CN103485348B - Anti-side pier body combined type building enclosure in a wide range of excavation of foundation pit - Google Patents

Anti-side pier body combined type building enclosure in a wide range of excavation of foundation pit Download PDF

Info

Publication number
CN103485348B
CN103485348B CN201310340059.0A CN201310340059A CN103485348B CN 103485348 B CN103485348 B CN 103485348B CN 201310340059 A CN201310340059 A CN 201310340059A CN 103485348 B CN103485348 B CN 103485348B
Authority
CN
China
Prior art keywords
pier body
foundation pit
side pier
stake
building enclosure
Prior art date
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.)
Active
Application number
CN201310340059.0A
Other languages
Chinese (zh)
Other versions
CN103485348A (en
Inventor
涓ュ钩
严平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yan Ping
Zhejiang Nanlian Civil Engineering Technology Co ltd
Original Assignee
HANGZHOU NANLIAN CIVIL ENGINEERING TECHNOLOGY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by HANGZHOU NANLIAN CIVIL ENGINEERING TECHNOLOGY Co Ltd filed Critical HANGZHOU NANLIAN CIVIL ENGINEERING TECHNOLOGY Co Ltd
Priority to CN201310340059.0A priority Critical patent/CN103485348B/en
Publication of CN103485348A publication Critical patent/CN103485348A/en
Application granted granted Critical
Publication of CN103485348B publication Critical patent/CN103485348B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention discloses the anti-side pier body combined type building enclosures in a kind of a wide range of excavation of foundation pit, anti-side pier body is arranged at intervals with along the periphery of foundation pit enclosure, large-scale foundation pit periphery is divided into several zonules, anti-side fender post has been set between anti-side pier body, each anti-side pier body is connected using the capping beam for going along with sb. to guard him stake top, forms complete anti-side pier body combined type building enclosure.Advantageous effect of the invention are as follows: anti-side pier body is supported by using oblique stake, foundation pit enclosure structure can the anomaly high inner support of construction costs, underground engineering construction is greatly facilitated, while solving the problems, such as that insufficient using anchor pole reliability in weak soil or the exceedingly popular line of anchor pole can not be implemented;Have many advantages, such as that lateral resistant ability is strong, lateral displacement is controlled, go along with sb. to guard him safe and reliable, low cost and carries out underground engineering construction without inner support.

