CN108487303A - A kind of Complex retaining wall and construction method of support pile and counterfort wall - Google Patents

A kind of Complex retaining wall and construction method of support pile and counterfort wall Download PDF

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Publication number
CN108487303A
CN108487303A CN201810283123.9A CN201810283123A CN108487303A CN 108487303 A CN108487303 A CN 108487303A CN 201810283123 A CN201810283123 A CN 201810283123A CN 108487303 A CN108487303 A CN 108487303A
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China
Prior art keywords
support pile
wall
counterfort
support
pile
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Granted
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CN201810283123.9A
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Chinese (zh)
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CN108487303B (en
Inventor
魏焕卫
尹爱月
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Shandong Jianzhu University
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Shandong Jianzhu University
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Priority to CN201810283123.9A priority Critical patent/CN108487303B/en
Publication of CN108487303A publication Critical patent/CN108487303A/en
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/02Retaining or protecting walls
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/02Retaining or protecting walls
    • E02D29/0258Retaining or protecting walls characterised by constructional features
    • E02D29/0266Retaining or protecting walls characterised by constructional features made up of preformed elements

Abstract

The invention discloses the Complex retaining walls and construction method of a kind of support pile and counterfort wall, including:When excavation of foundation pit, support pile and counterfort wall;Support pile includes multiple, is arranged in a row, and is equipped with Guan Liang at the top of support pile, multiple support piles are connected into an entirety by Guan Liang, and counterfort wall top is connected by coupling beam with support pile, and lower part is connected by bottom plate with support pile.Relative to traditional counterfort wall structure, support pile transmits horizontal pull by coupling beam, antidumping and the resistant slide ability of counterfort wall is effectively increased, to give full play to support pile effect.Temporary support structures undertake vertical load with agent structure and are typically different, differential settlement is easy tod produce, causes craze and transfiguration to influence structure safety, but the structure is in river levee support engineering, barricade upper load and support pile upper load situation are almost the same, not will produce uneven subsidence.

