CN106320345A - Foundation pit support structure - Google Patents
Foundation pit support structure Download PDFInfo
- Publication number
- CN106320345A CN106320345A CN201510372951.6A CN201510372951A CN106320345A CN 106320345 A CN106320345 A CN 106320345A CN 201510372951 A CN201510372951 A CN 201510372951A CN 106320345 A CN106320345 A CN 106320345A
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- CN
- China
- Prior art keywords
- anchor cable
- foundation pit
- rotary churning
- churning pile
- campshed
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Abstract
The invention provides a foundation pit support structure, and belongs to the technical field of foundation pit support. The foundation pit support structure comprises a plurality of row piles, a plurality of longitudinal structural components, and a plurality of jet grouting pile anchor cables, wherein the row piles are arranged on one side of a foundation pit in sequence and inserted into a soil layer, and the top ends of the row piles are connected through a top connecting structure; the longitudinal structural components are arranged on the sides, close to the foundation pit, of the row piles, each longitudinal structural component is connected with the row piles and provided with a plurality of anchor cable fixing positions, and each anchor cable fixing position is located between the two corresponding adjacent row piles; the jet grouting pile anchor cables are arranged on the sides, away from the foundation pit, of the row piles and all obliquely inserted into the soil layer; and each jet grouting pile anchor cable comprises a jet grouting pile body, an anchor cable body is arranged in each jet grouting pile body, and one end of each anchor cable body is connected with the corresponding anchor cable fixing position through a fixed connecting block. By the adoption of the foundation pit support structure, the safety requirement of excavation of the foundation pit can be effectively guaranteed, the arrangement space of the support structure is reduced, the excavation construction difficulty of the foundation pit is lowered, the construction schedule is accelerated, and the requirement for the engineering construction period is met.
Description
Technical field
The present invention relates to foundation pit enclosure technical field, particularly relate to a kind of foundation pit enclosure structure.
Background technology
Along with the fast development of modern city hydraulic engineering construction, increasing hydraulic engineering is built in the central city that building is intensive
District, owing to being limited by inhering architecture in city and normal activity, construction space is extremely limited, foundation pit enclosure structure
When design, construction, whole supporting construction safety in work progress should be ensured, again the deformation and around of control structure
The deformation of the soil body, to ensure the safety of surrounding buildings and underground utilities.Under secured premise, convenient construction again, shortens work
Phase.In this case, the most difficult construction requirement meeting deep basal pit of traditional foundation pit enclosure structure construction technology.
Summary of the invention
The shortcoming of prior art in view of the above, the technical problem to be solved in the present invention is to provide a kind of convenient construction, contracting
Casual labourer's phase, it is possible to effectively control structure deformation and the foundation pit enclosure structure of surrounding soil deformation.
In order to solve above-mentioned technical problem, the present invention provides a kind of foundation pit enclosure structure, including: it is arranged at the some of foundation ditch side
Root is successively along the campshed of linear array, and the bottom of described campshed is inserted in soil layer, and the top of described campshed is connected by top
Structure connects, and some described campshed intervals are arranged；Some longitudinal structural parts, are arranged at the close described foundation ditch of described campshed
Side, some described longitudinal structural parts are uniformly arranged from top to bottom, and structural member is all connected, often with some campsheds longitudinally in each
Longitudinal structural part described in root is provided with several anchor cable fixed positions, and each described anchor cable fixed position is in adjacent two described rows
Between Zhuan；Some rotary churning pile anchor cables, be arranged at described campshed away from described foundation ditch side, and homocline is inserted in described soil layer
In, described rotary churning pile anchor cable and described anchor cable fixed position one_to_one corresponding, adjacent two described rotary churning pile anchor cables are parallel；Every institute
State rotary churning pile anchor cable and include rotary churning pile body, this internal anchor cable body that is provided with of described rotary churning pile, one end of each described anchor cable body
Fix contiguous block by one to be connected with the anchor cable fixed position of described longitudinal structural part.
Preferably, described top attachment structure is concrete Guan Liang.
Preferably, described fixing contiguous block is steel waist rail or concrete breast beam.
Preferably, the stake footpath of the described rotary churning pile body of described rotary churning pile anchor cable is more than or equal to 500mm.
Preferably, the angle of inclination of described rotary churning pile anchor cable is 15 ° to 25 °.
As it has been described above, the foundation pit enclosure structure of the present invention, have the advantages that
The present invention can effectively ensure that the safety requirements of deep pit digging, reduces the arrangement space of building enclosure, reduces base
Hole excavation construction difficulty, accelerating construction progress, meet duration of a project requirement.
