CN105986580B - A kind of subway station basement construction method for supporting - Google Patents
A kind of subway station basement construction method for supporting Download PDFInfo
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- CN105986580B CN105986580B CN201610288427.5A CN201610288427A CN105986580B CN 105986580 B CN105986580 B CN 105986580B CN 201610288427 A CN201610288427 A CN 201610288427A CN 105986580 B CN105986580 B CN 105986580B
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- 238000010276 construction Methods 0.000 title claims abstract description 11
- 150000001875 compounds Chemical class 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000004567 concrete Substances 0.000 claims abstract description 17
- 239000011083 cement mortar Substances 0.000 claims abstract description 14
- 238000002347 injection Methods 0.000 claims abstract description 11
- 239000007924 injection Substances 0.000 claims abstract description 11
- 238000007569 slipcasting Methods 0.000 claims abstract description 11
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 8
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 8
- 241001330002 Bambuseae Species 0.000 claims abstract description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 8
- 239000011425 bamboo Substances 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 8
- 239000011378 shotcrete Substances 0.000 claims abstract description 7
- 239000004033 plastic Substances 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 36
- 239000010959 steel Substances 0.000 claims description 36
- 239000002689 soil Substances 0.000 claims description 21
- 239000004744 fabric Substances 0.000 claims description 16
- 239000002002 slurry Substances 0.000 claims description 13
- 238000005553 drilling Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 238000011065 in-situ storage Methods 0.000 claims description 6
- 238000001746 injection moulding Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000004927 clay Substances 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims description 3
- 235000019353 potassium silicate Nutrition 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 3
- 239000004568 cement Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims description 2
- 230000015271 coagulation Effects 0.000 claims 1
- 238000005345 coagulation Methods 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 238000013019 agitation Methods 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000003592 biomimetic effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000036244 malformation Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/04—Making large underground spaces, e.g. for underground plants, e.g. stations of underground railways; Construction or layout thereof
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
- E02D19/20—Restraining of underground water by damming or interrupting the passage of underground water by displacing the water, e.g. by compressed air
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Paleontology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Sustainable Development (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Piles And Underground Anchors (AREA)
- Revetment (AREA)
Abstract
The invention discloses a kind of basement method for protecting support of subway station, it is characterized in that electric osmose well is arranged in basement supporting outer edge, electric osmose well is evenly arranged along basement supporting outer edge, plastic covering film above topsoil between slope protection pile and electric osmose well；Using slope mode twice, first time slope is ground surface to 2/3 basement depth position for basement supporting, and first time slope position is arranged high-strength compound lath, short lower length on high-strength compound lath；Second of slope is 2/3 basement depth position to basement bottom, and anchor pole is arranged in second of slope position；Anchor pole is angled downward from top to bottom gradually increase, and face layer uses high-strength compound lath thin bamboo strip net, facing concrete to use gunite concrete；Pressure reduction well is set in the middle part of basement, and pressure reduction well setting distance is every 12~15m.After the completion of carrying out injection reaming using water during anchor bolt construction, high-pressure rotary injection is carried out with cement mortar immediately, the cement mortar ratio of mud is 1.0~1.5, and high-pressure slip-casting pressure is 0.4~0.6MPa.
Description
Technical field
The present invention relates to a kind of basement supporting, more particularly to a kind of subway station basement method for protecting support.
Background technology
With Chinese society expanding economy, the construction of subway station will certainly cause the disturbance of soil layer around.Work as surrounding
The displacement of soil layer has exceeded compass, with regard to the safety of the buildings or structures around entail dangers to.When basement excavation and precipitation, by
It changes in the stress condition of the soil body, causes basement surrounding soil to be subjected to displacement and corresponding ground deformation, while underground
Room support system is also generated internal force and deformation by the effect of lateral Water And Earth Pressures.If in addition, inside basement in setting
Support, can not only increase construction cost, and very big inconvenience can be brought to excavation.If reaching peace by the method for slope
The effect of full supporting is the problem of engineers and technicians is considered.
Invention content
The technical problem to be solved by the present invention is to provide a kind of basement method for protecting support of subway station, solve existing technology
It is insufficient.