Description

A kind of Complex retaining wall and construction method of support pile and counterfort wall
Technical field
The present invention relates to Complex retaining wall structures, and in particular to a kind of Complex retaining wall based on support pile and counterfort wall And construction method.
Background technology
Constantly accelerate with the process of urbanization, urban land is fewer and fewer, this is resulted in city incity execution conditions It is harsher.River regulation in city, the larger river levee two sides of depth generally require to carry out supporting with barricade.At present in wall height Usually using counterfort wall in larger engineering, need to carry out foundation pit excavation and bracing in barricade process of construction, wherein Support pile is one of common means.
Counterfort wall existing unfavorable factor in the construction process:1. with the increasing of supporting height, to ensure to become Shape is met the requirements, and is needed to barricade enlarged in thickness, and bottom plate widens thickening, deep to cause barricade sectional area area to increase, excavate Degree increases.Usual construction site is narrow in city, is influenced by limited place and surrounding enviroment, it is difficult to meet width and depth Requirement.2. support pile as temporary supporting structure after main body construction, in conventional counterfort wall design It needs not continue to play its effect, and the effect of its Slope Stability lacks necessary being, this has resulted in significantly providing Source wastes.
Invention content
Present invention aims to overcome that above-mentioned existing issue, provide that a kind of section is small, rigidity is big, deforms small, overall performance Good river levee retaining wall method, to preferably adapt to the requirement of construction site and ensure the safety and stability of river levee two sides.This Invention reduces the size of excavation of foundation pit depth and barricade by the design method that support pile and counterfort wall are combined, drop Low project cost.
The technical solution adopted by the present invention is as follows:
The Complex retaining wall of a kind of support pile and counterfort wall provided by the invention, including:It is used when excavation of foundation pit Support pile and counterfort wall;The support pile includes multiple, is arranged in a row, and Guan Liang, institute are equipped at the top of support pile Multiple support piles are connected into an entirety by the Guan Liang stated, and the counterfort wall top is connected by coupling beam with support pile It connects, lower part is connected by bottom plate with support pile.
Further, in order to preferably counterfort wall be made to be connected with support pile, the base plate thickness suitably increases.
Further, the counterfort wall top rebars encryption prevents broken with coupling beam junction generation partial cut It is bad.
Further, the coupling beam includes multiple, and multiple coupling beams are horizontally disposed, are arranged in a row, in the height direction etc. It is high.
Further, between multiple coupling beams equidistantly distributed or according to load situation difference spacing be distributed, ensure Uniform force.
Further, multiple support pile equidistantly distributeds or according to load situation difference spacing be distributed, ensure Uniform force.
Specific method for protecting support using the Complex retaining wall of support pile+counterfort wall is as follows:
The first step:Supporting pile driving construction, the construction supporting stake before the earthwork is not excavated, support pile are longitudinal along supporting range It arranges, is arranged in a row according to a determining deviation;Then it after equal support piles intensity meets intensity of excavation requirement, is excavated, cuts stake Head is equipped with Guan Liang at the top of support pile, and support pile reinforcing bar stretches into Guan Liang, and support pile is connected into an entirety by Guan Liang;Guan Liang Inside reserved steel bar is connect with coupling beam in the future;
Second step:Earth excavation is to designed elevation, if foundation pit needs construction level anchor pole more deeply, needs step excavation extremely Designed elevation, anchor pole is provisional component, not as a part for composite structure;
Third walks:The bottom plate for composite structure of constructing, the embedded bar and supporting that baseplate reinforcing bar passes through bar planting or support pile Stake is attached;
4th step:The side wall and counterfort for composite structure of constructing;The side wall and counterfort form counterfort wall.
5th step:The coupling beam that construction top is connect with support pile Guan Liang.
Advantageous effect of the present invention:
The present invention is Complex retaining wall design method, and new type of retaining structure is combined by support pile and counterfort wall. This method has fully considered the permanent effect of temporary support structures, effectively reduces engineering cost.Piling wall supporting knot simultaneously The advantages that structure has section small, and rigidity is big, and deformation is small, and overall performance is good.