Accompanying drawing explanation
Fig. 1 is shown as the profile of the foundation pit enclosure structure of the present embodiment.
Fig. 2 is shown as the front view seen at foundation ditch of the foundation pit enclosure structure of the present embodiment.
Drawing reference numeral explanation
100 campsheds
200 top attachment structures
300 longitudinal structural parts
400 rotary churning pile anchor cables
410 rotary churning pile bodies
420 anchor cable bodies
500 fix contiguous block
The angle of inclination of α rotary churning pile anchor cable
Detailed description of the invention
By particular specific embodiment, embodiments of the present invention being described below, those skilled in the art can be taken off by this specification
The content of dew understands other advantages and effect of the present invention easily.
Refer to accompanying drawing.It should be clear that structure depicted in this specification institute accompanying drawings, ratio, size etc., the most only in order to coordinate
Content disclosed in bright book, understands for those skilled in the art and reads, being not limited to the enforceable restriction of the present invention
Condition, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size, at not shadow
Ring under the effect that can be generated by of the present invention and the purpose that can reach, all should still fall and can contain at disclosed technology contents
In the range of lid.Meanwhile, in this specification cited as " on ", D score, "left", "right", the use of " middle " and " one " etc.
Language, is merely convenient to understanding of narration, and is not used to limit the enforceable scope of the present invention, the change of its relativeness or tune
Whole, changing under technology contents without essence, when being also considered as the enforceable category of the present invention.
As depicted in figs. 1 and 2, Fig. 1 is shown as the profile of foundation pit enclosure structure of the present embodiment；Fig. 2 is shown as work people
The front view that member sees at foundation ditch.
The foundation pit enclosure structure of the present embodiment, including:
Be arranged at some of foundation ditch side successively along the campshed 100 of linear array, the bottom of campshed 100 is inserted in soil layer
In, the top of campshed 100 is connected by top attachment structure 200, and some campshed 100 intervals are arranged；
Some longitudinal structural parts 300, are arranged at the close foundation ditch side of campshed 100, and some longitudinal structural parts 300 are by upper
Being uniformly arranged under to, structural member 300 is all connected with some campsheds 100 longitudinally in each, and every longitudinal structural part 300 is provided with
Several anchor cable fixed positions, each anchor cable fixed position is between adjacent two campsheds 100；Some longitudinal structural parts
300 intervals are arranged, and the quantity of longitudinal structural part 300 can adjust according to foundation depth；
Some rotary churning pile anchor cables 400, be arranged at campshed 100 away from foundation ditch side, and homocline is inserted in soil layer, churning
Piled anchor rope 400 and anchor cable fixed position one_to_one corresponding, some rotary churning pile anchor cables 400 are arranged in several rows from top to bottom, adjacent
Two rotary churning pile anchor cables 400 are parallel；
Every rotary churning pile anchor cable 400 includes rotary churning pile body 410, is provided with anchor cable body 420, Mei Gemao in rotary churning pile body 410
One end of Suo Benti 420 is fixed contiguous block 500 by one and is connected with the anchor cable fixed position of longitudinal structural part 300, fixing connection
The quantity of block 500 is identical with the quantity of rotary churning pile anchor cable 400.
The top attachment structure 200 of the present invention makes some campsheds 100 of linear array be connected as an entirety；In order to make churning
Piled anchor rope 400 can be fixed with campshed 100 and be connected, and arranges some longitudinal structural parts 300, and structural member 300 is equal longitudinally in each
It is connected with some campsheds 100, makes longitudinal structural part 300 and campshed 100 be connected as an entirety；Each rotary churning pile anchor cable 400
One end stretched out from rotary churning pile body 410 of anchor cable body 420 through the interval adjacent two campsheds 100, anchor cable
One end of body 420 is fixed on the anchor cable fixed position of corresponding longitudinal structural part 300 by fixing contiguous block 500.
The rotary churning pile anchor cable 400 of the present invention is firmly connected with campshed 100 by longitudinal structural part 300, fixing contiguous block 500,
Between rotary churning pile anchor cable 400 and weak soil, anchor force is strong, it is possible to be effectively improved soil body physical and mechanical property.The structure of the present invention is existing
What effect ensure that deep pit digging goes along with sb. to guard him requirement, effectively shortens the duration, decreases again the arrangement space of building enclosure, reduces
Excavation difficulty.
Top attachment structure 200 is concrete Guan Liang.This structure ensure that concrete can be passed through in the top of some campsheds 100
Guan Liang is firmly coupled to each other.