Electric osmose well is arranged in basement supporting outer edge in the present invention, and electric osmose well is evenly arranged along basement supporting outer edge,
It is 2~2.5m that spacing, which is arranged, in electric osmose well, and electric osmose well is 5~7m with a distance from slope protection pile, and well-point pipe is buried in electric osmose well as cloudy
Pole, slope protection pile use cast-in-situ bored pile, and it is 1.1~1.5m that spacing, which is arranged, in cast-in-situ bored pile, and the reinforcing bar of slope protection pile is as anode, shield
Plastic covering film above topsoil, reduces power consumption, increases electric osmose effect between slope stake and electric osmose well.Basement supporting uses two
Secondary slope mode, first time slope are ground surface to 2/3 basement depth position, and the slope gradient is 55 °~70 °, is put for the first time
High-strength compound lath is arranged in slope position, short lower length on high-strength compound lath, to adapt to the changing rule of native active earth pressure.It is high-strength
Composite slats make circle, and round diameter is 8~12mm, and outer ring is arranged the rib of evagination, makes screw-shaped structure.High-strength compound
Core bore is arranged in lath, and core bore is located at high-strength compound lath center, a diameter of 6~8mm of core bore, and grouting pressure is 0.3~0.5MPa,
In the construction process, high-strength compound lath core bore can eject slurries, so that weak soil is generated splitting, in high-strength compound lath top shape
At the biomimetic features of similar fishbone, larger anchor force can be provided in Soft Soil Layer.Meanwhile in high-strength compound lath end core bore
Slip casing by pressure is carried out, one of soil cement choked flow curtain is formed, blocks the outer deep layer mud of basement to underground indoor moveable.With certainly
The feature that steady ability is high, deformation is relatively small.
Second of slope is 2/3 basement depth position to basement bottom, and the slope gradient is 30 °~50 °.It puts for the second time
Anchor pole is arranged in slope position.Anchor pole is angled downward from top to bottom gradually increase, and inclination angle is 15 °~20 °, by upper short lower long arrangement, anchor
Pole length is 0.6~1.2 times of basement cutting depth, and entire section is made to constitute up-narrow and down-wide dykes and dams shape, to resist outside soil
The increased soil pressure continuous from top to bottom that body transmits.
Anchor pole is gradually crept into blanking movement, motion amplitude 50cm up and down repeatedly using examination molding pore-creating in the present invention,
Speed is 20~30 times/min, and jetting pressure will reach 0.3MPa.Spiral steel blade is installed at drill bit position, and spiral steel blade is by electricity
Dynamic switch control, spiral steel blade is strutted in umbrella when motor switch is opened.Spiral steel blade waits for drill bit to the 1/3 of predetermined length
Position, the spiral steel blade for opening drill bit surrounding carry out reaming, and drill bit spiral steel blade expands the position anchor pole at major diameter
Cone；Spiral steel blade waits for drill bit to 2/3 position of predetermined length, and the spiral steel blade for opening drill bit surrounding carries out reaming, bores
The position anchor pole is expanded the cone at major diameter by head spiral steel blade；Spiral steel blade waits for that drill bit to predetermined length position, is opened
The spiral steel blade of drill bit surrounding carries out reaming, which is expanded the cone at major diameter by drill bit spiral steel blade.Due to
Different soil properties, slip casting difficulty is different, therefore takes different technologies scheme.Different counter bore diameters, reaming are taken for different soil properties
Diameter is controlled by spiral steel blade, and according to a large amount of engineering practices, for silt, spiral steel length of blade is 0.4m；For viscous
Soil, spiral steel length of blade are 0.5m；For muck soil, spiral steel length of blade is 0.6m.
After the completion of carrying out injection reaming using water during anchor bolt construction, high-pressure rotary injection is carried out with cement mortar immediately,
The cement mortar ratio of mud is 1.0~1.5, and cement mortar is formed by spray beam and mortar agitation is got up to be allowed to mix with cement mortar, makes
Mortar becomes cement mortar aggregate, improves the intensity of slurry.High-pressure slip-casting pressure is 0.4~0.6MPa, to ensure that cement mortar can be complete
Mud is cemented out entirely, ensures the intensity of enlarged footing anchoring body.