Relative to traditional counterfort wall structure, support pile transmits horizontal pull by coupling beam, is effectively increased and helps The antidumping of wall type retaining wall and resistant slide ability, to give full play to support pile effect.Temporary support structures and main body knot Structure undertakes vertical load and is typically different, and easy tos produce differential settlement, causes craze and transfiguration to influence structure safety, but the structure is used for river In dike support engineering, barricade upper load and support pile upper load situation are almost the same, not will produce uneven subsidence.
Description of the drawings
The accompanying drawings which form a part of this application are used for providing further understanding of the present application, and the application's shows Meaning property embodiment and its explanation do not constitute the improper restriction to the application for explaining the application.
The Complex retaining wall floor map of Fig. 1 present invention;
The Complex retaining wall diagrammatic cross-section of Fig. 2 present invention;
In figure, 1, support pile, 2, counterfort wall, 3, coupling beam, 4, counterfort wall bottom plate, 5, Guan Liang.
Specific implementation mode
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific implementation mode, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
As background technology is introduced, in the prior art with the increasing of supporting height, to ensure to build up rear barricade Safety, needs to barricade enlarged in thickness, and bottom plate widens thickening, and to cause barricade sectional area area to increase, cutting depth increases. Usual construction site is narrow in city, is influenced by limited place and surrounding enviroment, it is difficult to meet the requirement of width and depth. 2. support pile as temporary supporting structure after main body construction, need not be after in conventional counterfort wall design Supervention waves its effect, this has resulted in the significantly wasting of resources, in order to solve technical problem as above, present applicant proposes A kind of Complex retaining wall of support pile and counterfort wall.
In a kind of typical embodiment of the application, as shown in Figure 1, the present invention is directed to traditional counterfort wall scheme Specific requirement cannot be met, a kind of Complex retaining wall form of support pile 1 and counterfort wall 2 is provided, coupling beam 3 and bottom plate are passed through Counterfort wall 2 and support pile 1 are combined and collectively form barrier wall structure by 4, by coupling beam 3 and bottom plate 4 by support pile Its ultimate bearing capacity pass to counterfort wall 2, to effectively improve the antidumping and antiskid of counterfort wall 2 Shifting ability;
Specifically, support pile 1 includes multiple, multiple support piles form a line, and 1 top of multiple support piles passes through 5 phase of Guan Liang Even, an entirety is formed;The bottom of counterfort wall 2 is connected by bottom plate with support pile 1, and top is connected by coupling beam 3;It helps Wall type retaining wall 2 includes side wall and counterfort, and side wall bottom mounting base forms a right angle, and counterfort is mounted on side wall and counterfort In the right angle of formation.
Coupling beam 3 includes multiple, and multiple coupling beams 3 are contour in the height direction, and spacing is equal between adjacent coupling beam, and coupling beam is equal Even distribution ensures the uniform of stress.
The vertical side wall top rebars of composite structure are encrypted, and concealed beam should be arranged, and prevent that part occurs with coupling beam junction Failure by shear.
Bottom plate is mounted on the intermediate position of support pile, is not bottom, ensures stress.
Further, equidistantly distributed between multiple coupling beams ensures uniform force.
Further, multiple support pile equidistantly distributeds ensure uniform force.
Specific implementation is as follows:
The first step:Supporting pile driving construction, the construction supporting stake before the earthwork is not excavated, support pile are longitudinal along supporting range It arranges, is arranged in a row according to a determining deviation;Then it after equal support piles intensity meets intensity of excavation requirement, is excavated, cuts stake Head is equipped with Guan Liang at the top of support pile, and support pile reinforcing bar stretches into Guan Liang, and support pile is connected into an entirety by Guan Liang;Guan Liang Inside reserved steel bar is connect with coupling beam in the future;
Second step:Earth excavation is to designed elevation, if foundation pit needs construction level anchor pole more deeply, needs step excavation extremely Designed elevation, anchor pole is provisional component, not as a part for composite structure;
Third walks:The bottom plate for composite structure of constructing, the embedded bar and supporting that baseplate reinforcing bar passes through bar planting or support pile Stake is attached;
4th step:The side wall and counterfort for composite structure of constructing;The side wall and counterfort form counterfort wall.
5th step:The coupling beam that construction top is connect with support pile Guan Liang.
The foregoing is merely the preferred embodiments of the application, are not intended to limit this application, for the skill of this field For art personnel, the application can have various modifications and variations.Within the spirit and principles of this application, any made by repair Change, equivalent replacement, improvement etc., should be included within the protection domain of the application.