Description

Anti-side pier body combined type building enclosure in a wide range of excavation of foundation pit
Technical field
The present invention relates to the anti-side pier body combined type building enclosure in a kind of a wide range of excavation of foundation pit, more particularly to one kind are anti- Side pier body combined type building enclosure.
Background technique
With the development of urban construction, the underground engineerings such as ultra-large type underground garage, market place builet below the ground are substantially emerged in large numbers, these big models The excavating for enclosing underground engineering can only generally take that self-supporting goes along with sb. to guard him way, periphery sets and faces since scale can not set greatly inner support When diagonal brace central island form of construction work or take soil nailing anchor pole etc. and go along with sb. to guard him form, but these are gone along with sb. to guard him way and exist and involve great expense, The problems such as construction trouble, soil nailing anchor pole exceedingly popular line.
Simultaneously for the soft soil foundation in vast coastal cities, above-mentioned way is difficult there is also displacement is controlled, and reliability is low etc. Problem.There is no at present rationally reliably go along with sb. to guard him way face so largely to occur it is this kind of descend bracing engineering on a large scale, Invention exactly for a wide range of Foundation Pit Support Engineering that can not set inner support in this kind of weak soil, has developed one kind and is not required to set interior branch Support, go along with sb. to guard him safe and reliable, construction is simple and low cost completely newly go along with sb. to guard him form without the exceedingly popular line problem of anchor pole.
This novel building enclosure suitable for each field of civil engineering, such as the medium-and-large-sized underground garage engineering of civilian construction and The slope protection works etc. in shore protection harbour and dam construction, bridge field in Large Underground Emporium engineering, water conservancy port engineering encloses Nurse's journey.
Summary of the invention
The anti-side pier body combined type building enclosure that the present invention provides a kind of suitable for a wide range of excavation of foundation pit, solves In traditional foundation pit enclosure structure using cost caused by supporting beam braced cuts high, constructional difficulties, displacement control be not easy, can The problems such as low by property.
A kind of anti-side pier body combined type building enclosure in a wide range of excavation of foundation pit, along the periphery interval of foundation pit enclosure It is provided with anti-side pier body, large-scale foundation pit periphery is divided into several zonules, has set anti-side fender post between anti-side pier body, Each anti-side pier body is connected using the capping beam for going along with sb. to guard him stake top, forms complete anti-side pier body combined type building enclosure.
The anti-side fender post can according to need single distribution, double distribution or double point of single combination interval Cloth, stake diameter are arranged according to design.Anti-side fender post can be existing cast-in-situ reinforced concrete circle stake, prefabricated reinforced concrete barrette, T shape Stake, I-shaped stake, round stake or various Section-steel Piles etc..
Capping beam can be cast-in-place strip capping beam, or the capping beam of strip tape anchor pole can also be strip Capping beam with convex block is suitable for a variety of subterranean excavations according to actual needs and goes along with sb. to guard him.
The anti-side pier body is formed by the pier body coping of the oblique oblique stake set and vertical stake combination stake top;It is described Oblique stake and the common support pier body coping of vertical stake be used to resist the foundation pit that anti-side fender post press top beam transmits between pier body Periphery Water And Earth Pressures;The oblique one end set in foundation pit of the oblique stake is deep into hole bottom good soil layer below, to fill Divide the lateral resistant ability for improving anti-side pier body.
The oblique stake can be reinforced concret precast pile or piling bar form.The stake diameter and number of rows of vertical stake are true as needed It is fixed.
The anti-side pier dignity sets a row more oblique stakes being parallel to each other to foundation pit side.Oblique stake it is specific Radical is determined according to design, Mechanics Calculation, guarantees that building enclosure can resist foundation pit periphery Water And Earth Pressures.
The anti-side pier dignity sets multiple rows of mutual parallel oblique stake to foundation pit side.
The angle of the oblique stake and horizontal direction is between 30~70 degree, and the length and installation position of oblique stake are through power It learns to calculate and determine, so that the lateral force resistance of building enclosure is reached design requirement in conjunction with pier body coping.
The oblique stake positioned at the oblique stake two sides of a row is in toed-out shape to extending out.Oblique stake is multiple rows of, every row At two, it is in toed-out shape that oblique stake, which can according to need single, can also multiple rows of be in toed-out shape.Oblique stake be it is multiple rows of, often At row two or more, can two, single outside be in toed-out shape, can also two, multiple rows of outside be in toed-out shape.Similarly, tiltedly To stake be it is single when, can also be in toed-out shape.
When excavation of foundation pit depth is deeper, the anti-side pier body combined type building enclosure can be two layers and two layers or more, The oblique stake sequentially passes through each layer pier body coping.Capping beam, waling beam between each layer pier body coping and each layer pier body The anti-side pier body combined type building enclosure of MULTILAYER COMPOSITE is collectively formed in connection.
Entire building enclosure has saved material, has reduced cost while guaranteeing to go along with sb. to guard him intensity.
The capping beam is truss structure.Truss structure can be angularly vierendeel truss, varied angle broken line truss, song The structures such as line truss.When building enclosure is multilayer, waling beam may be truss structure.
Each anti-side pier body is connected by capping beam and each layer waling beam combination arc shaped prestressed stretch-draw steel truss It connects.
Beneficial effects of the present invention:
1, the interval setting anti-side pier body in foundation pit enclosure, makes anti-side pier body become supporting point, is connected by capping beam each A supporting point enhances the lateral resistant ability of foundation pit enclosure structure, while reducing project cost;
