CN207267986U - A kind of foundation pit subregion supporting construction for exempting from isolation structure - Google Patents

A kind of foundation pit subregion supporting construction for exempting from isolation structure Download PDF

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Publication number
CN207267986U
CN207267986U CN201720974861.9U CN201720974861U CN207267986U CN 207267986 U CN207267986 U CN 207267986U CN 201720974861 U CN201720974861 U CN 201720974861U CN 207267986 U CN207267986 U CN 207267986U
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China
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support
foundation pit
construction
subregion
isolation
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CN201720974861.9U
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Inventor
龙晓东
马郧
李松
吴彪
孙盼
郭运
朱佳
倪欣
易丽丽
张杨
罗春雨
余舜
万巧
刘佑祥
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Zhongnan Survey And Design Institute (hubei) Co Ltd
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Zhongnan Survey And Design Institute (hubei) Co Ltd
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Abstract

A kind of foundation pit subregion supporting construction for exempting from isolation structure is the utility model is related to, including:Building enclosure, horizontal support structure, vertical support structure.The horizontal support structure is connected in transverse direction with building enclosure, is connected in longitudinal direction with vertical support structure.The horizontal support structure includes foundation pit being divided into the angle brace of some construction areas and to supportting combining structure.The utility model angle brace, to supportting combined type subregion supporting construction, can preferably solve that construction project construction site is nervous, project different piece builds the different needs of problems of priority weight, the particularly preferential construction problem of main building.The utility model ensures security, economy, applicability and the high efficiency of foundation pit construction, is a kind of environmentally protective supporting structure system that is safe and reliable, adapting to current construction situation.