Fixing contiguous block 500 is steel waist rail or concrete breast beam.This structure makes one end of anchor cable body 420 be connected by fixing
Block 500 is anchored on the anchor cable fixed position of longitudinal structural part 300, it is ensured that rotary churning pile anchor cable 400 is with longitudinal structural part 300 even
Connect firm.
The stake footpath of the rotary churning pile body 410 of rotary churning pile anchor cable 400 is more than or equal to 500mm.Stake footpath due to rotary churning pile body 410
Relatively big, make rotary churning pile anchor cable 400 can be supplied to anchor between the pulling force that campshed 100 is stable, and rotary churning pile body 410 and weak soil
Gu power strengthens.
The tilt angle alpha of rotary churning pile anchor cable 400 is 15 ° to 25 °.The angle of inclination of rotary churning pile anchor cable 400 is configured such that this knot
Structure stress is optimal.
During the structure construction of the present invention, first construction campshed 100 and top attachment structure 200, carry out part excavation of foundation pit, execute
Work rotary churning pile anchor cable 400；Anchor cable body 420 is arranged in rotary churning pile body 410, the axis of anchor cable body 420 and rotation
The axis conllinear of spray stake body 410, this structure makes rotary churning pile anchor cable 400 can be supplied to the pulling force that campshed 100 is stable；When
After rotary churning pile anchor cable 400 reaches design age, longitudinal structural part 300 is installed on campshed 100, rotary churning pile anchor cable 400
Anchor cable body 420 is locked by fixing contiguous block 500 with longitudinal structural part 300, carries out opening of foundation soil below foundation ditch subsequently
Dig work.
The present invention has following technical effect that
1, foundation pit enclosure structure of the present invention, can strengthen anchor force between anchor cable body 420 and weak soil, can meet again deep basal pit and open
That digs goes along with sb. to guard him requirement；
2, building enclosure of the present invention, it is possible to the degree of depth being suitable for excavation of foundation pit is big, reduces the arrangement space of building enclosure, alternative
Traditional to support structure, reduce again excavation difficulty, be particularly suited for periphery situation complicated, to support supporting construction cloth
Put limited situation；
3, compared with traditional foundation pit enclosure structure arrangement and method for construction, it is interior to support body architecture that the present invention can be not provided with foundation ditch, in foundation ditch
The increase of construction space, is greatly improved excavation of foundation pit efficiency, provides more rich space for later stage main structure construction；With
Time the expense of temporary project measure when construction is greatly reduced, reduce construction cost；
To sum up, one foundation pit enclosure structure of the present invention can reduce deep pit digging and go along with sb. to guard him difficulty of construction, and building enclosure is greatly shortened
Construction period, effectively solve a deep foundation pit construction excavation difficult problem.The present invention effectively overcomes various shortcoming of the prior art and has height
Degree industrial utilization.
The principle of above-described embodiment only illustrative present invention and effect thereof, not for limiting the present invention.Any it is familiar with this skill
Above-described embodiment all can be modified under the spirit and the scope of the present invention or change by the personage of art.Therefore, such as
All that in art, tool usually intellectual is completed under without departing from disclosed spirit and technological thought etc.
Effect is modified or changes, and must be contained by the claim of the present invention.
Claims (5)
1. a foundation pit enclosure structure, it is characterised in that including:
It is arranged at some of foundation ditch side successively along the campshed (100) of linear array, the bottom insertion of described campshed (100)
In soil layer, the top of described campshed (100) is connected by top attachment structure (200), some described campsheds (100)
Interval is arranged；
Some longitudinal structural parts (300), are arranged at the close described foundation ditch side of described campshed (100), and some described vertical
Being uniformly arranged from top to bottom to structural member (300), structural member (300) is all with some campsheds (100) even longitudinally in each
Connecing, every described longitudinal structural part (300) is provided with several anchor cable fixed positions, at each described anchor cable fixed position
Between adjacent two described campsheds (100)；
Some rotary churning pile anchor cables (400), be arranged at described campshed (100) away from described foundation ditch side, and homocline is inserted in
In described soil layer, described rotary churning pile anchor cable (400) and described anchor cable fixed position one_to_one corresponding, adjacent two described churnings
Piled anchor rope (400) is parallel；
Every described rotary churning pile anchor cable (400) includes rotary churning pile body (410), is provided with anchor in described rotary churning pile body (410)
Suo Benti (420), contiguous block (500) and described longitudinal direction are fixed by one in one end of each described anchor cable body (420)
The anchor cable fixed position of structural member (300) connects.