2, anti-side pier body is supported by using oblique stake, foundation pit enclosure structure can anomaly high interior of construction costs Support, greatly facilitates underground engineering construction, while solving in weak soil using anchor pole reliability deficiency or the exceedingly popular line of anchor pole The problem of can not implementing;
3, by flexibly increasing distribution anti-side pier body, it can easily solve regional area building enclosure and bear larger water and soil The problem of pressure, the problem of also can solve regional area requirement tightened up control lateral displacement.
4, the present invention with lateral resistant ability, control, go along with sb. to guard him safe and reliable, low cost and without inner support by strong, lateral displacement The advantages that carrying out underground engineering construction.
Detailed description of the invention
Fig. 1 is the top view of bar shaped capping beam building enclosure of the present invention;
Fig. 2 is the cross-sectional view of the body of anti-side pier shown in Fig. 1 a-a;
Fig. 3 is the top view of belt strip anchor pole capping beam building enclosure of the present invention;
Fig. 4 is the cross-sectional view of the body of anti-side pier shown in Fig. 3 b-b;
Fig. 5 is the top view of belt strip convex block capping beam building enclosure of the present invention;
Fig. 6 is the cross-sectional view of the body of anti-side pier shown in Fig. 5 c-c;
Fig. 7 is the top view of bar shaped truss building enclosure of the present invention;
Fig. 8 is the cross-sectional view of the body of anti-side pier shown in Fig. 7 d-d;
Fig. 9 is the top view of angularly vierendeel truss building enclosure of the invention;
Figure 10 is the top view of varied angle broken line truss building enclosure of the present invention;
Figure 11 is the top view of arc shaped tensioning steel truss building enclosure of the present invention;
Figure 12 is the cross-sectional view of the body of anti-side pier shown in Figure 11 e-e;
Figure 13-14 is the cross-sectional view of the double oblique stake arrangement of the present invention;
Figure 15 is the cross-sectional view of double-enveloped structure anti-side pier body of the present invention;
Figure 16 is the top view of the oblique stake arrangement of toed-out shape of the present invention.
Specific embodiment
Embodiment 1
As shown in Figs. 1-2, the anti-side pier body combined type building enclosure in a kind of a wide range of excavation of foundation pit, along foundation pit enclosure Periphery is arranged at intervals with anti-side pier body 1, and anti-side fender post 2, the bar shaped pressure of 2 stake top of anti-side fender post have been set between anti-side pier body 1 Top beam 3 is connected to each anti-side pier body 1, forms complete anti-side pier body combined type building enclosure.
Anti-side fender post 2 is prefabricated reinforced concrete circle stake, is in single arrangement, and outside is disposed with earth-retaining water-stop curtain 7.
The spacing of anti-side pier body 1 is comprehensive according to excavation of foundation pit depth, excavation of foundation pit range soil nature and 3 structure type of capping beam Conjunction value, value range is between 10~50m.
Anti-side pier body 1 includes oblique stake 4, vertical stake 5 and pier body coping 6.Oblique stake 4 and the vertical support jointly of stake 5 Anti-side fender post presses the foundation pit periphery Water And Earth Pressures that top beam 3 transmits between pier body coping 6 is used to resist pier body.Oblique stake 4 is tiltedly It is deep into hole bottom good soil layer below to the one end set in foundation pit, and is 60 degree with the angle of horizontal direction.
The diameter of vertical stake 5 is 0.32m, is in single arrangement, can use structure identical with anti-side fender post 2 and material Material, can also be sized and material according to actual needs.
The horizontal cross-section of pier body coping 6 is trapezoidal, and trapezoidal short side side is towards foundation pit.The thickness of pier body coping 6 with Bar shaped capping beam 3 is identical.Oblique stake 4 is two to be parallel to each other, setting in trapezoidal short side side, using prefabricated reinforced concrete stake or Piling bar can also use prefabricated tubular pile, and pile top enters in hard stratum, and stake is long to determine that pile body is in underground according to the buried depth of hard stratum Water-proofing treatment is carried out at bottom plate.
Oblique stake 4 can also be in toed-out shape arrangement, as shown in figure 16.
As seen in figures 3-6, the capping beam 3 for connecting each anti-side pier body can be belt strip anchor pole shape or belt strip convex block Shape, for reinforcing the anti-side of building enclosure to ability.
Can also as is seen in figs 7-10, capping beam 3 is truss structure, and truss structure can be angularly vierendeel truss, change The structures such as angle broken line truss, curve truss, in order to adapt to a variety of foundation pit enclosure structures.
Can also as depicted in figs. 11-12, each anti-side pier body 1 combines arc shaped prestressed stretch-draw by bar shaped capping beam 3 Steel truss connection, such building enclosure is higher suitable for foundation pit enclosure risk, and larger anti-side is needed to go along with sb. to guard him to power, guarantees foundation pit peace Entirely.
It, can also be by reinforcing anti-side in addition to the above-mentioned shown anti-side for improving foundation pit using capping beam 3 is reinforced is to ability The anti-side of pier body 1 improves the safety of foundation pit to ability.
As shown in figure 13, reinforce the anti-side of anti-side pier body 1 to ability by the way that double oblique stake 4 is arranged.It is various forms of anti- Side pier body 1, the strengthening form of use can also be different, as shown in figure 14.
Such as Figure 15, when excavation of foundation pit depth is deeper, anti-side pier body combined type building enclosure is two layers, and oblique stake 4 is successively worn Each layer pier body coping 6 is crossed, is combined with each layer pier body coping 6, has not only strengthened the anti-side of building enclosure to ability, but also save Cost.Required according to Mechanics Calculation, the vertical stake 5 of anti-side pier body 1 is two rows of arrangements, reinforce the anti-side of building enclosure entirety to Power.
Wherein the capping beam 3 between each layer pier body coping 6 and each layer pier body, waling beam together form the anti-of MULTILAYER COMPOSITE Side pier body combined type building enclosure.
Waling beam can also use truss structure or capping beam combination truss structure.

