
Flexible protection system, adhesion type flexible protection system, reinforced guardrail anticollision system and middle pier prefabrication and assembly construction wall anticollision island
Equal various structures, are respectively suitable for the anticollision of rectangle pier, cylinder pier, large scale bridge pier and Pier Column Group, have preferable economical
Benefit.
In order to realize any of the above goal of the invention, pier anticollision system and its corresponding construction method in present invention offer, institute
State construction method correspond to isolated flexible protection system, adhesion type flexible protection system, reinforced guardrail anticollision system and in
The construction method of four structures in pier prefabrication and assembly construction wall anticollision island.
The present invention have the characteristics that it is following and the utility model has the advantages that
(1) isolated flexible protection system is arranged for rectangle pier in the present invention, and the isolated flexible protection system is by preventing
It hits column, horizontal anti-collision pipe and corrugated guardrail to collectively constitute, by shock " refuse in thousands of miles away ", to reach protection bridge pier mesh
's.
(2) adhesion type flexible protection system is arranged for cylinder pier in the present invention, in the pre- buried strap guide spiro rod of cylinder pier surrounding
Assembled ring foundation, using guide spiro rod mounting bracket, installation unit formula anticollison block, this structure take up an area size within the carrier
Small, anticollision ability is strong, easy to loading and unloading.
(3) reinforced guardrail anticollision system is arranged for large scale bridge pier in the present invention, buries large scale pier stud two sides are pre-buried
Enter the prefabricated strip footing of formula, pilot hole implanted column, column longitudinally disposed column stringer are set in strip footing, column is laterally set
K shape strengthening support is set, multiple columns are held together, jolt capacity is greatly enhanced.
(4) present invention drives a vehicle for pier prefabrication and assembly construction entirety wall anticollision island in Pier Column Group setting in two lateral edge of Pier Column Group
Precast concrete wall guardrail is continuously arranged in direction, and wall fence is fixed by pre-buried tightening latch, and is covered on connecting bottom board, wall shield
Wall fence reinforcing beam is arranged in back in column, and is connected together by reinforcing beam connecting screw, sound construction, good integrity, resists
Jolt capacity is strong.
Detailed description of the invention
Fig. 1 is the plane of the isolated flexible protection system in the middle pier anticollision system in an embodiment according to the present invention
Figure.
Fig. 2 is the vertical of the isolated flexible protection system in the middle pier anticollision system in an embodiment according to the present invention
Sectional view.
Fig. 3 is that the isolated flexible protection system anticollision in the middle pier anticollision system in an embodiment according to the present invention is vertical
The profile of column；
Fig. 4 is the anticollision of the isolated flexible protection system in the middle pier anticollision system in an embodiment according to the present invention
The plan view of column Interal fixation.
Fig. 5 is that the isolated flexible protection system anticollision in the middle pier anticollision system in an embodiment according to the present invention is vertical
Column connect top view with horizontal anti-collision pipe and horizontal channel steel of reinforcing.
Fig. 6 is that the isolated flexible protection system flexibility in the middle pier anticollision system in an embodiment according to the present invention is led
Flow the enlarged drawing of anticollison block.
Fig. 7 is the structure of the adhesion type flexible protection system in the middle pier anticollision system in an embodiment according to the present invention
Schematic diagram.
Fig. 8 is that the adhesion type flexible protection architecture in the middle pier anticollision system in an embodiment according to the present invention is bowed
View.
Fig. 9 is the structure of the reinforced guardrail anticollision system in the middle pier anticollision system in an embodiment according to the present invention
Schematic diagram.
Figure 10 is bowing for the reinforced guardrail anticollision system in the middle pier anticollision system in an embodiment according to the present invention
View.
Figure 11 is the wave of the reinforced guardrail anticollision system in the middle pier anticollision system in an embodiment according to the present invention
The detailed maps of the fixation A node of shape guard bar structure.
Figure 12 is the wave of the reinforced guardrail anticollision system in the middle pier anticollision system in an embodiment according to the present invention
The detailed maps of the fixation B node of shape guard bar structure.
Figure 13 is the pier prefabrication and assembly construction entirety wall anticollision in the middle pier anticollision system in an embodiment according to the present invention
The structural schematic diagram on island.
Figure 14 is the pier prefabrication and assembly construction entirety wall anticollision in the middle pier anticollision system in an embodiment according to the present invention
The top view on island.
Figure 15 is the pier prefabrication and assembly construction entirety wall anticollision in the middle pier anticollision system in an embodiment according to the present invention
The elevation on island.
Wherein: rectangle pier -1, anti-collision upright post -2, horizontal anti-collision pipe -3, corrugated guardrail -4, horizontal reinforcement channel steel -5, retaining
Bolt -6, flexible fluid-directing anticollison block -7, high-speed central dividing strip -8, obstruction block -9, connection bolt -10, the fixed steel band-of channel steel
11, aperture perforation expands area -12, pea gravel concreten binds, and -13, hole top penetrates through pressing plate 14, fixation steel plate -15 is pushed up in hole, fixed soil
Follow closely -16, rammed earth -17, column periphery screed -18, high molecular abrasion-proof layer -19, self- recoverage elastic layer -20, composite material
Energy consumption layer -21, energy-absorbing module fixed plate -23, energy-absorbing module fixture nut -24, cylinder pier -25, is prevented energy-absorbing damping spring -22
Collision block protrusion -26, separate type bottom bracket -27, modular anticollison block -28, guide spiro rod -29, backfill rubble -30, assembled ring
Shape basis -31, annulated column concrete cushion -32, separate type bracket -33, the outstanding branch galvanized anticorrosive steel plate -34 of annular, steel plate plantation
Cave -35, liana -36, large scale pier stud -37, pilot hole implanted column 38, K shape strengthening support -39, K shape support interval crossbeam -
40, the prefabricated strip footing -41 of flush type, cast-in-place strip footing crossbeam -42, column assembly screw rod -43, column stringer -44, pad
Circle -45, splice bolt -47, anti-theft lock nut -48, waveform beam slab -49, crossbeam gasket -50, is prevented antitheft clamp nut -46
Stop block -51, Pier Column Group -52, groove -53 is excavated in median strip, kerbstone -54, planting soil fill out chamber -55, greening grass -56,
Precast concrete wall guardrail -57, wall fence transverse prestress add pull rod -58, wall fence breaking joint -59, wall fence
It is brutal -60, reinforcing beam connecting screw -61, pier week sandy gravel stratum -62, concrete cushion -63, pre-buried prestressing force rod end -64, pre-buried
Tightening latch -65, wall fence connecting bottom board -66, screw rod fixed cylinder -67.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art's every other embodiment obtained belong to what the present invention protected
Range.