Description

A kind of foundation pit subregion supporting construction for exempting from isolation structure
Technical field
A kind of foundation pit subregion supporting construction for exempting from isolation structure is the utility model is related to, is needed suitable for construction project foundation pit The situation that subregion construction, main building are preferentially constructed.
Background technology
With the development of urban construction, soil growing tension, causes city excavation of foundation pit scale towards the deeper direction of bigger Development.On the one hand since environmental stress, foundation pit periphery construction site are difficult to meet demand, on the other hand, due to construction project body Huge, consideration construction fund withdrawal of currency from circulation periodic factors are measured, the priority weight of different piece exploitation is also not the same.This requires foundation pit Supporting carries out subregion, the needs of to meet construction organization and project construction progress.Isolation pile or wall are that a kind of common subregion is arranged Apply, still, if foundation pit subregion is not only increased project cost, but also tedious process, elongation duration, do not met using dividing wall Economic and practical environmentally friendly code requirement.Therefore, with reference to the flat shape of foundation pit and the feature of agent structure spatial distribution, angle is utilized Support, the region for forming each independent stressed to the characteristics of support stress independence to carry out subregion to foundation pit, can use between each subregion Slope transition, becomes a kind of good technological means for solving above contradiction.
The content of the invention
Problem to be solved in the utility model is to provide one kind and is arranged using angle brace, to support support system combination to foundation pit The supporting construction of Natural Division is carried out, the supporting construction process is simple, and flexible arrangement, Bit andits control ability be strong, to surrounding enviroment Influence small, strong applicability, easy for construction, saving duration.
The technical solution of the utility model is:A kind of foundation pit subregion supporting construction for exempting from isolation structure, including:Go along with sb. to guard him Structure, horizontal support structure, vertical support structure.The horizontal support structure is connected in transverse direction with building enclosure, in longitudinal direction It is connected with vertical support structure.The horizontal support structure includes foundation pit being divided into the angle brace of some construction areas and to support group Close structure.
The horizontal support structure include Guan Liang, waist rail, angle brace and to support, angle brace and to support by main brace and linking beam structure Into;Linking beam is arranged between each main brace, and main brace is connected into latticed redundant structure in the horizontal plane;Guan Liang and waist rail It is connected with building enclosure, main brace is connected with Guan Liang or waist rail to bear the supporting horizontal loading that it is transmitted.
Whole foundation pit is divided into 3 relatively independent big subregions of stress system by the horizontal support structure, and 1-2 therein is a Big subregion is divided into several relatively independent small subregions of stress system by horizontal support structure.The vertical support structure is by column Stake and the steel lattice column composition of insertion stand column pile, steel lattice column insertion stand column pile length are no less than 3.0m.The horizontal support structure It is connected by steel lattice column with vertical support structure.
The vertical support structure, is made of the steel lattice column of stand column pile and insertion stand column pile, steel lattice column insertion column Depth is no less than 3.0m in stake.Vertical support structure is connected by steel lattice column with horizontal support, and then is born it and transmitted what is come Vertical load.
The supporting structure can use steel tubular beam, section steel beam or reinforced beam.
The utility model is using angle brace system, the characteristic to support body system self-contained stress system, according to foundation pit shape and main body Project structure plane distribution feature, realizes the Natural Division of foundation pit, to meet to build by reasonable Arrangement angle brace, to support body system The exploitation demand of project.
The beneficial effects of the utility model are:Angle brace, to support combined type subregion supporting construction, can preferably solve construction project Construction site is nervous, project different piece builds the different needs of problems of priority weight, the particularly preferential construction problem of main building.By In each angle brace, separate to support body system for forming integrated support, both entirely foundation pit it can build synchronous excavate and promote, maximum Limit saves the duration, also can subregion promote avoid the occurrence of to greatest extent local subject construction progress constrain whole project construction into " short -board effect " of degree.Slight slope transition is used between subregion, does not set isolation pile or wall, can ensure to cheat the unimpeded of interior space, it is real Existing foundation pit space utilization maximizes, the unfavorable shadow to construction organization and duration for avoiding the related expense of separation measure and its bringing Ring, meet the demand for development of green construction;Angle brace, the stress system load path formed to support are clearly reliable, and support stiffness is big, Difficulty of construction is low, and it is convenient to remove, safe.
This supporting construction ensures security, economy, applicability and the high efficiency of foundation pit construction, be it is a kind of safe and reliable, Adapt to the environmentally protective supporting structure system of current construction situation.
Brief description of the drawings
Fig. 1 is the profile of the utility model;
Fig. 2 is the plan of the utility model.
Embodiment
Referring to Fig. 1 ~ 2, the utility model includes:Building enclosure(Cast-in-situ bored pile or diaphram wall 1), horizontal support knot Structure(Guan Liang 2, waist rail 3, main brace 4, secondary support 5, linking beam 6), vertical support structure(Steel lattice column 7, stand column pile 8), foundation pit subregion (I areas, II areas, III areas).
The building enclosure is set along foundation pit basement periphery, can use cast-in-situ bored pile or diaphram wall 1.
The horizontal support structure includes angle brace, to support, Guan Liang 2, waist rail 3.Angle brace, to support body system by main brace 4, link Beam 6 is formed, and time support can be also included to supportting.Main brace, secondary support form main stressed member, and linking beam is arranged at each main brace, secondary support Between, they are connected into latticed redundant structure in the horizontal plane.Guan Liang, waist rail are connected with support pile or wall, main brace, Secondary support is connected with Guan Liang or waist rail to bear the supporting horizontal loading that it is transmitted.
The vertical support structure, is connected with reinforced concrete upright column stake 8 by steel lattice column 7 and formed, and steel lattice column 7 is inserted into Depth is no less than 3.0m in stand column pile 8.Steel lattice column 7 is connected with horizontal support, and then bears it and transmit the vertical load of coming.
The supporting structure can use steel tubular beam, section steel beam or reinforced beam.
The foundation pit subregion is made of building enclosure, horizontal support structure, vertical support structure, according to each angle brace, right Naturally foundation pit subregion is realized in support boundary line.
The utility model using each area's angle brace, to support self-contained independent stressed system the characteristics of, using angle brace with to shoring group The arrangement form of conjunction is realized is divided into the independent big subregion of as shown in Figure 2 three by foundation pit, wherein I areas, III distinguishes area can be into one Step is subdivided into two child partitions.Three big subregion can be built successively according to the order in I areas → II areas → III areas, between each subregion Agent structure development progress be independent of each other, also can all subregion Integral synchronous coordinated promotions.Subregion successively excavates promote successively When, pass through slight slope transition between subregion, it is rear build subregion and be alternatively arranged as first building the construction site of subregion use, solve construction institute Need place problem.The utility model had both allowed to develop demand priority developing focus part according to main building, and main building is preferentially constructed Subregion promotes --- as the unsupported covering of 3# main buildings can preferentially be constructed in figure, and it can meet the need that whole project simultaneously advances Ask, the order of priority different to Development control area has very strong adaptability;Slight slope transition is used between subregion, avoids setting and divides Between subregion with support pile or divider wall, had both been kept it is unobstructed, prevent construction space it is artificial reduce and construction line every It is disconnected, the related expense that subregion separates supporting measure is turn avoid, avoids wasting, meets the demand for development of green construction;It is angle brace, right The stress system load path of support composition is clearly reliable, and support stiffness is big, and difficulty of construction is low, and it is convenient to remove, safe.
The implementation steps of the utility model are:Construction foundation pit building enclosure, vertical support structure first, then according to subregion And the sequencing excavated, the horizontal support structure that proposed region is related to of constructing, according to foundation pit subregion, successively develops the earthwork, from Top to bottm is constructed each road horizontal support structure successively, and on earth, each layer main body structure of constructing, is removed earth excavation successively from top to bottom Each road horizontal support structure(It is dismountable that support changing structure for use construction party should be first carried out when fertile groove is set), it is finally completed basement main body knot Structure is constructed.
The utility model has the following advantages:
(1)Exempt to set separation supporting construction, convenient construction is environmentally protective:Using angle brace, to support self-contained independent stressed system Characteristic, according to foundation pit shape and principal Item structure space characteristic distributions, base is realized by reasonable Arrangement angle brace, to support body system The Natural Division in hole, uses slight slope transition between subregion, does not set isolation pile or wall, can ensure hole can space it is unimpeded, realize Foundation pit space utilization maximizes, and avoids separating the related expense of supporting construction, avoids dismounting from bringing the environment shadow such as noise, dust Ring, avoid the adverse effect to construction organization and duration brought, meet the demand for development of green construction.
(2)Make full use of space in hole:Since subregion excavates in hole, the subregion that excavation can be built after is used as construction Place, solves limitation of the foundation pit periphery without construction site.
(3)It is adaptable:Angle brace, be individually independent stress unit to support, is independent of each other, to agent structure different piece Build order of priority multiple combinations there is good adaptability, both can Integral synchronous propulsion, can also give prominence to the key points, main building it is preferential Construction, subregion promote, adaptable.
(4)Bit andits control ability is strong, small to surrounding environment influence:Angle brace, the stress system load path formed to support are bright Really reliable, support stiffness is big, and difficulty of construction is low, and it is convenient to remove, safe.
(5)Overall economic efficiency is high:The utility model environmental protection is strong, and process is simple, and component standardization degree is high, work Phase is saved, and saves soil, meets environment protection requirement, and overall economic efficiency is high.