Claims (7)

1. the anti-side pier body combined type building enclosure in a kind of a wide range of excavation of foundation pit, it is characterised in that: along the week of foundation pit enclosure While being arranged at intervals with anti-side pier body (1), large-scale foundation pit periphery is divided into several zonules, has been set between anti-side pier body anti- Side wall fender pile (2) connects each anti-side pier body (1) using the capping beam (3) for going along with sb. to guard him stake top, forms complete anti-side pier body combination Formula building enclosure;Anti-side pier body (1) is combined pier body coping (6) shape of stake top by the oblique stake (4) set and vertical stake (5) At;Oblique stake (4) and the common support pier body coping (6) of vertical stake (5) are used to resist anti-side fender post press top beam between pier body (3) the foundation pit periphery Water And Earth Pressures transmitted;The angle of oblique stake (4) and horizontal direction is oblique to set between 30~70 degree One end in foundation pit is deep into hole bottom hard soil layer below.
2. the anti-side pier body combined type building enclosure in a wide range of excavation of foundation pit according to claim 1, it is characterised in that: Anti-side pier body (1) sets a row more oblique stakes (4) being parallel to each other towards foundation pit side.
3. the anti-side pier body combined type building enclosure in a wide range of excavation of foundation pit according to claim 1, it is characterised in that: Anti-side pier body (1) sets multiple rows of mutual parallel oblique stake (4) towards foundation pit side.
4. the anti-side pier body combined type building enclosure in a wide range of excavation of foundation pit according to claim 2, it is characterised in that: Oblique stake (4) positioned at the oblique stake of a row (4) two sides is to extending out in toed-out shape.
5. the anti-side pier body combined type building enclosure in a wide range of excavation of foundation pit according to claim 1, it is characterised in that: When excavation of foundation pit is deeper, anti-side pier body combined type building enclosure is two layers or more, and oblique stake (4) sequentially passes through each layer pier body pressure Top plate (6);Top beam and waling beam is respectively laminated between pier body to connect with each layer pier body coping.
6. the anti-side pier body combined type building enclosure in a wide range of excavation of foundation pit according to claim 5, it is characterised in that: Capping beam (3) and waling beam are truss structure.
7. the anti-side pier body combined type building enclosure in a wide range of excavation of foundation pit according to claim 5, it is characterised in that: Each anti-side pier body (1) is connected by capping beam (3) with each layer waling beam combination arc shaped prestressed stretch-draw steel truss.
CN201310340059.0A 2013-08-05 2013-08-05 Anti-side pier body combined type building enclosure in a wide range of excavation of foundation pit Active CN103485348B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310340059.0A CN103485348B (en) 2013-08-05 2013-08-05 Anti-side pier body combined type building enclosure in a wide range of excavation of foundation pit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310340059.0A CN103485348B (en) 2013-08-05 2013-08-05 Anti-side pier body combined type building enclosure in a wide range of excavation of foundation pit

Publications (2)

Publication Number Publication Date
CN103485348A CN103485348A (en) 2014-01-01
CN103485348B true CN103485348B (en) 2019-01-01

Family

ID=49825903

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310340059.0A Active CN103485348B (en) 2013-08-05 2013-08-05 Anti-side pier body combined type building enclosure in a wide range of excavation of foundation pit