It will be understood by those skilled in the art that in exposure of the invention, term " longitudinal direction ", " transverse direction ", "upper",
The orientation of the instructions such as "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" or position are closed
System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, without referring to
Show or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore above-mentioned art
Language is not considered as limiting the invention.
It is understood that term " one " is interpreted as " at least one " or " one or more ", i.e., in one embodiment,
The quantity of one element can be one, and in a further embodiment, the quantity of the element can be it is multiple, term " one " is no
It can be interpreted as the limitation to quantity.
Middle pier anticollision system provided by the invention according to its be applicable in scene it is different and can be divided into isolated flexible protection system,
The various structures such as adhesion type flexible protection system, reinforced guardrail anticollision system and middle pier prefabrication and assembly construction wall anticollision island, point
Not Shi Yongyu rectangle pier, cylinder pier, large scale bridge pier and Pier Column Group anticollision, in addition it is corresponding provide in pier anticollision system apply
Work method.
As shown in Fig. 1 to Fig. 6, the structure of the isolated flexible protection system of an embodiment according to the present invention and corresponding
Construction method is demonstrated.
The structure of the isolated flexible protection system is as follows:
The isolated flexible protection system is arranged on Expressway Central Strip 8, the isolated flexible protection
System includes rectangle pier 1, anti-collision upright post 2, horizontal anti-collision pipe 3, corrugated guardrail 4, horizontal reinforcement channel steel 5, Dogbolt 6, flexibility
Water conservancy diversion anticollison block 7, obstruction block 9, connection bolt 10, the fixed steel band 11 of channel steel, aperture perforation expands area 12, pea gravel concreten binds
13, hole top perforation pressing plate 14, hole top fixation steel plate 15, fixed soil nailing 16, rammed earth 17, column periphery screed 18, high score
Sub- wearing layer 19, composite material energy consumption layer 21, energy-absorbing damping spring 22, energy-absorbing module fixed plate 23, is inhaled self- recoverage elastic layer 20
It can module fixture nut 24.
As shown in Figs 1-4, an at least rectangle pier 1, the anti-collision upright post 2 are set on the Expressway Central Strip 8
1 two sides of rectangle pier are set to, and are inserted into the rectangle pier 1, and the anti-collision upright post 2 is along the direction of traffic of highway
(arrow is signified in figure) is longitudinally arranged.
Specifically, the two sides of the rectangle pier 1 carry out fluting pilot hole, slot is formed, the anti-collision upright post 2 is inserted into institute
It states in slot, the pre-buried depth of the anti-collision upright post 2 is not less than 2m.
The slot interstitial site column periphery screed 18 of the anti-collision upright post 2 and the rectangle pier 1, the slot top
Excavation forms aperture perforation and expands area 12, and the aperture perforation expands the top that area 12 is located at column periphery screed 18；
Hole top fixation steel plate 15 and hole top perforation pressing plate 14 are arranged on the anti-collision upright post 2, and aperture perforation expands area
Pea gravel concreten 13 has been poured in 12, has been bound.
As shown in Fig. 1, Fig. 3 and Fig. 5, horizontal anti-collision pipe 3 is longitudinally arranged on the anti-collision upright post 2, and the anticollision is vertical
Obstruction block 9 is fixed on column 2, specifically, using the fixed obstruction block 9 of connection bolt 10 on the anti-collision upright post 2, described anti-
Corrugated guardrail 4 is set on stop block 9, at this point, the anti-collision upright post 2 and the horizontal anti-collision pipe 3 and 4 common groups of the corrugated guardrail
At isolated anti-collision structure, it is longitudinally arranged along direction of traffic.
As shown in Fig. 1, Fig. 3, Fig. 5, Fig. 6, level is reinforced channel steel 5 and is transversely arranged on anti-collision upright post 2, the level
Reinforce channel steel 5 to be fixed on the anti-collision upright post 2, reinforces fixing energy-absorbing module fixed plate 23 on channel steel 5 in level, specifically
For, the horizontal channel steel 5 of reinforcing is fixed on the anti-collision upright post 2 by the fixed steel band 11 of channel steel, reinforces channel steel in level
On 5 by the fixed energy-absorbing module fixed plate 23 of Dogbolt 6, the energy-absorbing module fixed plate 23 so that with flexible fluid-directing anticollison block
7 link together, thus by the flexible fluid-directing anticollison block 7 setting level reinforce channel steel 5 on, form be arranged along the horizontal it is soft
Property energy-absorbing module.
As shown in fig. 6, the flexible fluid-directing anticollison block 7 is by high molecular abrasion-proof layer 19, self- recoverage elastic layer 20, composite material
Energy consumption layer 21 stacks gradually composition, and more energy-absorbing damping springs 22, the suction is arranged on 7 inner wall of flexible fluid-directing anticollison block
Energy damping spring 22 is interspersed in the composite material energy consumption layer 21, and the suction is arranged outside the flexible fluid-directing anticollison block 7
Energy module fixed plate 23, the energy-absorbing module fixed plate 23 passes through energy-absorbing module fixture nut 24 and the flexible fluid-directing anticollision
Block 7 is together.
Its construction method is as follows:
1) site clearing: closing road, cleans road surface, clear up the grass of 1 bottom installation region of rectangle pier, branch,
The sundries of the influences such as stone installation, organizes appropriate labor service personnel and small appliances, while preparing, having debugged cementation of fissures vehicle and with set pattern
Face groover, it is ensured that equipment runs well.
2) surveying setting-out: Construction control line is drawn by the position of design in 1 surrounding of rectangle pier, excavates groove control line, square
At 1 bottom device installed height mark of shape pier, horizontal location line is released with level, releases horizontal anti-collision pipe 3, corrugated guardrail 4, level
Reinforce the positions control lines such as channel steel 5, flexible fluid-directing anticollison block 7.
3) pier stud two sides are excavated: according to the position of surveying setting-out, using manually carrying out fluting pilot hole to 1 two sides of rectangle pier,
Excavation area should not be too large, and trying not to disturb rectangle pier 1 is advisable, and when excavating to projected depth, cleaning hole bottom flattens and rams
Real hole bottom.
4) anti-collision upright post is installed: ready anti-collision upright post 2 in advance is inserted into the fluting pilot hole that step 3 is formed, is prevented
It hits the pre-buried depth of column 2 and anticollision is stood when really position and depth reach design requirement after the insertion of anti-collision upright post 2 not less than 2m
The slot of 2 surrounding of column is poured, and column periphery screed 18 is formed, and is passed through in addition, forming aperture in the excavation expansion of slot top
It is logical to expand area 12.
5) mounting hole top fixation steel plate: penetrating through expansion area 12 for the aperture and flatten, and hole top fixation steel plate is being prevented for 15 sets
It hits on column 2, then follows closely fixed soil nailing 16 on the fixation steel plate 15 of hole top, so that hole top fixation steel plate 15 is fixed on ground
On.
