CN109914470A - A kind of road shoulder barricade and its construction method - Google Patents
A kind of road shoulder barricade and its construction method Download PDFInfo
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- CN109914470A CN109914470A CN201910310900.9A CN201910310900A CN109914470A CN 109914470 A CN109914470 A CN 109914470A CN 201910310900 A CN201910310900 A CN 201910310900A CN 109914470 A CN109914470 A CN 109914470A
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- barricade
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Abstract
The invention discloses a kind of road shoulder barricade and its construction methods, belong to technical field of road engineering.The present invention includes covering system, barricade wall and barricade bottom plate, the upper surface of the covering system is provided with pavement structure, parapet is arranged in the outside of the pavement structure, the bottom of barricade wall is connected with barricade bottom plate, the barricade wall is made of barricade ribs and barricade support plate, is provided with ribbed stiffener between ground cover supporting beam, barricade ribs and barricade bottom plate.It is the configuration of the present invention is simple, safe and reliable, it is low in cost, the recurvation square soil body principle of balance lateral pressure for making full use of the road surface load of ground cover or more to be formed, to reduce barrier wall structure thickness and rigidity, it therefore in narrow place and is that there is great advantage on soft soil foundation, practicability is stronger, while cast-in-place concrete structure can be used in the present invention can also take precast concrete, is conducive to the rapid construction in scene.
Description
Technical field
The present invention relates to technical field of road engineering, more specifically to a kind of road shoulder barricade and its construction method.
Background technique
For the current urban development situation in China, urban construction density is larger, to urban road build bring it is more not
Just, road shoulder barricade is in urban road, and especially Abutment is even more common, reduces the influence to surrounding enviroment to the greatest extent and reduces soil
Side excavates and often constrains the key factor of dams setting, therefore barricade engineering is still extremely challenging, a high risk, height
The project of difficulty.There are commonly Gravity Retaining Wall, pH-static method, stake plate type retaining wall, Cantilever Retaining Walls, counterfort for road shoulder barricade
Formula barricade, anchor rod type barricade etc..Gravity Retaining Wall and pH-static method are mainly that wall own wt carrys out soil body principle of balance lateral pressure,
To which quantity of masonry is larger；Peg board formula barricade relies primarily on the passive earth pressure soil body principle of balance lateral pressure of the inflection point soil body below,
Therefore stake is long, and pile quality control is tighter, and engineering cost is higher；Cantilevered and counterfort wall rely on soil body weight itself
Soil body principle of balance lateral pressure, but it is relatively deep in soft clay area embedded depth of foundation；Anchor rod type barricade is generally used for mountain area, in soft clay area
Often using less.
Summary of the invention
1. technical problems to be solved by the inivention
In view of the defects existing in the prior art with deficiency, the present invention provides a kind of road shoulder barricade and its construction methods, originally
Inventive structure is simple, securely and reliably, low in cost, largely reduces the requirement to foundation bearing capacity, and practicability is stronger, together
When approximate rigid structure can be formed with the soil body by horizontal reinforcement, deflection will be reduced largely.
2. technical solution
In order to achieve the above objectives, technical solution provided by the invention are as follows:
The invention discloses a kind of road shoulder barricade, including covering system, barricade wall and barricade bottom plate, the cover board systems
System is by ground cover and ground cover support beam group at the upper surface of covering system is provided with pavement structure, the road surface knot
Parapet is arranged in the outside of structure, and parapet is fixedly connected with covering system, and the bottom of barricade wall is connected with barricade bottom plate, described
Barricade wall be made of barricade ribs and barricade support plate, ground cover supporting beam, barricade ribs and barricade bottom plate it
Between be provided with ribbed stiffener.
Further, the parapet, covering system, barricade wall are reinforced concrete structure, using cast-in-place side
Formula or precast construction mode.
Further, the barricade ribs and ground cover supporting beam are main bearing member, barricade support plate and
The load of place part is transferred to barricade ribs and ground cover supporting beam by ground cover, adjacent barricade ribs it
Between, the horizontal space between adjacent ground cover supporting beam be 2m~3m.
Further, the ribbed stiffener is separately positioned on barricade ribs and ground cover supporting beam and barricade supports
Corner intersection between rib and barricade bottom plate, the horizontal space between adjacent ribbed stiffener are 2m~3m.