Anchor pole of the present invention is bigger than common bolt withdrawal resistance by 30%~40% under equal conditions.
Face layer uses high-strength compound lath thin bamboo strip net, facing concrete to use gunite concrete, sprayed concrete strength C30
Or C30 or more.Traditional bar-mat reinforcement, basement support pile is replaced to connect with high-strength compound lath using high-strength compound lath thin bamboo strip net
Forming composite structure together can make basement obtain reliable supporting.High-strength compound lath thin bamboo strip net concrete formation is using spray
Former, each horizontally disposed 3 fan nozzles in injection molding device both sides are penetrated, nozzle is with the adjacent concrete surface distance being washed
6~8cm, injection pressure are 0.3~0.5MPa,
Pressure reduction well is set in the middle part of basement, and pressure reduction well setting distance is every 12~15m.
Filter pipe, filter pipe is arranged at artesian water position using pipe of concrete retaining wall in a diameter of 600~700mm of pressure reduction well
Outside winds nylon gauze, 2~4mm peastone filtrates is filled, using clay ball as sealing material.
Pressure reduction well is closed before basement bottom board concreting, it is mixed that the above positions 2m of pressure reduction well bottom hole absolute altitude pour into ungauged regions
Solidifying soil；Expanded rubber water-stop drilling rod is utilized after designed elevation, 24 hours and connects anti-silk between water-stop and drilling rod
It is proposed out of well after drilling rod is dismantled；Tripping in immersible pump extracts water more than water-stop out；Pressure reduction well is monitored with water-level observation meter
Interior SEA LEVEL VARIATION proposes suction pump, well casing is blocked from designed elevation, with steel plate handle after confirming that pressure reduction well is shut completely
Well head is welded, and ensures that pressure reduction well well head commissure is impermeable.
If there is artesian water in place, waterglass progress secondary grouting is injected in enlarged footing.It takes in anchor beam lever front end
Setting fills slurry sealing cloth bag method and carries out closure artesian water, sealing cloth bag is tied in body of rod free segment, away from aperture 50cm.Only starch
There are Grouting Pipe in cloth bag, wait for immediately only slurry cloth bag being carried out filling slurry after the completion of slip casting, benefit slurry, to the progress of slip casting nozzle after being full of
It blocks, blocks aperture using the cement mortar cloth bag of expansion, achieve the purpose that prevent artesian water excessive.
The present invention forms composite foundation by high-strength compound lath and soil, and top is rubbed by high-strength compound lath with the soil body
The counter-pressure that resistance provides keeps the stabilization of wall.Due to lower part soil active earth pressure meeting bigger, existed according to this loading characteristic
The slope gradient of soil is slowed down in lower part, and forms Complex subsurface room supporting using hole reaming of anchor rod.
Description of the drawings
Fig. 1 basement supporting construction schematic diagrames.
Attached drawing mark：1, slope protection pile, 2, electric osmose well, 3, high-strength compound lath, 4, anchor pole, 5, pressure reduction well.
Specific implementation mode
Below in conjunction with attached drawing, the present invention will be described in detail.
The present embodiment is in basement supporting outer edge setting electric osmose well 2, and electric osmose well 2 is along the uniform cloth of basement supporting outer edge
It sets, it is 2.2m that spacing, which is arranged, in electric osmose well 2, and electric osmose well 2 is 6m with a distance from slope protection pile 1, and well-point pipe is buried in electric osmose well 2 as cloudy
Pole, slope protection pile 1 use cast-in-situ bored pile, and it is 1.2m that spacing, which is arranged, in cast-in-situ bored pile, and the reinforcing bar of slope protection pile 1 is as anode, bank protection
Plastic covering film above topsoil between stake 1 and electric osmose well 2.Basement supporting is using slope mode twice, first time slope
For ground surface to 2/3 basement depth position, the slope gradient is 55 °~70 °, and high-strength compound lath is arranged in first time slope position
3, short lower length on high-strength compound lath 3.High-strength compound lath 3 makes circle, round diameter 10mm, and the rib of evagination is arranged in outer ring
Item makes screw-shaped structure.Core bore is arranged in high-strength compound lath 3, and core bore is located at 3 center of high-strength compound lath, and core bore is a diameter of
7mm, grouting pressure are 0.3~0.5MPa.
