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 PDFInfo
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- 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
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- pier body
- foundation pit
- side pier
- stake
- building enclosure
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- 238000009412 basement excavation Methods 0.000 title claims abstract description 20
- 239000002689 soil Substances 0.000 claims abstract description 11
- 230000010485 coping Effects 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 12
- 238000006073 displacement reaction Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 4
- 239000011150 reinforced concrete Substances 0.000 description 4
- 239000002131 composite material Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
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- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Bridges Or Land Bridges (AREA)
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
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.
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 |
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| CN103485348A CN103485348A (en) | 2014-01-01 |
| CN103485348B true CN103485348B (en) | 2019-01-01 |
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| 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 |
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Families Citing this family (4)
| 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 |
| CN111472362B (en) * | 2020-05-23 | 2024-08-30 | 江苏地基工程有限公司 | Inclined support foundation pit supporting system and construction method |
Citations (1)
| 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 |
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| 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 |
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2013
- 2013-08-05 CN CN201310340059.0A patent/CN103485348B/en active Active
Patent Citations (1)
| 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 |
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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 |
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