CN204456182U - Vertical anchorage pile retaining wall - Google Patents
Vertical anchorage pile retaining wall Download PDFInfo
- Publication number
- CN204456182U CN204456182U CN201520117855.2U CN201520117855U CN204456182U CN 204456182 U CN204456182 U CN 204456182U CN 201520117855 U CN201520117855 U CN 201520117855U CN 204456182 U CN204456182 U CN 204456182U
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- CN
- China
- Prior art keywords
- antislide pile
- pile
- anchor cable
- vertical
- retaining wall
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000010276 construction Methods 0.000 claims abstract description 13
- 239000011435 rock Substances 0.000 claims abstract description 10
- 230000008878 coupling Effects 0.000 claims abstract description 7
- 238000010168 coupling process Methods 0.000 claims abstract description 7
- 238000005859 coupling reaction Methods 0.000 claims abstract description 7
- 239000002689 soil Substances 0.000 claims abstract description 7
- 210000000481 breast Anatomy 0.000 claims abstract description 6
- 238000004873 anchoring Methods 0.000 claims abstract description 5
- 239000011150 reinforced concrete Substances 0.000 claims description 3
- 238000009412 basement excavation Methods 0.000 description 4
- 239000004567 concrete Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 241000270609 Caretta caretta Species 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Abstract
The utility model discloses a kind of vertical anchorage pile retaining wall, comprise antislide pile, in embedding slope, antislide pile bottom bed rock layer or soil layer, form fixed section; Stake top, adjacent antislide pile top coupling beam links together, and adjacent antislide pile section breast boards between stake in place between ground and top connects, and forms the soil-baffling structure closed.Be provided with the bracket forming the arm of force in each antislide pile inside top, the bracket other end arranges vertical anchor cable, and anchor cable lower end anchors in stable rock stratum and forms anchorage cable anchoring section.The utility model relies on vertical anchor cable Shi Hanzhang, can reduce antislide pile overturning moment, significantly can reduce construction costs, reduces the dependence to horizontal anchor structure simultaneously, reduces the requirement of antislide pile fixed section.
Description
Technical field
The utility model relates to the excavation of foundation pit of complicated urban environment, slope project props up gear, specifically refers to a kind of vertical anchorage pile retaining wall, belongs to civil engineering, geological hazard control engineering field.
Background technology
In the excavation of foundation pit, slope project of complicated urban environment, often need to build various retaining wall.Wherein antislide pile retaining wall structure system has the features such as a gear power is large, little to environmental disruption, construction technology is ripe, is in the status of particular importance in slope project.The slope project many for environment restriction, complex geologic conditions, slope height are large, great majority are all adopt antislide pile retaining structure system.With regard to slope project, antislide pile retaining structure system has become the main support system of high, large, difficult side slope.
Although antislide pile retaining structure system uses in a large number, become more classical soil-baffling structure system, still have a lot of problem to have to be solved, wherein maximum shortcoming is exactly that cost is high.The major structural types of antislide pile retaining structure system has cantilever pile retaining wall and anchorage pile retaining wall, and foundation ditch props up the door font double-row pile retaining wall keeping off employing in recent years also has some to apply, but the theory of computation needs perfect, and its cost is also quite high.The generation of rotary pile-digging machine tool, have some to improve to reduction antislide pile construction risk, but be only applicable to circular stake, and circular stake anti-bending strength is low, the benefit obtained is little, and cost is also unable to come down.
Utility model content
For prior art above shortcomings, the purpose of this utility model is to provide a kind of and can reduces antislide pile overturning moment thus significantly reduce the vertical anchorage pile retaining wall of construction costs.
The technical solution of the utility model is achieved in that
Vertical anchorage pile retaining wall, comprises the antislide pile arranged at a certain distance, in embedding slope, antislide pile bottom bed rock layer or soil layer, forms fixed section; Stake top, adjacent antislide pile top coupling beam links together, and adjacent antislide pile section breast boards between stake in place between ground and top connects, and forms the soil-baffling structure closed.Be provided with the bracket forming the arm of force in each antislide pile inside top, the bracket other end arranges vertical anchor cable, and anchor cable lower end anchors in stable rock stratum and forms anchorage cable anchoring section.
Described bracket is reinforced concrete structure or trussed construction.