Second of slope is 2/3 basement depth position to basement bottom, and the slope gradient is 35 °.Second of slope portion
Position setting anchor pole 4.Anchor pole 4 is angled downward from top to bottom gradually increase, and inclination angle is 18 °, by upper short lower long arrangement, 4 length of anchor pole
For 0.7 times of basement cutting depth.
Anchor pole 4 is gradually crept into blanking movement, motion amplitude 50cm up and down repeatedly using examination molding pore-creating, and speed is
20~30 times/min, jetting pressure will reach 0.3MPa.Spiral steel blade is installed at drill bit position, and spiral steel blade is by motor switch
Control, spiral steel blade is strutted in umbrella when motor switch is opened.Spiral steel blade waits for drill bit to 1/3 position of predetermined length,
The spiral steel blade for opening drill bit surrounding carries out reaming, which is expanded the cone at major diameter by drill bit spiral steel blade；
Spiral steel blade waits for drill bit to 2/3 position of predetermined length, and the spiral steel blade for opening drill bit surrounding carries out reaming, drill bit spiral
The position anchor pole 4 is expanded the cone at major diameter by steel blade；Spiral steel blade waits for that drill bit to predetermined length position, opens drill bit four
The spiral steel blade in week carries out reaming, which is expanded the cone at major diameter by drill bit spiral steel blade.Spiral steel blade
Length selects 0.5m.
After the completion of carrying out injection reaming using water in 4 work progress of anchor pole, high-pressure rotary injection is carried out with cement mortar immediately,
The cement mortar ratio of mud is 1.2, and high-pressure slip-casting pressure is 0.4~0.6MPa.
Face layer is using gunite concrete, sprayed concrete strength using high-strength compound lath thin bamboo strip net, facing concrete
C30.High-strength compound lath thin bamboo strip net concrete formation uses injection molding device, each horizontally disposed 3 sectors in injection molding device both sides
Nozzle, nozzle are 7cm with the adjacent concrete surface distance being washed, and injection pressure is 0.3~0.5Mpa.
Pressure reduction well 5 is set in the middle part of basement, and the setting distance of pressure reduction well 5 is every 12~15m.
Filter pipe, filter pipe outside is arranged at artesian water position using pipe of concrete retaining wall in 5 a diameter of 650mm of pressure reduction well
Nylon gauze is wound, 2~4mm peastone filtrates are filled, using clay ball as sealing material.
Pressure reduction well 5 is closed before basement bottom board concreting, the above positions 2m of 5 bottom hole absolute altitude of pressure reduction well pour into ungauged regions
Concrete；Expanded rubber water-stop drilling rod is anti-using being connected between water-stop and drilling rod after designed elevation, 24 hours
Silk proposes after drilling rod is dismantled out of well；Tripping in immersible pump extracts water more than water-stop out；It is monitored and is depressured with water-level observation meter
SEA LEVEL VARIATION in well 5 proposes suction pump, well casing is blocked from designed elevation, uses steel after confirming that pressure reduction well 5 is shut completely
Plate is welded well head, and ensures that 5 well head commissure of pressure reduction well is impermeable.
If there is artesian water in place, waterglass progress secondary grouting is injected in enlarged footing.It takes in anchor beam lever front end
Setting fills slurry sealing cloth bag method and carries out closure artesian water, sealing cloth bag is tied in body of rod free segment, away from aperture 50cm.Only starch
There are Grouting Pipe in cloth bag, wait for immediately only slurry cloth bag being carried out filling slurry after the completion of slip casting, benefit slurry, to the progress of slip casting nozzle after being full of
It blocks, blocks aperture using the cement mortar cloth bag of expansion, achieve the purpose that prevent artesian water excessive.
The present embodiment monitoring finds that maximum horizontal displacement outward is 10mm, and maximum inwardly horizontal displacement is 15mm.Observation knot
Fruit illustrates that supporting construction of the present invention is safe and reliable, malformation is small, and allomeric function is preferable within the scope of security control.