6) mounting hole top penetrates through pressing plate: after the completion of hole top fixation steel plate 15 is fixed, on hole top, 15 surrounding of fixation steel plate is poured
Pea gravel concreten 13 is built to certain altitude, after the completion of longitudinal 2 surrounding pea gravel concreten 13 of row's anti-collision upright post pours, at it
On put on hole top perforation pressing plate 14, longitudinal row's anti-collision upright post 2 is linked together, then on perforation pressing plate 14 is pushed up in hole after
It is continuous to pour pea gravel concreten 13 and bind.
7) horizontal anti-collision pipe is installed and horizontal reinforces channel steel: the weld horizontal anti-collision pipe 3 along longitudinal direction on anti-collision upright post 2,
Fixed horizontal reinforcement channel steel 5, can choose to put on the fixed steel band 11 of channel steel on anti-collision upright post 2, utilizes slot on anti-collision upright post 2
The fixed horizontal reinforcement channel steel 5 of the fixed steel band 11 of steel, level are reinforced about 5 channel steel and are fixed two layers.
8) flexible fluid-directing anticollison block is installed: reinforcing channel steel 5 in level and Dogbolt 6 is installed, Dogbolt 6 is by energy-absorbing mould
Block fixed plate 23 is fixed on horizontal reinforcement channel steel 5, so that horizontal reinforcement channel steel is transversely arranged in flexible fluid-directing anticollison block 7
On 5, energy-absorbing module fixed plate 23 is fixed on by energy-absorbing module fixture nut 24 outside the flexible fluid-directing anticollison block 7, is passed through
Form the flexible energy-absorbing anti-impact structure being arranged along the horizontal.
9) corrugated guardrail is installed: using the fixed obstruction block 9 of connection bolt 10 on anti-collision upright post 2, along row on obstruction block 9
Corrugated guardrail 4, anti-collision upright post 2 and horizontal anti-collision pipe 3 is arranged in vehicle direction and corrugated guardrail 4 is collectively constituted along direction of traffic longitudinal direction cloth
The isolated anti-collision structure set.
10) rammed earth: after all anti-collision facilities are all installed simultaneously passed examination, plain earthen backfill is carried out, and ram
It is real, by the sundries shipped off-site such as field packaging case, paper cloth and house refuse, guarantee the cleaning, clean and tidy of highway.
As shown in Fig. 7 to Fig. 8, the structure of the adhesion type flexible protection system of an embodiment according to the present invention and corresponding
Construction method is demonstrated, and the adhesion type flexible protection system is suitable for that anticollision system is arranged to cylinder pier.
The structure of the adhesion type flexible protection system is as follows:
The structure of the adhesion type flexible protection system of an embodiment according to the present invention is demonstrated, and the adhesion type flexibility is anti-
Collision body system includes anti-collision upright post 2, horizontal anti-collision pipe 3, corrugated guardrail 4, obstruction block 9, connection bolt 10, rammed earth 17, column
Periphery screed 18, cylinder pier 25, anticollison block protrusion 26, separate type bottom bracket 27, modular anticollison block 28, guide spiro rod 29,
Backfill the outstanding branch galvanized anticorrosive of rubble 30, assembled ring foundation 31, annulated column concrete cushion 32, separate type bracket 33, annular
Steel plate 34, steel plate kind plant hole 35, liana 36.
The cylinder pier 25 is inserted into the rammed earth 17, and 25 surrounding of the cylinder pier is excavated to form a ring-shaped groove,
One layer of annulated column concrete cushion 32, pre-buried assembly on the annulated column concrete cushion 32 are formed on the ring-shaped groove bottom
Formula ring foundation 31, the pre-buried assembled ring foundation 31 are close to the cylinder pier 25, in addition, the pre-buried assembled annular
Rubble 30 is backfilled on basis 31, forms metalling.
In addition, the separate type bottom bracket 27 is embedded in metalling, the guide spiro rod 29 passes through separate type bottom bracket
It 27 and is connect at top with separate type bracket 33, that is, being formed on the separate type bottom bracket 27 may pass through the guide spiro rod
29 hole, the guide spiro rod 29 pass through the separate type bottom bracket 27 and are fixed on the assembled ring foundation 31,
The top of the guide spiro rod 29 connects the separate type bracket 33.
It is noted that separate type up and down bracket (the separate type bottom bracket 27 and the separate type bracket 23
Combination) in be packed into modular anticollison block 28 by polymer composite as energy consumption main body, modular anticollison block protrusion 26 is slotting
Enter in separate type or more bracket, after the confirmation of the indexs such as modular 28 installation site of anticollison block and smoothness is errorless, by leading
Separate type bracket 33 is fastened to screw rod 29.
In addition, the modular anticollison block 28 abuts the cylinder pier 25, the modular anticollison block protrusion 26 is from described
Modular 28 both ends lateral process of anticollison block, and it is inserted into the separate type bottom bracket (27) and the separate type bracket (23).
Further, in the outstanding branch galvanized anticorrosive steel plate 34 of 25 surrounding of cylinder pier setting annular, in the outstanding branch of the annular
Steel plate kind plant hole 35 is circumferentially set on steel plate 34, and the planting plants 36 in the steel plate kind plant hole 35, the plant 36 covers
The modular anticollison block 28, to effectively reduce the appearance that night driving light dazzles the eyes dazzling phenomenon.
The annular outstanding branch steel plate (34) is the outstanding branch galvanized anticorrosive steel plate of annular, and the plant (36) may be selected to be absorbable
The plant of light, in one embodiment of this invention, the plant (36) are selected as liana.
In addition, the anti-collision upright post 2 is inserted in the two lateral edge direction of traffic longitudinally disposed anti-collision upright post 2 of the cylinder pier 25
Enter rammed earth 17, and forms slot in the rammed earth 17, the slot on the anti-collision upright post 2 and the rammed earth 17
Hole surrounding pours screed 18, and horizontal anti-collision pipe 3 is longitudinally arranged on the anti-collision upright post 2, in addition fixed on anti-collision upright post 2
Using the fixed obstruction block 9 of connection bolt 10, waveform is arranged on the obstruction block 9 in some embodiments in obstruction block 9
Guardrail 4, at this point, the anti-collision upright post 2 and the horizontal anti-collision pipe 3 and the corrugated guardrail 4 collectively constitute isolated anticollision knot
Structure.
Its construction method is as follows:
1) site clearing: closing road, cleans road surface, clear up the grass of 25 bottom installation region of cylinder pier, branch,
The sundries of the influences such as stone installation, and ground within the scope of 25 surrounding 40cm of smooth cylinder pier；Organize appropriate labor service personnel and small-sized
Utensil, while preparing, having debugged cementation of fissures vehicle and mating road surface slotting machine, it is ensured that equipment runs well.