Claims (5)

  1. A kind of 1. foundation pit subregion supporting construction for exempting from isolation structure, it is characterised in that:Including building enclosure, horizontal support structure and Vertical support structure;The horizontal support structure is connected in transverse direction with building enclosure, is connected in longitudinal direction with vertical support structure Connect;The horizontal support structure includes foundation pit being divided into the angle brace of some construction areas and to supportting combining structure.
  2. 2. the foundation pit subregion supporting construction according to claim 1 for exempting from isolation structure, it is characterised in that:The horizontal support Structure includes Guan Liang, waist rail, angle brace and is formed to support, angle brace and to support by main brace and linking beam;Linking beam is arranged at each master Between support, and main brace is connected into latticed redundant structure in the horizontal plane;Guan Liang and waist rail are connected with building enclosure, main Support is connected with Guan Liang or waist rail.
  3. 3. the foundation pit subregion supporting construction as claimed in claim 1 for exempting from isolation structure, it is characterised in that:The horizontal support knot Whole foundation pit is divided into 3 relatively independent big subregions of stress system by structure, and 1-2 therein big subregion is by horizontal support structure point Several small subregions relatively independent into stress system.
  4. 4. the foundation pit subregion supporting construction as claimed in claim 1 for exempting from isolation structure, it is characterised in that:The vertical support knot Structure is made of the steel lattice column of stand column pile and insertion stand column pile, and steel lattice column insertion stand column pile length is no less than 3.0m.
  5. 5. the foundation pit subregion supporting construction as claimed in claim 4 for exempting from isolation structure, it is characterised in that:The horizontal support knot Structure is connected by steel lattice column with vertical support structure.
CN201720974861.9U 2017-08-07 2017-08-07 A kind of foundation pit subregion supporting construction for exempting from isolation structure Active CN207267986U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720974861.9U CN207267986U (en) 2017-08-07 2017-08-07 A kind of foundation pit subregion supporting construction for exempting from isolation structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720974861.9U CN207267986U (en) 2017-08-07 2017-08-07 A kind of foundation pit subregion supporting construction for exempting from isolation structure

Publications (1)

Publication Number Publication Date
CN207267986U true CN207267986U (en) 2018-04-24

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110777807A (en) * 2019-11-12 2020-02-11 广东省工程勘察院 Deep foundation pit supporting construction method in complex environment
CN112095626A (en) * 2020-09-28 2020-12-18 中国电建集团华东勘测设计研究院有限公司 Foundation pit supporting structure serving as corridor underpinning pile foundation and construction method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110777807A (en) * 2019-11-12 2020-02-11 广东省工程勘察院 Deep foundation pit supporting construction method in complex environment
CN110777807B (en) * 2019-11-12 2021-06-22 广东省工程勘察院 Deep foundation pit supporting construction method in complex environment
CN112095626A (en) * 2020-09-28 2020-12-18 中国电建集团华东勘测设计研究院有限公司 Foundation pit supporting structure serving as corridor underpinning pile foundation and construction method thereof

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