Further, the covering system and barricade wall use rib of slab structure, when using cast-in-place structural, barricade branch
Fagging and ground cover are located at barricade ribs and ground cover supporting beam side, when using precast construction, barricade branch
Fagging is inserted into the reserved groove among barricade ribs, and ground cover is inserted into the reserved groove among ground cover supporting beam
It is interior.
Further, the barricade wall construction is synchronous with backfilling of earthwork carries out, and carries out horizontal reinforcement processing to the soil body
When, rib tape is connect with barricade ribs or barricade support plate.
Further, anti-filter is set after being provided with drain hole and wall according to the actual situation in the plate face of the barricade support plate
It applies.
Further, the barricade wall is set as skewed, is conducive to soil body principle of balance lateral pressure bring moment of flexure, inclination
Angle is 5 °~15 °.
Further, the length of the ground cover is 2m~4m, and is less than or equal to the height of barricade wall.
A kind of construction method of road shoulder barricade, the steps include:
Step 1: in the construction time, guarantee connecting to water and electric power supplies and roads and levelling of the land first, it is ensured that electricity consumption, water safety；
Step 2: surveying setting-out: the coordinate basis point provided according to designing unit carries out setting-out according to design drawing
And the work of elevation pilot measurement, and carry out permanent mark and temporary sign；
Step 3: excavate foundation trench: foundation trench cutting depth is greater than 1.0m, meets the basic demand of related specifications, while substrate
Soil layer meets the primary demand of works stress and sedimentation；
Step 4: it pours barricade bottom plate: before barricade bottom slab concreting, carrying out bed course and pour, it is ensured that the construction of barricade bottom plate is made
Industry environment, after reinforcing bar binding, form work engineering and acceptance of concealed work pass through, carry out barricade bottom plate pours operation, keeps off simultaneously
Wall bottom plate reserves bar planting, and barricade bottom plate is subsequently through bar planting and barricade wall connecting；
Step 5: it pours barricade wall: for cast-in-place structural, carrying out formwork, and guarantee that reinforcement welding or bolt connect
It connects after intensity meets code requirement, carries out concreting, it is earlier to carry out barricade ribs and barricade bottom plate for precast construction
Between after consolidation connection, then carry out the insertion operation of barricade support plate, barricade wall pours height, and with the earthwork to fill holding synchronous
It carrying out, the height of barricade wall is higher than earthwork height of embankment 1.0m or more, when the soil body carries out the processing of horizontal reinforcement, horizontal bar band
It is connect with barricade support plate or barricade ribs, the tilt angle of barricade wall is carried out according to design drawing tilt angle, is put more energy into
The construction of rib and barricade wall carries out simultaneously；
Step 6: it pours covering system: for cast-in-place structural, carrying out formwork, and guarantee that reinforcement welding or bolt connect
It connects after intensity meets code requirement, carries out concreting；It is earlier to carry out ground cover supporting beam and barricade for precast construction
Between ribs after consolidation connection, then the insertion operation of ground cover being carried out, the construction of ribbed stiffener and covering system carries out simultaneously,
Parapet and covering system synchronous construction simultaneously；
Step 7: be laid with pavement structure: pavement structure carries out making operation according to related specifications.
3. beneficial effect
Using technical solution provided by the invention, compared with prior art, have the following beneficial effects:
It is the configuration of the present invention is simple, safe and reliable, it is low in cost, the soil body itself gravity after wall is made full use of, and utilize ground
The recurvation square soil body principle of balance lateral pressure that road surface load more than cover board is formed utilizes bottom plate to reduce the pressure to foundation soil
Above section forms approximate rigid structure, largely reduces the requirement to foundation bearing capacity, therefore in narrow place and be
On soft soil foundation have great advantage, practicability is stronger, at the same the present invention can be used cast-in-place concrete structure can also take it is pre-
Concrete structure processed is conducive to the rapid construction in scene, in addition, barricade wall is suitably in after facing upward tiltedly, to be more advantageous to soil body principle of balance side
Pressure bring moment of flexure；After the soil body is using the processing of horizontal reinforcement after to wall, more largely lift structure body and the soil body are constituted
The intensity of rigid body, non-deformability are stronger.
Detailed description of the invention
Fig. 1 is overall structure figure of the invention；
Fig. 2 is covering system rib of slab formula cast-in-place structural schematic diagram of the present invention；
Fig. 3 is covering system rib of slab formula precast construction schematic diagram of the present invention.