Compared to existing technology, the utility model has following beneficial effect:
1, significantly construction costs is reduced.The cost of slope project is directly relevant with the overturning moment in side slope hillside fields, and the utility model structure relies on vertical anchor cable Shi Hanzhang, can reduce antislide pile overturning moment, just significantly can reduce construction costs.
2, the dependence to horizontal anchor structure is reduced.Antislide pile overturning moment reduces, and a gear ability for antislide pile improves relatively, can reduce the dependence to horizontal anchor structure.This to do not have the slope project of horizontal anchor brace members, near have the slope project particular importance of agent structure pile foundation.
3, the requirement of antislide pile fixed section is reduced.Antislide pile overturning moment reduces, and this means that the geologic requirements condition of antislide pile basis fixed section can reduce, can have larger adaptive capacity and range of application.
4, vertical anchor cable is implemented easily, and anchor cable length is relatively short.
In addition, the utility model also have traditional anti-slide pile structure system little to environmental disruption, do not need the series of advantages such as extensive digging up and filling in, good reliability.
Accompanying drawing explanation
Fig. 1 is the front elevation view of the utility model retaining wall structure.
Fig. 2 is the A-A sectional drawing of Fig. 1.
In figure: 1-antislide pile; Breast boards between 2-stake; 3-stake top coupling beam; 4-bracket; 5-anchor cable; Q-side slope thrust; F-side slope Resulting thrust force; The prestressing force that P-anchor cable applies; The distance of L1-anchor cable Shi Hanzhang P and pile center's line; Distance at the bottom of L2-side slope Resulting thrust force distance slope; Overturning moment at the bottom of the stake that Mq-side slope Resulting thrust force causes; Overturning or slip resistance analysis moment of flexure at the bottom of the stake that Mk-anchor cable prestressing P causes.
Detailed description of the invention
Below in conjunction with accompanying drawing, specific embodiments of the present utility model is described in detail.
See Fig. 1 and Fig. 2, the vertical anchorage pile retaining wall of the utility model, comprises the antislide pile 1 arranged at a certain distance, in antislide pile 1 bottom embedding slope bed rock layer or soil layer, forms fixed section.Stake top, adjacent antislide pile 1 top coupling beam 3 links together, and plays and strengthens barricade globality and compatibility of deformation effect.Adjacent antislide pile 1 section breast boards between stake 2 in place between ground and top connects, and forms the soil-baffling structure closed.For reducing the moment of flexure on antislide pile, this structure is provided with the bracket 4 forming the arm of force in each antislide pile 1 inside top, bracket 4 other end arranges vertical anchor cable 5, and anchor cable 5 lower end anchors in stable rock stratum and forms anchorage cable anchoring section, and all the other are free section of anchor cable.In figure, a is top, slope, and b is at the bottom of slope, and L3 is slope height, and L4 is antislide pile fixed section, and L5 is free section of anchor cable, and L6 is anchorage cable anchoring section.
Under normal circumstances, the overturning moment that soil pressure produces is Mq, is determined by distance L2 at the bottom of side slope Resulting thrust force F and side slope Resulting thrust force distance slope.The utility model utilizes stake to be at loggerheads the overhanging formation arm of force of leg, anchor cable is made to produce certain distance L 1 apart from stake heart yearn, the prestressing force P that anchor cable applies and this distance form overturning or slip resistance analysis moment M k, a part of overturning moment Mq produced by soil pressure is balanced with this, moment of flexure on antislide pile is reduced, also reduce the displacement on stake top simultaneously, reach the displacement reducing stake top and the object reducing engineering cost according to this.
Existence due to overturning or slip resistance analysis moment M k reduces antislide pile overturning moment, construction costs can be reduced fairly largely, gear can be carried out the side slope that strike is mild, expand the scope of application that anchor draws antislide pile, be applicable to horizontal anchor brace members in civil engineering poor, near have building or basis, complex geological condition, basic condition poor etc. larger height digs, embankment support engineering of cutting slope.
The stake leg extension that is at loggerheads is determined according to designing requirement, unrestricted.The form of structure of bracket can be reinforced concrete structure, also can be trussed construction etc., unrestricted.