2) surveying setting-out: Construction control line is drawn by the position of design in 25 surrounding of cylinder pier, 25 bottom of cylinder pier marks
The position line of the upper and lower bracket control line of separate type and the outstanding branch galvanized anticorrosive steel plate 34 of annular, and mark anti-collision upright post 2 and excavate control
Line processed prepares arrangement and method for construction and work of confiding a technological secret.
3) pier stud surrounding is excavated: according to the position of surveying setting-out, using manually carrying out Ring Cutting to 25 surrounding of cylinder pier,
Excavation area should not be too large, and trying not to disturb cylinder pier 25 is advisable, and when excavating to projected depth, cleaning hole bottom, leveling is simultaneously
Compacting hole bottom, then excavates 25 liang of lateral edge direction of traffic of cylinder pier, and when excavation reaches projected depth, cleaning hole bottom is whole
It puts down and tamps.
4) it fills the assembled ring foundation of band connection screw rod: pour at 25 surrounding of cylinder pier hole bottom that form annulated column mixed
Solidifying soil padding 32, disposes the assembled ring foundation 31 of band connection screw rod, wherein the dress on annulated column concrete cushion 32
It is close to cylinder pier 25 with formula ring foundation 31, guide spiro rod 29 is anchored on assembled ring foundation 31, when assembled annular base
After the pre-buried location confirmation of plinth 31 is errorless, rubble 30 is backfilled, forms metalling, guide spiro rod 29 elevates above the soil.
5) installation guiding ring stand: separate type bottom bracket 27 is embedded in backfill rubble 30,27 elevation of separate type bottom bracket
Position is controlled by the label of 25 surveying setting-out of cylinder pier, guide spiro rod 29 is passed through separate type bottom bracket 27, at the top of it
It is tentatively connect with separate type bracket 33.
6) anticollison block is installed: being filled by polymer composite as the protrusion 26 of the modular anticollison block 28 of energy consumption main body
Entering separate type, bracket (including separate type bracket 33 and separate type bottom bracket 27) is interior up and down, when modular 28 installation position of anticollison block
Set and the confirmation of the indexs such as smoothness it is errorless after, adjust the position of separate type bracket 33, comply with design requirement, it is then sharp
Separate type bracket 33 is fastened with guide spiro rod 29.
7) anti-collision upright post is installed: by the groove for the excavation that ready anti-collision upright post 2 is inserted into advance, anti-collision upright post 2
Pre-buried depth is not less than 2m, when really position and depth reach design requirement after the insertion of anti-collision upright post 2, to 2 surrounding of anti-collision upright post
Slot carry out pouring screed 18.
8) install corrugated guardrail: the weld horizontal anti-collision pipe 3 along longitudinal direction on anti-collision upright post 2 utilizes on anti-collision upright post 2
The fixed obstruction block 9 of bolt 10 is connected, corrugated guardrail 4, anti-collision upright post 2 and horizontal anticollision are set along direction of traffic on obstruction block 9
Pipe 3 and corrugated guardrail 4 are collectively constituted along the longitudinally arranged isolated anti-collision structure of direction of traffic.
9) plant liana: in the outstanding branch galvanized anticorrosive steel plate 34 of 25 surrounding of stub setting annular, the outstanding branch of annular is zinc-plated anti-
Rotten steel plate 34 uses separate structure, the circumferentially welding steel kind plant hole 35 on the outstanding branch galvanized anticorrosive steel plate 34 of annular, in steel
The inner plantation liana 36 of plate kind plant hole 35 plants 36 capping unit formula anticollison block 28 of liana.
10) backfill element soil: after all anti-collision facilities are all installed simultaneously passed examination, plain earthen backfill is carried out, and ram
It is real, by the sundries shipped off-site such as field packaging case, paper cloth and house refuse, guarantee the cleaning, clean and tidy of highway.
As shown in Fig. 9 to Figure 12, the structure of the reinforced anticollision system of an embodiment according to the present invention and corresponding apply
Work method is demonstrated, and the reinforced anticollision system, which is suitable for that the large scale stone pier is arranged, protects.
The structure of the reinforced anticollision system is as follows:
Including corrugated guardrail 4, rammed earth 17, large scale pier stud 37, pilot hole implanted column 38, K shape strengthening support 39, K
It is vertical that shape supports interval crossbeam 40, the prefabricated strip footing 41 of flush type, cast-in-place strip footing crossbeam 42, column assembly screw rod 43, column
Beam 44, antitheft clamp nut 46, splice bolt 47, anti-theft lock nut 48, waveform beam slab 49, crossbeam gasket 50, is prevented washer 45
Stop block 51.
The compacting of large scale pier stud 37 is in the rammed earth 17, in 37 liang of lateral edge driving sides of the large scale pier stud
Groove is excavated to (arrow direction in Fig. 2), the prefabricated strip footing 41 of flush type is set in the trench, the flush type is pre-
Strip footing 41 processed is longitudinally arranged along 37 two sides of large scale pier stud, the preformed hole in the prefabricated strip footing 41 of the flush type
Hole is inserted into for pilot hole implanted column 38.
The prefabricated strip footing 41 of flush type is linked as by cast-in-place strip footing crossbeam 42 between multiple prefabricated strip footings 41
One entirety.After the completion of the prefabricated strip footing 41 of flush type is fixed, the pilot hole implanted column 38 is inserted into the embedment
In the prefabricated strip footing 41 of formula, 38 bottom of pilot hole implanted column is assembled screw rod 43 with column and is fixed, in addition, the pilot hole
Column stringer 44 is welded along direction of traffic in 38 top of implanted column, and the column stringer 44 founds longitudinal row's pilot hole implanted
Column 38 holds together.
In other words, the pilot hole implanted column 38 is inserted into the prefabricated strip footing 41 of the flush type, specifically, institute
Pilot hole implanted column 38 is stated to be fixed in the prefabricated strip footing 41 of the flush type by column assembly screw rod 43, it is described
An entirety is connected to each other to by the strip footing crossbeam 42 between the prefabricated strip footing 41 of flush type, the pilot hole is planted
Enter and weld column stringer 44 along direction of traffic on formula column 38, the column stringer 44 founds the pilot hole implanted of a longitudinal row
Column 38 holds together.
Further, the reinforcement of K shape is transversely set on the pilot hole implanted column 38 of 37 two sides of large scale pier stud
Support 39, the K shape strengthening support 39 connect the pilot hole implanted column 38 of two sides, wherein the K shape strengthening support 39 is in K shape, packet
A cross bar and two inclined brace compositions are included, two braces are separately connected the pilot hole implanted column 38 and the cross bar of two sides, institute
The pilot hole implanted column 38 of the both ends connection two sides of cross bar is stated, setting K shape supports interval crossbeam 40 in the K shape strengthening support 39,
The K shape support interval crossbeam 40 supports the brace at both ends, increases lateral impact resistant capability.