In figure: 1, parapet；2, pavement structure；3, ground cover；4, ground cover supporting beam；5, ribbed stiffener；6, barricade
Ribs；7, barricade support plate；8, barricade bottom plate；9, covering system；10, barricade wall.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples:
Embodiment 1
It will be seen from figure 1 that a kind of road shoulder barricade of the present embodiment, including covering system 9, barricade wall 10 and barricade bottom
Plate 8, covering system 9 are made of ground cover 3 and ground cover supporting beam 4, and the upper surface of covering system 9 is provided with pavement structure
2, parapet 1 is arranged in the outside of pavement structure 2, and parapet 1 is fixedly connected with covering system 9, and the height of parapet 1 is according to pedestrian
Security protection requires setting, and parapet 1, covering system 9, barricade wall 10 are reinforced concrete structure, using cast-in-place mode
Or precast construction mode, parapet 1 are fixedly connected with covering system 9, the bottom of barricade wall 10 is connected with barricade bottom plate 8, gear
Wall wall 10 is made of barricade ribs 6 and barricade support plate 7, and drain hole, drain hole are provided in the plate face of barricade support plate 7
It can be arranged according to actual needs, row infiltration system setting of row's infiltration system with normal barricade, ground cover supporting beam 4, barricade branch
Ribbed stiffener 5 is provided between stake rib 6 and barricade bottom plate 8.
Barricade ribs 6 and ground cover supporting beam 4 are main bearing member, barricade support plate 7 and ground cover 3 by institute
Load in part is transferred to barricade ribs 6 and ground cover supporting beam 4, between adjacent barricade ribs 6, adjacent ground
Horizontal space between surface cover supporting beam 4 is 2m~3m, and ribbed stiffener 5 is separately positioned on barricade ribs 6 and ground cover
Corner intersection between supporting beam 4 and barricade ribs 6 and barricade bottom plate 8, the horizontal space between adjacent ribbed stiffener 5
For 2m~3m, thus largely cost saving cost.
Covering system 9 and barricade wall 10 use rib of slab structure, figure it is seen that when using cast-in-place structural, barricade
Support plate 7 and ground cover 3 are located at 4 side of barricade ribs 6 and ground cover supporting beam, construct convenient for form work engineering,
From figure 3, it can be seen that barricade support plate 7 is inserted into the reserved groove among barricade ribs 6, ground when using precast construction
Surface cover 3 is inserted into the reserved groove among ground cover supporting beam 4, and the construction of barricade wall 10 is synchronous with backfilling of earthwork to be carried out,
When carrying out the processing of horizontal reinforcement to the soil body, rib tape is connect with barricade ribs 6 or barricade support plate 7, thus the soil body and this knot
The rigid body intensity being configured to is higher, and non-deformability is stronger, and barricade wall 10 is set as skewed, is conducive to soil body principle of balance lateral pressure
Bring moment of flexure, tilt angle are 5 °~15 °, and the length of ground cover 3 is 2m~4m, and is less than or equal to barricade wall 10
Highly.