Country Status (1)

Country Link
CN (1) CN103485348B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105544558A (en) * 2016-01-08 2016-05-04 上海岩土工程勘察设计研究院有限公司 Design method for vertical type foundation pit supporting structure
CN106638620A (en) * 2017-01-20 2017-05-10 福建省建筑设计研究院 Prefabricated foundation pit support structure and construction method thereof
CN110512643A (en) * 2018-05-22 2019-11-29 佛山市嘉实和生物科技有限公司 A kind of anti-collapse combination unit of ground

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101220594A (en) * 2007-11-30 2008-07-16 苏州二建建筑集团有限公司 Building foundation pit supporting construction

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT341437B (en) * 1974-12-19 1978-02-10 Muller Ludwig Dr Ing STEEL CONNECTOR FOR CONNECTING A FLOOR ANCHOR
CN101864773B (en) * 2010-04-14 2011-11-30 江苏江中集团有限公司 Deep foundation pit support process
CN102561363A (en) * 2012-02-08 2012-07-11 上海强劲地基工程股份有限公司 Prestressed gravity type cement parapet wall and construction method thereof
CN103074899B (en) * 2013-01-18 2014-12-24 周文松 Subdepot pier-type foundation pit support structure and construction method
CN203429640U (en) * 2013-08-05 2014-02-12 杭州南联土木工程科技有限公司 Enclosure structure for large-range underground engineering foundation pit excavation project

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101220594A (en) * 2007-11-30 2008-07-16 苏州二建建筑集团有限公司 Building foundation pit supporting construction

Also Published As

Publication number Publication date
CN103485348A (en) 2014-01-01

Similar Documents

Publication Publication Date Title
CN108868778B (en) Non-excavation construction method for large underground structure
CN105155554B (en) A kind of deep basal pit of arching system
CN105089061B (en) Ultra-deep foundation pit supporting method
CN103938634B (en) A kind of deep foundation pit supporting structure and construction method
CN202672093U (en) Anchoring type dock wall structure of sheet-pile wall
CN105464134B (en) Multi-layer underground space is along inverse combining construction method and supporting construction under existing facility
CN103306289A (en) Foundation pit piled anchor dado concrete anchor cable top beam structure and construction method thereof
CN206706772U (en) A kind of double steel sheet pile supporting construction
CN103485348B (en) Anti-side pier body combined type building enclosure in a wide range of excavation of foundation pit
CN105350503B (en) A kind of underground workshop factory becomes access tunnel structure and its construction method
CN103850692A (en) Shield construction protection method for annular flyover
CN203429640U (en) Enclosure structure for large-range underground engineering foundation pit excavation project
US20230349291A1 (en) System and construction method of single-layer lining tunnel structure based on mine-tunnelling method
CN110761329B (en) Segmented construction method for mud-water balance open caisson station in soft soil area
CN203080536U (en) Foundation pit guard structure
CN112796763A (en) Deep underground tunnel ventilation shaft supporting construction
CN202273233U (en) Deep foundation pit of three-dimensional garage
CN107326896A (en) One kind combination steel construction support pile and construction method
CN110735641A (en) Construction method of transfer passage of underpass pipeline
CN216765941U (en) Tunnel decompression load shedding structure under bias voltage state
CN203373753U (en) Pile anchor retaining wall concrete anchor cable top beam structure of foundation ditches
CN201078234Y (en) Integral hydraulic pressure steel sheet piling curtain of vertical shaft construction overflowing sand bed
CN203821399U (en) Deep foundation pit supporting structure
CN110805049A (en) Construction method of mountain slope ultra-thickness spray anchor permanent supporting structure
CN105113513A (en) Anti-seepage foundation pit supporting structure and construction method

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 310000 16, B block, Rubo International Building, 673, Xihu District, Hangzhou, Zhejiang.

Patentee after: Zhejiang NANLIAN Civil Engineering Technology Co.,Ltd.

Patentee after: Yan Ping

Address before: 310000 16, B block, Rubo International Building, 673, Xihu District, Hangzhou, Zhejiang.

Patentee before: HANGZHOU NANLIAN CIVIL ENGINEERING TECHNOLOGY Co.,Ltd.

Patentee before: Yan Ping