The fixed waveform guardrail 4 on pilot hole implanted column 38, wherein the corrugated guardrail 4 includes waveform beam slab 49,
It is fixed in one embodiment of the invention using anti-theft nut, the anti-theft nut is mainly by washer 45, antitheft clamp nut
46, the part such as splice bolt 47, anti-theft lock nut 48, crossbeam gasket 50, obstruction block 51 is constituted, and is installed in anti-collision structure
Afterwards, plain soil is backfilled to be tamped.
Specifically, the crossbeam gasket 50 is placed in the side of the waveform beam slab 49, in addition, the setting of the washer 45 exists
The washer 45 is arranged in the other side of the waveform beam slab 49, the antitheft clamp nut 46 and the splice bolt 47
The fixed waveform beam slab 49 of side cooperation, the setting of anti-theft lock nut 48 is in the antitheft clamp nut 46 and described
Between splice bolt 47, fixed effect is further functioned as.
In further embodiments, the obstruction block 51 is set between the washer 45 and the waveform beam slab 49.
Its construction method is as follows:
1) site clearing: closing road, cleaning road surface, the grass of cleaning 37 bottom installation region of large scale pier stud,
The sundries of the influences such as branch, stone installation, and ground within the scope of 37 surrounding 40cm of smooth large scale pier stud, organize appropriate labor service people
Member and small appliances, while preparing, having debugged cementation of fissures vehicle and mating road surface slotting machine, it is ensured that equipment runs well.
2) surveying setting-out: drawing Construction control line by the position of design in 37 surrounding of large scale pier stud, marks the reinforcement of K shape
39 design position lines are supportted, prepare arrangement and method for construction and work of confiding a technological secret.
3) pier stud two sides are excavated: according to the position of surveying setting-out, using manually to 37 liang of lateral edge driving sides of large scale pier stud
To excavation groove is carried out, when excavation arrives projected depth, cleaning hole bottom flattens and tamps hole bottom.
4) pre-buried prefabricated strip footing: the prefabricated strip footing 41 of pre-buried flush type in the trench, the prefabricated bar shaped base of flush type
Plinth 41 is longitudinally arranged along 37 two sides of large scale pier stud, reserving hole in the prefabricated strip footing 41 of flush type, vertical for pilot hole implanted
Column 38 is inserted into, after the completion of the prefabricated strip footing 41 of flush type is placed, the opposite prefabricated strip footing 41 of two flush types it
Between cast-in-place strip footing crossbeam 42, the prefabricated strip footing 41 of flush type is held together, enhance repellence.
5) pilot hole implanted column is installed: after the completion of the prefabricated strip footing 41 of flush type is fixed, pilot hole implanted being stood
Column 38 is inserted into the prefabricated strip footing 41 of flush type, and 38 bottom of pilot hole implanted column is assembled screw rod 43 with column and fixed, and is drawn
Column stringer 44 is welded along direction of traffic in implanted column 38 top in hole, and longitudinal row's pilot hole implanted column 38 is linked as one
It is whole.
6) K shape strengthening support is installed: K shape being transversely set on the pilot hole implanted column 38 of 37 two sides of large scale pier stud and is added
Setting K shape supports interval crossbeam 40 in strong support 39, K shape strengthening support 39, increases lateral impact resistant capability.
7) corrugated guardrail is installed: utilizing anti-theft nut fixed waveform guardrail 4, anti-theft nut on pilot hole implanted column 38
Mainly by portions such as washer 45, antitheft clamp nut 46, splice bolt 47, anti-theft lock nut 48, crossbeam gasket 50, obstruction blocks 51
Divide and constitutes.
8) backfill element soil: after all anti-collision facilities are all installed simultaneously passed examination, plain earthen backfill is carried out, and ram
It is real, by the sundries shipped off-site such as field packaging case, paper cloth and house refuse, guarantee the cleaning, clean and tidy of highway.
As shown in Figure 13 to Figure 14, the knot on the middle pier prefabrication and assembly construction entirety wall anticollision island of an embodiment according to the present invention
Structure and corresponding construction method are demonstrated, and the middle pier prefabrication and assembly construction entirety wall anticollision island is suitable for that Pier Column Group is arranged anti-
Shield.
The structure on the middle pier prefabrication and assembly construction entirety wall anticollision island is as follows:
Chamber 55, greening grass 56, precast concrete wall guardrail 57, wall are filled out including Pier Column Group 52, kerbstone 54, planting soil
Formula guardrail transverse prestress is to pull rod 58, wall fence breaking joint 59, wall fence reinforcing beam 60, reinforcing beam connecting screw 61, pier
All sandy gravel stratums 62, concrete cushion 63, pre-buried prestressing force rod end 64, pre-buried tightening latch 65, wall fence connecting bottom board 66, screw rod are solid
The parts such as safety barrel 67.
Median strip is excavated in the two sides of the Pier Column Group 52 and excavates groove 53, thus the two of the Pier Column Group 52
Side forms the median strip and excavates groove 53, excavates casting concrete bed course 63 on groove 53 in the median strip,
The pre-buried prestressing force rod end 64 with pre-buried tightening latch 65 on the concrete cushion 63, specifically, the prestressing force rod end 64
The upper pre-buried tightening latch 65 of anchoring.By the backfill of pier week sandy gravel stratum 62 on prestressing force rod end 64, put down on the pier week sandy gravel stratum 62
Wall fence connecting bottom board 66 is spread, precast concrete wall guardrail 57 is arranged on the wall fence connecting bottom board 66, wherein
Pre-buried tightening latch 65 is inserted into precast concrete wall guardrail 57 after passing through wall fence connecting bottom board 66.
Specifically, 57 lower part of precast concrete wall guardrail covers in wall fence connecting bottom board 66, the wall
Multiple precast concrete wall guardrails 57 are connected in a row, sound construction, good integrity, impact resistance energy by formula guardrail connecting bottom board 66
Power is strong.
Wall fence reinforcing beam 60 is set at the back of the precast concrete wall guardrail 57, wherein the wall fence
The corresponding Pier Column Group 52 of reinforcing beam 60 is arranged, and an at least reinforcing beam connecting screw 61 passes through wall fence reinforcing beam 60 and connects institute
Precast concrete wall guardrail 57 is stated, precast concrete wall guardrail 57 is linked to be entirety, strengthens adjacent precast concrete
The connectivity of wall fence.
In addition, as shown in figure 3, screw rod fixed cylinder 67, institute is arranged in adjacent 57 intersection of precast concrete wall guardrail
It states screw rod fixed cylinder 67 and is socketed the beam connecting screw 61, so that adjacent beam connecting screw 61 is nested together.