A kind of construction method of road shoulder barricade, the steps include:
Step 1: in the construction time, guarantee connecting to water and electric power supplies and roads and levelling of the land first, it is ensured that electricity consumption, water safety；
Step 2: surveying setting-out: the coordinate basis point provided according to designing unit carries out setting-out according to design drawing
And the work of elevation pilot measurement, and carry out permanent mark and temporary sign；
Step 3: excavate foundation trench: foundation trench cutting depth is greater than 1.0m, meets the basic demand of related specifications, while substrate
Soil layer meets the primary demand of works stress and sedimentation；
Step 4: it pours barricade bottom plate 8: before barricade bottom plate 8 pours, carrying out bed course and pour, it is ensured that the construction of barricade bottom plate 8
Operating environment, after reinforcing bar binding, form work engineering and acceptance of concealed work pass through, carry out barricade bottom plate 8 pours operation, simultaneously
Barricade bottom plate 8 reserves bar planting, and barricade bottom plate 8 is fixedly connected subsequently through bar planting with the guarantee of barricade wall 10；
Step 5: it pours barricade wall 10: for cast-in-place structural, carrying out formwork, and guarantee reinforcement welding or bolt
After bonding strength meets code requirement, concreting is carried out, it is earlier to carry out barricade ribs 6 and barricade for precast construction
Between bottom plate 8 after consolidation connection, then the insertion operation of barricade support plate 7 is carried out, barricade wall 10 pours height and fills with the earthwork
It keeps synchronous to carry out, the height of barricade wall 10 is higher than earthwork height of embankment 1.0m or more, when the soil body carries out horizontal reinforcement processing
When, horizontal bar band is connect with barricade support plate 7 or barricade ribs 6, and the tilt angle of barricade wall 10 is inclined according to design drawing
Rake angle carries out, and ribbed stiffener 5 and the construction of barricade wall 10 carry out simultaneously；
Step 6: it pours covering system 9: for cast-in-place structural, carrying out formwork, and guarantee that reinforcement welding or bolt connect
It connects after intensity meets code requirement, carries out concreting；It is earlier to carry out ground cover supporting beam 4 and gear for precast construction
Between wall ribs 6 after consolidation connection, then the insertion operation of ground cover 3 is carried out, ribbed stiffener 5 and the construction of covering system 9 are same
Shi Jinhang, while parapet 1 and 9 synchronous construction of covering system；
Step 7: be laid with pavement structure 2: pavement structure 2 carries out making operation according to related specifications, if permeable road is arranged
Face should be arranged drain hole and loaded filter in wall, guarantee soil strength after wall.
It is the configuration of the present invention is simple, safe and reliable, it is low in cost, the soil body itself gravity after wall is made full use of, and utilize cover board
The recurvation square soil body principle of balance lateral pressure that the road surface load of 9 or more system is formed, to reduce the pressure to foundation soil, barricade bottom plate
8 above sections form approximate rigid structure, largely reduce the requirement to foundation bearing capacity, therefore in narrow place and be
On soft soil foundation have great advantage, practicability is stronger, at the same the present invention can be used cast-in-place concrete structure can also take it is pre-
Concrete structure processed is conducive to the rapid construction in scene.
Schematically the present invention and embodiments thereof are described above, description is not limiting, institute in attached drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited to this.So if the common skill of this field
Art personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution
Similar frame mode and embodiment, are within the scope of protection of the invention.
Claims (10)
1. a kind of road shoulder barricade, including covering system (9), barricade wall (10) and barricade bottom plate (8), it is characterised in that: described
Covering system (9) be made of ground cover (3) and ground cover supporting beam (4), the upper surface of covering system (9) is provided with road
Parapet (1) is arranged in the outside of face structure (2), the pavement structure (2), parapet (1) and covering system (9) fixed company
It connects, the bottom of barricade wall (10) is connected with barricade bottom plate (8), and the barricade wall (10) is by barricade ribs (6) and gear
Wall support plate (7) composition, is provided with ribbed stiffener between ground cover supporting beam (4), barricade ribs (6) and barricade bottom plate (8)
(5)。
2. a kind of road shoulder barricade according to claim 1, it is characterised in that: the parapet (1), covering system (9),
Barricade wall (10) is reinforced concrete structure, using cast-in-place mode or precast construction mode.
3. a kind of road shoulder barricade according to claim 1, it is characterised in that: the barricade ribs (6) and ground cover
Plate supporting beam (4) is main bearing member, and the load of place part is transferred to gear by barricade support plate (7) and ground cover (3)
Wall ribs (6) and ground cover supporting beam (4), between adjacent barricade ribs (6), adjacent ground cover supporting beam
(4) horizontal space between is 2m~3m.
4. a kind of road shoulder barricade according to claim 1, it is characterised in that: the ribbed stiffener (5) is separately positioned on gear
Corner intersection between wall ribs (6) and ground cover supporting beam (4) and barricade ribs (6) and barricade bottom plate (8),
Horizontal space between adjacent ribbed stiffener (5) is 2m~3m.
5. a kind of road shoulder barricade according to claim 1, it is characterised in that: the covering system (9) and barricade wall
(10) rib of slab structure is used, when using cast-in-place structural, barricade support plate (7) and ground cover (3) are located at barricade support
Rib (6) and ground cover supporting beam (4) side, when using precast construction, barricade support plate (7) is inserted into barricade ribs (6)
In intermediate reserved groove, ground cover (3) is inserted into ground cover supporting beam (4) intermediate reserved groove.