Claims (1)
1. a kind of subway station basement construction method for supporting, it is characterized in that electric osmose well, electricity is arranged in basement supporting outer edge
Seepage well is evenly arranged along basement supporting outer edge, and it is 2~2.5m that spacing, which is arranged, in electric osmose well, and electric osmose well is with a distance from slope protection pile
5~7m buries well-point pipe in electric osmose well and cathode, slope protection pile is used as to use cast-in-situ bored pile, and it is 1.1 that spacing, which is arranged, in cast-in-situ bored pile
~1.5m, the reinforcing bar of slope protection pile is as anode, plastic covering film above topsoil between slope protection pile and electric osmose well；Basement branch
For shield using slope mode twice, first time slope is ground surface to 2/3 basement depth position, and the slope gradient is 55 °~70 °,
High-strength compound lath is arranged in first time slope position, short lower length on high-strength compound lath；Second of slope is 2/3 basement depth
Position to basement bottom, the slope gradient are 30 °~50 °；Anchor pole is arranged in second of slope position；Anchor pole be angled downward from upper and
Lower gradually to increase, inclination angle is 15 °~20 °, arranges that rock-bolt length is 0.6~1.2 times of basement cutting depth by upper short lower length；
Face layer uses high-strength compound lath thin bamboo strip net, and it is C30 or more that facing concrete, which uses gunite concrete, sprayed concrete strength,；Ground
Pressure reduction well is set in the middle part of lower room, and pressure reduction well setting distance is 12~15m；
Different anchoring-bolt broaching diameters, anchoring-bolt broaching diameter are taken to be controlled by spiral steel blade different soil properties, for silt,
Spiral steel length of blade is 0.4m；For clay, spiral steel length of blade is 0.5m；For muck soil, spiral steel blade is long
Degree is 0.6m；
After the completion of carrying out injection reaming using water during anchor bolt construction, high-pressure rotary injection, cement are carried out with cement mortar immediately
Pulp-water gray scale is 1.0~1.5, and high-pressure slip-casting pressure is 0.4~0.6MPa；
High-strength compound lath thin bamboo strip net concrete formation uses injection molding device, each horizontally disposed 3 sectors in injection molding device both sides
Nozzle, nozzle are 6~8cm with the adjacent concrete surface distance being washed, and injection pressure is 0.3~0.5MPa；
Pressure reduction well is closed before basement bottom board concreting, the above positions 2m of pressure reduction well bottom hole absolute altitude pour into ungauged regions coagulation
Soil；Expanded rubber water-stop drilling rod is connected after designed elevation, 24 hours using between expanded rubber water-stop and drilling rod
Reversed silk proposes after drilling rod is dismantled out of well；Tripping in immersible pump extracts water more than expanded rubber water-stop out；It is seen with water level
It surveys SEA LEVEL VARIATION in meter monitoring pressure reduction well and suction pump is proposed, well casing from designed elevation after confirming that pressure reduction well is shut completely
It blocks, well head is welded with steel plate, and ensure that pressure reduction well well head commissure is impermeable；
If there is artesian water in place, waterglass progress secondary grouting is injected in enlarged footing；It takes and is arranged in anchor beam lever front end
It fills slurry sealing cloth bag method and carries out closure artesian water, sealing cloth bag is tied in body of rod free segment, away from aperture 50cm；Sealing cloth bag
It is interior there are Grouting Pipe, wait for slip casting, mend slurry after the completion of sealing cloth bag is carried out filling slurry immediately, slip casting nozzle is sealed after being full of
It is stifled, block aperture using the cement mortar cloth bag of expansion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610288427.5A CN105986580B (en) | 2015-04-29 | 2015-04-29 | A kind of subway station basement construction method for supporting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510234313.8A CN104831737B (en) | 2015-04-29 | 2015-04-29 | Construction method of basement support for subway station |