In opposite two 57 tops of precast concrete wall guardrail setting wall fence transverse prestress to pull rod 58,
The wall fence transverse prestress draws 58 pairs of pull rod the precast concrete wall guardrail 57 of two sides, to prevent precast concrete
57 deviation of wall fence.
It is noted that disconnected at interval of the wall fence of one end distance setting together in precast concrete wall guardrail 57
Seam 59 specifically, 2 centimetres wide of wall fence breaking joint 59 is arranged at interval of 4~6 meters, and fills out pitch in centre.
Planting soil is set on the outside of the precast concrete wall guardrail 57 and fills out chamber 55, is filled out outside chamber 55 in the planting soil
Kerbstone 54 is set, fills out kind value greening grass 56 in chamber 55 in the planting soil, greenbelt is formed, to reduce in driving conditions
Aestheticly tired, reduce accident rate.
Its construction method is as follows:
1) site clearing: closing road, cleans road surface, clear up the grass of 52 bottom installation region of Pier Column Group, branch,
The sundries of the influences such as stone installation, and ground within the scope of 52 surrounding 40cm of smooth Pier Column Group；Organize appropriate labor service personnel and small-sized
Utensil, while preparing, having debugged cementation of fissures vehicle and mating road surface slotting machine, it is ensured that equipment runs well.
2) surveying setting-out: Construction control line is drawn by the position of design in 52 two sides of Pier Column Group, median strip is marked and opens
53 position line of digging groove, the laid-on moulding of precast concrete wall guardrail 57 prepare arrangement and method for construction and work of confiding a technological secret.
3) it excavates median strip and excavates groove: according to the position of surveying setting-out, using manually opening 52 two sides of Pier Column Group
It digs median strip and excavates groove 53, excavation area should not be too large, and when excavation arrives projected depth, cleaning hole bottom flattens and rams
Real hole bottom.
4) casting concrete bed course 63 on groove 53, concrete cushion pre-buried prestressing force rod end: are excavated in median strip
Pre-buried prestressing force rod end 64 on 63 anchors pre-buried tightening latch 65 on prestressing force rod end 64, when 64 location confirmation of prestressing force rod end is correct
Afterwards, by the backfill of pier week sandy gravel stratum 62 on prestressing force rod end 64.
5) wall fence connecting bottom board is installed: after the backfill of sandy gravel stratum 62 reaches design thickness in pier week, flattening pier week gravel
Layer 62, in the wall fence connecting bottom board 66 that tiles above, wall fence connecting bottom board 66 passes through pre-buried tightening latch 65.
6) precast concrete wall guardrail is installed: pre-buried tightening latch 65 being inserted into precast concrete wall guardrail 57 and is reserved
In hole, 57 lower part of precast concrete wall guardrail covers on wall fence connecting bottom board 66, and wall fence connecting bottom board 66 will
Multiple precast concrete wall guardrails 57 connect in a row.
7) install reinforcing beam connecting screw: wall fence reinforcing beam 60 is arranged in 57 back of precast concrete wall guardrail, will
Reinforcing beam connecting screw 61 passes through wall fence reinforcing beam 60, and adjacent multiple precast concrete wall guardrails 57 are connected together,
Screw rod fixed cylinder 67 is set in contiguous prefabricated 57 intersection of concrete wall type guard rail, thus by adjacent 61 sets of beam connecting screw
Together.
8) installation wall fence transverse prestress is to pull rod: after multiple precast concrete wall guardrails 57 connect together,
In opposite two 57 tops of precast concrete wall guardrail setting wall fence transverse prestress to pull rod 58, prevent prefabricated mixed
Solidifying soil 57 deviation of wall fence.
9) wall fence breaking joint is set: in 57 installation process of precast concrete wall guardrail, every one 2 of 4~6 meters of settings
Centimetre wide wall fence breaking joint 59, fills out pitch among wall fence breaking joint 59.
10) greening grass: after all anti-collision facilities are all installed simultaneously passed examination, plain earthen backfill is carried out, and ram
It is real, kerbstone 54 is set, and the planting soil in 54 inside of kerbstone fills out kind value greening grass 56 in chamber 55, forms greenbelt.
The present invention is not limited to above-mentioned preferred forms, anyone can show that other are various under the inspiration of the present invention
The product of form, however, make any variation in its shape or structure, it is all that there is skill identical or similar to the present application
Art scheme, is within the scope of the present invention.
Claims (10)
1. pier anticollision system construction method in is suitable for that anticollision system is arranged to rectangle pier (1), which is characterized in that including following
Step:
1) site clearing: the sundries of cleaning rectangle pier (1) bottom installation region；
2) it surveying setting-out: draws lines in rectangle pier (1) surrounding by the position of design；
3) pier stud two sides are excavated: according to the position of surveying setting-out, manually being excavated to rectangle pier (1) two sides, formed fluting and draw
Hole；
4) anti-collision upright post is installed: anti-collision upright post (2) is inserted into the fluting pilot hole, in the position of anti-collision upright post (2) insertion
When reaching design requirement with depth, the slot of the anti-collision upright post (2) surrounding is poured, formation pours screed (18),
It is excavated on the fluting pilot hole top, forms aperture perforation and expand area (12)；
5) mounting hole top fixation steel plate: the aperture is penetrated through and expands area (12) leveling, hole top fixation steel plate (15) is covered in institute
It states on anti-collision upright post (2), then follows closely fixed soil nailing (16) on hole top fixation steel plate (15), hole top fixation steel plate (15) is fixed
On ground；
6) mounting hole top penetrates through pressing plate: after the completion of hole top fixation steel plate (15) is fixed, pushing up fixation steel plate in the hole
(15) surrounding pours pea gravel concreten (13) to certain altitude, and perforation pressing plate in hole top is then put on the anti-collision upright post (2)
(14), longitudinal row's anti-collision upright post (2) is linked together, then continues to pour on perforation pressing plate (14) is pushed up in the hole thin
Stone concrete (13) binds；
7) horizontal anti-collision pipe is installed and horizontal reinforces channel steel: the weld horizontal anti-collision pipe along longitudinal direction on the anti-collision upright post (2)
(3), fixed horizontal reinforcement channel steel (5) on the anti-collision upright post (2)；
8) flexible fluid-directing anticollison block is installed: being installed fixed energy-absorbing module fixed plate (23) in described horizontal reinforce channel steel (5), it is fixed
Flexible fluid-directing anticollison block (7) is external to the energy-absorbing module fixed plate (23)；
9) corrugated guardrail is installed: fixing obstruction block (9) on the anti-collision upright post (2), along driving side on the obstruction block (9)
To setting corrugated guardrail (4)；
10) rammed earth: after all anti-collision facilities are all installed simultaneously passed examination, plain earthen backfill is carried out, and tamp.