6. a kind of road shoulder barricade according to claim 1, it is characterised in that: barricade wall (10) construction and the earthwork
Backfill, which synchronizes, to be carried out, and when carrying out the processing of horizontal reinforcement to the soil body, rib tape and barricade ribs (6) or barricade support plate (7) are connected
It connects.
7. a kind of road shoulder barricade according to claim 1, it is characterised in that: in the plate face of the barricade support plate (7)
It is provided with anti-filter facility after drain hole and wall according to the actual situation.
8. a kind of road shoulder barricade according to claim 1, it is characterised in that: the barricade wall (10) is set as tilting
Shape, is conducive to soil body principle of balance lateral pressure bring moment of flexure, and tilt angle is 5 °~15 °.
9. a kind of road shoulder barricade according to claim 1, it is characterised in that: the length of the ground cover (3) is 2m
~4m, and it is less than or equal to the height of barricade wall (10).
10. a kind of construction method of road shoulder barricade, it is characterised in that: the steps include:
Step 1: in the construction time, guarantee connecting to water and electric power supplies and roads and levelling of the land first, it is ensured that electricity consumption, water safety；
Step 2: surveying setting-out: the coordinate basis point provided according to designing unit carries out setting-out and height according to design drawing
The work of journey pilot measurement, and carry out permanent mark and temporary sign；
Step 3: excavate foundation trench: foundation trench cutting depth is greater than 1.0m, meets the basic demand of related specifications, while foundation bed
Meet the primary demand of works stress and sedimentation；
Step 4: it pours barricade bottom plate (8): before barricade bottom plate (8) pours, carrying out bed course and pour, it is ensured that barricade bottom plate (8) are applied
Work operating environment, after reinforcing bar binding, form work engineering and acceptance of concealed work pass through, carry out barricade bottom plate (8) pours operation,
Barricade bottom plate (8) reserves bar planting simultaneously, and barricade bottom plate (8) guarantees to be fixedly connected subsequently through bar planting with barricade wall (10)；
Step 5: barricade wall (10) are poured: for cast-in-place structural, carries out formwork, and guarantee that reinforcement welding or bolt connect
It connects after intensity meets code requirement, carries out concreting, it is earlier to carry out barricade ribs (6) and barricade for precast construction
Between bottom plate (8) after consolidation connection, then the insertion operation of barricade support plate (7) is carried out, barricade wall (10) pours height and soil
Side, which is filled, keeps synchronous progress, and the height of barricade wall (10) is higher than earthwork height of embankment 1.0m or more, when the soil body carries out level
When reinforcement processing, horizontal bar band is connect with barricade support plate (7) or barricade ribs (6), the tilt angle of barricade wall (10)
It is carried out according to design drawing tilt angle, ribbed stiffener (5) and the construction of barricade wall (10) carry out simultaneously；
Step 6: covering system (9) are poured: for cast-in-place structural, carries out formwork, and guarantees reinforcement welding or be bolted
After intensity meets code requirement, concreting is carried out；It is earlier to carry out ground cover supporting beam (4) and gear for precast construction
Between wall ribs (6) after consolidation connection, then the insertion operation of ground cover (3) is carried out, ribbed stiffener (5) and covering system (9)
Construction carry out simultaneously, while parapet (1) and covering system (9) synchronous construction；
Step 7: be laid with pavement structure (2): pavement structure (2) carries out making operation according to related specifications.
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| CN201910310900.9A CN109914470A (en) | 2019-04-18 | 2019-04-18 | A kind of road shoulder barricade and its construction method |
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| CN110185061A (en) * | 2019-07-04 | 2019-08-30 | 河南聚誉帆工程技术咨询有限公司 | A kind of assembled integral underground space retaining wall and construction method |
| CN110453723A (en) * | 2019-09-04 | 2019-11-15 | 临沂会宝岭铁矿有限公司 | A kind of barricade and construction method being built in soft substrate |
| CN112199743A (en) * | 2020-07-29 | 2021-01-08 | 长江勘测规划设计研究有限责任公司 | Road shoulder retaining wall assembly building method and three-dimensional parametric arrangement method |
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| CN112199743A (en) * | 2020-07-29 | 2021-01-08 | 长江勘测规划设计研究有限责任公司 | Road shoulder retaining wall assembly building method and three-dimensional parametric arrangement method |
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