Claims (8)

1. the Complex retaining wall of a kind of support pile and counterfort wall, which is characterized in that including:Supporting used when excavation of foundation pit Stake and counterfort wall;The support pile includes multiple, is arranged in a row, and Guan Liang is equipped at the top of support pile, described Multiple support piles are connected into an entirety by Guan Liang, and the counterfort wall top is connected by coupling beam with support pile, under Portion is connected by bottom plate with support pile.
2. the Complex retaining wall of support pile as described in claim 1 and counterfort wall, which is characterized in that the base plate thickness It increases.
3. the Complex retaining wall of support pile as described in claim 1 and counterfort wall, which is characterized in that the buttress type gear Cob wall top rebars are encrypted.
4. the Complex retaining wall of support pile as described in claim 1 and counterfort wall, which is characterized in that the coupling beam packet Include multiple, multiple coupling beams are horizontally disposed, are arranged in a row, contour in the height direction.
5. the Complex retaining wall of support pile as described in claim 1 and counterfort wall, which is characterized in that multiple coupling beams Between equidistantly distributed or according to load situation difference spacing be distributed, ensure uniform force.
6. the Complex retaining wall of support pile as described in claim 1 and counterfort wall, which is characterized in that described multiple Fender pile equidistantly distributed is distributed according to load situation difference spacing, ensures uniform force.
7. the construction method carried out using the Complex retaining wall of support pile and counterfort wall described in claim 1, feature It is,
The first step:Supporting pile driving construction, the construction supporting stake before the earthwork is not excavated, support pile along supporting range it is longitudinal according to One determining deviation is arranged, is arranged in a row;Then it after equal support piles intensity meets intensity of excavation requirement, is excavated, cuts pile crown, The top of support pile is equipped with Guan Liang, and support pile reinforcing bar stretches into Guan Liang, and support pile is connected into an entirety by Guan Liang;It is pre- on the inside of Guan Liang Reinforcing bar is stayed to be connect in the future with coupling beam;
Second step:Earth excavation is to designed elevation;
Third walks:The bottom plate for composite structure of constructing, baseplate reinforcing bar by the embedded bar of bar planting or support pile and support pile into Row connection;
4th step:The side wall and counterfort for composite structure of constructing;The side wall and counterfort form counterfort wall.
5th step:The coupling beam that construction top is connect with support pile Guan Liang.
8. method for protecting support as claimed in claim 7, which is characterized in that if foundation pit needs construction level anchor pole more deeply, need Step excavation is to designed elevation, and anchor pole is provisional component, not as a part for composite structure.
CN201810283123.9A 2018-04-02 2018-04-02 Combined retaining wall of supporting pile and counterfort retaining wall and construction method Active CN108487303B (en)

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CN108487303B CN108487303B (en) 2020-05-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111274638A (en) * 2020-01-20 2020-06-12 中铁二院工程集团有限责任公司 Method for improving anti-overturning safety of existing balance weight retaining wall

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202850048U (en) * 2012-09-04 2013-04-03 中铁二院工程集团有限责任公司 High cantilever combination retaining wall structure
CN203080470U (en) * 2013-02-21 2013-07-24 重庆交通大学 Pile-bearing platform-barricade combined supporting and retaining structure
CN103306289A (en) * 2013-06-28 2013-09-18 中国三冶集团有限公司第一建筑工程公司 Foundation pit piled anchor dado concrete anchor cable top beam structure and construction method thereof
CN103510525A (en) * 2013-10-22 2014-01-15 天津大学 Cascade support method of foundation trench of gravity type cement cob wall combined single-row piles
CN205296170U (en) * 2015-10-22 2016-06-08 山东科技大学 Combined type campshed underground structure
CN205502063U (en) * 2016-04-01 2016-08-24 自贡市城市规划设计研究院有限责任公司 Combined type retaining structure

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202850048U (en) * 2012-09-04 2013-04-03 中铁二院工程集团有限责任公司 High cantilever combination retaining wall structure
CN203080470U (en) * 2013-02-21 2013-07-24 重庆交通大学 Pile-bearing platform-barricade combined supporting and retaining structure
CN103306289A (en) * 2013-06-28 2013-09-18 中国三冶集团有限公司第一建筑工程公司 Foundation pit piled anchor dado concrete anchor cable top beam structure and construction method thereof
CN103510525A (en) * 2013-10-22 2014-01-15 天津大学 Cascade support method of foundation trench of gravity type cement cob wall combined single-row piles
CN205296170U (en) * 2015-10-22 2016-06-08 山东科技大学 Combined type campshed underground structure
CN205502063U (en) * 2016-04-01 2016-08-24 自贡市城市规划设计研究院有限责任公司 Combined type retaining structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111274638A (en) * 2020-01-20 2020-06-12 中铁二院工程集团有限责任公司 Method for improving anti-overturning safety of existing balance weight retaining wall
CN111274638B (en) * 2020-01-20 2022-08-05 中铁二院工程集团有限责任公司 Method for improving anti-overturning safety of existing balance weight retaining wall

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