2. middle pier anticollision system construction method according to claim 1, which is characterized in that
In the step 9), the obstruction block (9) are fixed on the anti-collision upright post (2) using connection bolt (10)；
In the step 7), channel steel is put on the anti-collision upright post (2) and fixes steel band (11), utilize the fixed steel band of channel steel
(11) fixed horizontal reinforcement channel steel (5), level are reinforced channel steel (5) and are fixed two layers up and down；
In the step 8), it is described it is horizontal reinforce that Dogbolt (6) are installed on channel steel (5), the Dogbolt (6) is by institute
It states energy-absorbing module fixed plate (23) to be fixed on horizontal reinforcement channel steel (5), pass through outside the flexible fluid-directing anticollison block (7)
The fixed energy-absorbing module fixed plate (23) of energy-absorbing module fixture nut (24).
3. middle pier anticollision system construction method according to claim 1, which is characterized in that the flexible fluid-directing anticollison block
(7) it is stacked gradually and is constituted by high molecular abrasion-proof layer (19), self- recoverage elastic layer (20), composite material energy consumption layer (21), described
More energy-absorbing damping springs (22) are set on flexible fluid-directing anticollison block (7) inner wall, and the energy-absorbing damping spring (22) is interspersed in institute
It states in composite material energy consumption layer (21), the energy-absorbing module fixed plate (23) passes through described in energy-absorbing module fixture nut (24) connection
Flexible fluid-directing anticollison block (7).
4. pier anticollision system construction method in is suitable for that anticollision system is arranged to cylinder pier (25), which is characterized in that including following
Step:
1) site clearing: the sundries of cleaning cylinder pier (25) bottom；
2) it surveying setting-out: draws lines in the cylinder pier (25) surrounding by the position of design；
3) pier stud surrounding is excavated: according to the position of surveying setting-out, manually carrying out Ring Cutting, shape to the cylinder pier (25) surrounding
At hole；
4) it fills the assembled ring foundation of band connection screw rod: being poured at the hole bottom of the cylinder pier (25) surrounding, formed
Annulated column concrete cushion (32) disposes the assembled ring foundation of band connection screw rod in the annulated column concrete cushion (32) above
(31), guide spiro rod (29) is anchored on the assembled ring foundation (31), when the assembled ring foundation (31) is pre-buried
It after location confirmation is errorless, backfills rubble (30), forms metalling, guide spiro rod (29) elevates above the soil；
5) installation guiding ring stand: separate type bottom bracket (27) is embedded in the metalling, separate type bottom bracket (27) elevation
Position is controlled by the label of the cylinder pier (25) surveying setting-out, and the guide spiro rod (29) are passed through separate type bottom bracket
(27), the top of the guide spiro rod (29) is tentatively connect with separate type bracket (33)；
6) anticollison block is installed: modular anticollison block (28) are packed into the separate type bottom bracket (27) and the separate type bracket
(33) between, after the confirmation of the index of modular anticollison block (28) installation site and smoothness is errorless, the separation is adjusted
The position of formula bracket (33), complies with design requirement, fastens separate type bracket (33) using guide spiro rod (29)；
7) anti-collision upright post is installed: in the groove for the excavation that anti-collision upright post (2) is inserted into, in the anti-collision upright post (2) insertion
When position and depth reach design requirement, the slot of the anti-collision upright post (2) surrounding is poured, forms column periphery mortar
Layer (18)；
8) corrugated guardrail is installed: weld horizontal anti-collision pipe (3) along longitudinal direction on the anti-collision upright post (2), in the anti-collision upright post
(2) obstruction block (9) are fixed on, and corrugated guardrail (4) are set along direction of traffic on the obstruction block (9)；
9) liana is planted:, the annular outstanding branch steel plate outstanding branch steel plate (34) in the cylinder pier (25) surrounding setting annular
(34) circumferentially welding steel kind plant hole (35) on, in steel plate kind plant hole (35) inner planting plants (36)；
10) backfill element soil: after all anti-collision facilities are all installed simultaneously passed examination, plain earthen backfill is carried out, and tamp.
5. middle pier anticollision system construction method according to claim 4, which is characterized in that
In the step 9), the annular outstanding branch steel plate (34) is the outstanding branch galvanized anticorrosive steel plate of annular, the plant (36)
For liana, the plant (36) covers the modular anticollison block (28)；
In the step 8), the fixed obstruction block (9) of connection bolt (10) is utilized on the anti-collision upright post (2)；
In the step 6), the modular anticollison block (28) by polymer composite as energy consumption main body, at least one
Modular anticollison block raised (26) is inserted into the separate type subiculum from modular anticollison block (28) the both ends lateral process respectively
Frame (27) and the separate type bracket (23).
6. pier anticollision system construction method in is suitable for that anticollision system is arranged to large scale pier stud (37), which is characterized in that including
Following steps:
1) site clearing: the sundries of cleaning large scale pier stud (37) bottom；
2) it surveying setting-out: draws lines in large scale pier stud (37) surrounding by the position of design；
3) pier stud surrounding is excavated: according to the position of surveying setting-out, manually being carried out annular to large scale pier stud (37) surrounding and is opened
It digs, forms groove；
4) the prefabricated strip footing of pre-buried flush type: the prefabricated strip footing of pre-buried flush type (41) in the trench, wherein the embedment
The prefabricated strip footing of formula (41) is longitudinally arranged along large scale pier stud (37) two sides, in the prefabricated strip footing of the flush type
(41) after the completion of placing, the cast-in-place strip footing crossbeam (42) between two opposite prefabricated strip footings of flush type (41)；
5) pilot hole implanted column is installed: after the completion of the prefabricated strip footing of the flush type (41) is fixed, by pilot hole implanted
Column (38) is inserted into the prefabricated strip footing of the flush type (41) and fixed, pilot hole implanted column (38) the top edge
Direction of traffic welds column stringer (44), connects the pilot hole implanted column (38) of a longitudinal row；
6) K shape strengthening support is installed: K is transversely set on the pilot hole implanted column (38) of large scale pier stud (37) two sides
Shape strengthening support (39), setting K shape supports interval crossbeam (40) on the K shape strengthening support (39)；
7) corrugated guardrail: the fixed waveform guardrail (4) on the pilot hole implanted column (38) is installed；
8) backfill element soil: after all anti-collision facilities are all installed simultaneously passed examination, plain earthen backfill is carried out, and tamp.