| CN201610288427.5A CN105986580B (en) | 2015-04-29 | 2015-04-29 | A kind of subway station basement construction method for supporting |
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| CN201510234313.8A Division CN104831737B (en) | 2015-04-29 | 2015-04-29 | Construction method of basement support for subway station |
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| CN105986580B true CN105986580B (en) | 2018-09-04 |
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| CN201610288398.2A Expired - Fee Related CN105971008B (en) | 2015-04-29 | 2015-04-29 | The basement method for protecting support of subway station |
| CN201510234313.8A Expired - Fee Related CN104831737B (en) | 2015-04-29 | 2015-04-29 | Construction method of basement support for subway station |
| CN201610288400.6A Active CN105926671B (en) | 2015-04-29 | 2015-04-29 | The basement supporting construction technology of subway station |
| CN201610288380.2A Active CN105926670B (en) | 2015-04-29 | 2015-04-29 | The basement construction method of subway station |
| CN201610288427.5A Expired - Fee Related CN105986580B (en) | 2015-04-29 | 2015-04-29 | A kind of subway station basement construction method for supporting |
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| CN201610288398.2A Expired - Fee Related CN105971008B (en) | 2015-04-29 | 2015-04-29 | The basement method for protecting support of subway station |
| CN201510234313.8A Expired - Fee Related CN104831737B (en) | 2015-04-29 | 2015-04-29 | Construction method of basement support for subway station |
| CN201610288400.6A Active CN105926671B (en) | 2015-04-29 | 2015-04-29 | The basement supporting construction technology of subway station |
| CN201610288380.2A Active CN105926670B (en) | 2015-04-29 | 2015-04-29 | The basement construction method of subway station |
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| CN107476335B (en) * | 2017-08-10 | 2023-08-22 | 中国电建集团贵阳勘测设计研究院有限公司 | Be used for rock mass piping lane structure |
| CN108411912A (en) * | 2018-05-03 | 2018-08-17 | 大连理工大学 | A kind of convenient method of bolt stress slip casting |
| CN110374093B (en) * | 2019-07-16 | 2021-07-06 | 深圳市市政工程总公司 | Construction method of cast-in-situ bored pile for high-pressure-bearing fractured water stratum |
| CN114319389B (en) * | 2021-12-21 | 2023-04-18 | 中铁建设集团(杭州)建设有限公司 | Construction method for urban comprehensive pipe gallery foundation pit support |
| CN114837206B (en) * | 2022-05-07 | 2024-02-06 | 广西欣港交通投资有限公司 | Active waterproof system for anchorage foundation enclosure structure of suspension bridge and construction method |
| CN117286870A (en) * | 2023-11-23 | 2023-12-26 | 中国建筑第六工程局有限公司 | Novel intelligent grouting reinforcement method for processing complex geology |
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| DE19522150C2 (en) * | 1995-06-19 | 2000-06-15 | Bauer Spezialtiefbau | Procedure for creating a construction pit with a groundwater barrier |
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| CN104131566B (en) * | 2014-05-27 | 2016-08-24 | 中国建筑第四工程局有限公司 | A kind of basement is without the construction method of horizontal support foundation ditch |
-
2015
- 2015-04-29 CN CN201610288398.2A patent/CN105971008B/en not_active Expired - Fee Related
- 2015-04-29 CN CN201510234313.8A patent/CN104831737B/en not_active Expired - Fee Related
- 2015-04-29 CN CN201610288400.6A patent/CN105926671B/en active Active
- 2015-04-29 CN CN201610288380.2A patent/CN105926670B/en active Active
- 2015-04-29 CN CN201610288427.5A patent/CN105986580B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105926671A (en) | 2016-09-07 |
| CN105926671B (en) | 2018-02-27 |
| CN105971008A (en) | 2016-09-28 |
| CN105971008B (en) | 2018-09-04 |
| CN105926670B (en) | 2018-03-02 |
| CN104831737B (en) | 2017-01-18 |
| CN104831737A (en) | 2015-08-12 |
| CN105986580A (en) | 2016-10-05 |
| CN105926670A (en) | 2016-09-07 |
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Address after: No. 16, Tongjiang Avenue, Chengguan Town, Nandan county, Hechi City, Guangxi Zhuang Autonomous Region Patentee after: Kong Zhijian Address before: 325000, Wenzhou, Zhejiang Ouhai District, Jingshan Hill street, Jing Chang Group 12, Room 608 Patentee before: Kong Zhijian |
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