The utility model has nothing to do with specifically using material, and can be steel concrete, also can be stiffness metal material etc.; The utility model, can rectangle also not by the restriction of antislide pile cross sectional shape, square, also can be circular etc.
This structure independently can form retaining wall, also can with anchor structures such as traditional anchor cable, anchor poles together, and form the vertical anchorage pile retaining wall of compound, its combination is unrestricted.
Execavated rockmass engineering and embankment slope project is divided to be described further this structure below.
Embodiment 1: embodiment 1, for execavated rockmass engineering, adopts the vertical anchorage pile retaining wall of this structure, its construction enforcement order is:
1, antislide pile pore-forming (being generally hand excavation's pore-forming) is arranged at upper base;
2, antislide pile 1, bracket 4 is implemented;
3, anchor cable is implemented, after bracket concrete reaches design strength, to anchor cable Shi Hanzhang;
4, stake top coupling beam is implemented;
5, native (rock) body before excavating part stake, excavation height keeps stabilizing to prerequisite with inter-pile soil (rock) body;
6, implement to have excavated breast boards between part stake;
7, by (5), the construction of (6) step cycle, until barricade completes.
Embodiment 2: embodiment 2, for embankment slope project, adopts the vertical anchorage pile retaining wall of this structure, its construction enforcement order is:
1, arrange antislide pile at lower ground, adopt digging mode pore-forming;
2, antislide pile 1 is implemented together with top bracket 4.If antislide pile is oversize, the method for sectional cast is implemented;
3, implement anchor cable 5, after bracket 4 concrete reaches design strength, apply prestressd anchor cable;
4, stake top coupling beam 3 is implemented;
5, plate 2 between stake is implemented;
6, implement to banket after barricade, when banketing, horizontal force resistant protection need be carried out to anchor cable.
If side slope is higher, adopts layered backfill circulation to implement, to the last complete.
It should be noted that, the utility model structural system need by relevant specification of country designing and calculating.During design, according to slope height, geological conditions, ground load, building function etc., the length of adjustment pile spacing, sectional dimension, bracket, the prestressing of anchor cable, tries hard to reach safe and the most economic object.
Above-described embodiment of the present utility model is only for the utility model example is described, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, other multi-form change and variations can also be made on the basis of the above description.Here cannot give exhaustive to all embodiments.Every belong to the technical solution of the utility model the apparent change of amplifying out or variation be still in the row of protection domain of the present utility model.
Claims (3)
1. vertical anchorage pile retaining wall, comprises the antislide pile (1) arranged at a certain distance, in antislide pile (1) bottom embedding slope bed rock layer or soil layer, forms fixed section; Adjacent antislide pile (1) top stake is pushed up coupling beam (3) and is linked together, and adjacent antislide pile (1) section breast boards between stake (2) in place between ground and top connects, and forms the soil-baffling structure closed; It is characterized in that: be provided with the bracket (4) forming the arm of force in each antislide pile (1) inside top, bracket (4) other end arranges vertical anchor cable (5), and anchor cable (5) lower end anchors in stable rock stratum and forms anchorage cable anchoring section.
2. vertical anchorage pile retaining wall according to claim 1, is characterized in that: described bracket (4) is reinforced concrete structure or trussed construction.
3. vertical anchorage pile retaining wall according to claim 1, is characterized in that: vertical anchor cable (5) is applied with prestressing force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520117855.2U CN204456182U (en) | 2015-02-27 | 2015-02-27 | Vertical anchorage pile retaining wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520117855.2U CN204456182U (en) | 2015-02-27 | 2015-02-27 | Vertical anchorage pile retaining wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204456182U true CN204456182U (en) | 2015-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520117855.2U Expired - Fee Related CN204456182U (en) | 2015-02-27 | 2015-02-27 | Vertical anchorage pile retaining wall |
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| Country | Link |
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| CN (1) | CN204456182U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106638675A (en) * | 2017-01-11 | 2017-05-10 | 重庆建工住宅建设有限公司 | Reverse structural steel and bamboo splint soil retaining construction method |
-
2015
- 2015-02-27 CN CN201520117855.2U patent/CN204456182U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106638675A (en) * | 2017-01-11 | 2017-05-10 | 重庆建工住宅建设有限公司 | Reverse structural steel and bamboo splint soil retaining construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 |