7. middle pier anticollision system construction method according to claim 6, which is characterized in that
In the step 5), the pilot hole implanted column (38) is fixed on the embedment by column assembly screw rod (43)
In the prefabricated strip footing of formula (41)；
In the step 6), the K shape strengthening support (39) is in K shape, including a cross bar and two inclined braces form, and two
Brace is separately connected the pilot hole implanted column (38) of two sides and the cross bar, the both ends of the cross bar connect the institute of two sides
State pilot hole implanted column (38), the brace at K shape support interval crossbeam (40) support both ends；
In the step 7), the corrugated guardrail (4) is fixed by anti-theft nut on the pilot hole implanted column (38),
The anti-theft nut includes washer (45), antitheft clamp nut (46), splice bolt (47), anti-theft lock nut (48) and cross
Beam pad piece (50), the corrugated guardrail (4) include waveform beam slab (49),
The crossbeam gasket (50) is placed in the side of the waveform beam slab (49), and the washer (45) is arranged in the waveform beam slab
(49) the other side, the antitheft clamp nut (46) and the splice bolt (47) setting are matched in the side of the washer (45)
The fixed waveform beam slab (49) is closed, the anti-theft lock nut (48) is arranged in the antitheft clamp nut (46) and the spelling
Between connecting bolt (47)；Alternatively, the anti-theft nut further comprises obstruction block (50), wherein the obstruction block (50) setting exists
Between the washer (45) and the waveform beam slab (49).
8. pier anticollision system construction method in is suitable for that anticollision system is arranged to Pier Column Group (52), which is characterized in that including following
Step:
1) site clearing: the sundries of cleaning Pier Column Group (52) bottom；
2) it surveying setting-out: draws lines in the Pier Column Group (52) two sides by the position of design；
3) it excavates median strip and excavates groove: according to the position of surveying setting-out, manually the Pier Column Group (52) two sides being excavated
Excavate groove (53) in median strip；
4) pre-buried prestressing force rod end: excavating casting concrete bed course (63) on groove (53) in the median strip, described mixed
Pre-buried prestressing force rod end (64) on soil padding (63) is coagulated, pre-buried tightening latch (65) are anchored on the prestressing force rod end (64), when described
After prestressing force rod end (64) location confirmation is correct, by pier week sandy gravel stratum (62) backfill on the prestressing force rod end (64)；
5) wall fence connecting bottom board is installed: after the pier week sandy gravel stratum (62) backfill reaches design thickness, flattening the pier
All sandy gravel stratums (62) are tiled wall fence connecting bottom board (66) above, and the wall fence connecting bottom board (66) passes through described
Pre-buried tightening latch (65)；
6) precast concrete wall guardrail is installed: the pre-buried tightening latch (65) is inserted into precast concrete wall guardrail (57)
In reserving hole, wherein the wall fence connecting bottom board (66) connects multiple precast concrete wall guardrails (57)；
7) install reinforcing beam connecting screw: wall fence reinforcing beam (60) are arranged in the precast concrete wall guardrail (57), will
Reinforcing beam connecting screw (61) passes through the wall fence reinforcing beam (60), by adjacent multiple precast concrete wall guardrails (57)
It connects together；
8) installation wall fence transverse prestress is to pull rod: after multiple precast concrete wall guardrails (57) connect together,
Opposite two precast concrete wall guardrail (57) tops setting wall fence transverse prestress is to pull rod (58)；
9) wall fence breaking joint is arranged: in precast concrete wall guardrail (57) installation process, interval setting wall is protected
Column breaking joint (59) fills out pitch among the wall fence breaking joint (59)；
10) greening grass: after all anti-collision facilities are all installed simultaneously passed examination, carrying out plain earthen backfill, and tamp,
Planting soil fills out kind of value greening grass (56) in chamber (55).
9. middle pier anticollision system construction method according to claim 8, which is characterized in that
In the step 6), precast concrete wall guardrail (57) lower part is socketed in the wall fence connecting bottom board
(66) in；
In the step 7), screw rod fixed cylinder (67) are set in adjacent precast concrete wall guardrail (57) intersection,
The screw rod fixed cylinder (67) is socketed the beam connecting screw (61), connects adjacent beam connecting screw (61)；
In the step 10), chamber (55) is filled out in the planting soil, kerbstone (54) is set outside.
Pier anticollision system in 10., which is characterized in that according to claim 1 to 9 any middle pier anticollision system construction method constructions
It obtains.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010340018.1A CN111472303B (en) | 2018-12-07 | 2018-12-07 | Middle pier anti-collision system and construction method |
| CN202010340089.1A CN111472304B (en) | 2018-12-07 | 2018-12-07 | Middle pier anti-collision system and construction method |
| CN202010340634.7A CN111472305B (en) | 2018-12-07 | 2018-12-07 | Middle pier anti-collision system and construction method |
| CN201811494561.6A CN109577172B (en) | 2018-12-07 | 2018-12-07 | Middle pier anti-collision system and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811494561.6A CN109577172B (en) | 2018-12-07 | 2018-12-07 | Middle pier anti-collision system and construction method |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010340089.1A Division CN111472304B (en) | 2018-12-07 | 2018-12-07 | Middle pier anti-collision system and construction method |
| CN202010340018.1A Division CN111472303B (en) | 2018-12-07 | 2018-12-07 | Middle pier anti-collision system and construction method |
| CN202010340634.7A Division CN111472305B (en) | 2018-12-07 | 2018-12-07 | Middle pier anti-collision system and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109577172A true CN109577172A (en) | 2019-04-05 |
| CN109577172B CN109577172B (en) | 2020-08-04 |
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| CN202010340089.1A Active CN111472304B (en) | 2018-12-07 | 2018-12-07 | Middle pier anti-collision system and construction method |
| CN202010340018.1A Active CN111472303B (en) | 2018-12-07 | 2018-12-07 | Middle pier anti-collision system and construction method |
| CN201811494561.6A Active CN109577172B (en) | 2018-12-07 | 2018-12-07 | Middle pier anti-collision system and construction method |
| CN202010340634.7A Active CN111472305B (en) | 2018-12-07 | 2018-12-07 | Middle pier anti-collision system and construction method |
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| CN202010340089.1A Active CN111472304B (en) | 2018-12-07 | 2018-12-07 | Middle pier anti-collision system and construction method |
| CN202010340018.1A Active CN111472303B (en) | 2018-12-07 | 2018-12-07 | Middle pier anti-collision system and construction method |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010340634.7A Active CN111472305B (en) | 2018-12-07 | 2018-12-07 | Middle pier anti-collision system and construction method |
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| CN112663541B (en) * | 2020-12-22 | 2022-10-21 | 浙江交工集团股份有限公司 | Installation and construction method for ecological prefabricated guardrail of central separation zone |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109577172B (en) | 2020-08-04 |
| CN111472305A (en) | 2020-07-31 |
| CN111472304A (en) | 2020-07-31 |
| CN111472305B (en) | 2022-04-01 |
| CN111472303A (en) | 2020-07-31 |
| CN111472304B (en) | 2021-09-07 |
| CN111472303B (en) | 2021-08-20 |
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