Foundation pit enclosure structure the most according to claim 1, it is characterised in that: described top attachment structure (200) is concrete
Guan Liang.
Foundation pit enclosure structure the most according to claim 1, it is characterised in that: described fixing contiguous block (500) be steel waist rail or
Person's concrete breast beam.
Foundation pit enclosure structure the most according to claim 1, it is characterised in that: the described churning of described rotary churning pile anchor cable (400)
The stake footpath of stake body (410) is more than or equal to 500mm.
Foundation pit enclosure structure the most according to claim 1, it is characterised in that: the angle of inclination of described rotary churning pile anchor cable (400)
It it is 15 ° to 25 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510372951.6A CN106320345A (en) | 2015-06-30 | 2015-06-30 | Foundation pit support structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510372951.6A CN106320345A (en) | 2015-06-30 | 2015-06-30 | Foundation pit support structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106320345A true CN106320345A (en) | 2017-01-11 |
Family
ID=57722494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510372951.6A Pending CN106320345A (en) | 2015-06-30 | 2015-06-30 | Foundation pit support structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN106320345A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101050632A (en) * | 2007-05-18 | 2007-10-10 | 北京建工集团有限责任公司 | Prestressed wale dismantling and replacing structure and method |
| CN101560771A (en) * | 2009-05-11 | 2009-10-21 | 周治国 | Reclaimable foundation pit bracing system and construction method thereof |
| CN101560770A (en) * | 2008-04-15 | 2009-10-21 | 广东省六建集团有限公司 | Novel deep building foundation pit supporting system |
| CN101748758A (en) * | 2008-12-04 | 2010-06-23 | 中国二十冶建设有限公司 | Timbering method of foundation ditches for reforming on-line equipment foundations in factory buildings |
| CN102031784A (en) * | 2011-01-12 | 2011-04-27 | 陕西建工集团第六建筑工程有限公司 | Slope protection pile pouring and cable bolting construction method for deep foundation pit |
| KR20110068353A (en) * | 2009-12-16 | 2011-06-22 | 주식회사 삼우기초기술 | Transverse supporting apparatus for standing underground retaining walls being given the earth pressure of backfill |
| CN202401461U (en) * | 2011-12-01 | 2012-08-29 | 广东省基础工程公司 | Novel foundation pit shoring structure |
| CN102660955A (en) * | 2012-05-17 | 2012-09-12 | 上海强劲地基工程股份有限公司 | Quick construction method for foundation pit slope support |
| JP2013126921A (en) * | 2010-03-29 | 2013-06-27 | Nihon Yamamura Glass Co Ltd | Method for producing polarizing glass |
| CN204780941U (en) * | 2015-06-30 | 2015-11-18 | 上海勘测设计研究院有限公司 | Foundation ditch envelope |
-
2015
- 2015-06-30 CN CN201510372951.6A patent/CN106320345A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101050632A (en) * | 2007-05-18 | 2007-10-10 | 北京建工集团有限责任公司 | Prestressed wale dismantling and replacing structure and method |
| CN101560770A (en) * | 2008-04-15 | 2009-10-21 | 广东省六建集团有限公司 | Novel deep building foundation pit supporting system |
| CN101748758A (en) * | 2008-12-04 | 2010-06-23 | 中国二十冶建设有限公司 | Timbering method of foundation ditches for reforming on-line equipment foundations in factory buildings |
| CN101560771A (en) * | 2009-05-11 | 2009-10-21 | 周治国 | Reclaimable foundation pit bracing system and construction method thereof |
| KR20110068353A (en) * | 2009-12-16 | 2011-06-22 | 주식회사 삼우기초기술 | Transverse supporting apparatus for standing underground retaining walls being given the earth pressure of backfill |
| JP2013126921A (en) * | 2010-03-29 | 2013-06-27 | Nihon Yamamura Glass Co Ltd | Method for producing polarizing glass |
| CN102031784A (en) * | 2011-01-12 | 2011-04-27 | 陕西建工集团第六建筑工程有限公司 | Slope protection pile pouring and cable bolting construction method for deep foundation pit |
| CN202401461U (en) * | 2011-12-01 | 2012-08-29 | 广东省基础工程公司 | Novel foundation pit shoring structure |
| CN102660955A (en) * | 2012-05-17 | 2012-09-12 | 上海强劲地基工程股份有限公司 | Quick construction method for foundation pit slope support |
| CN204780941U (en) * | 2015-06-30 | 2015-11-18 | 上海勘测设计研究院有限公司 | Foundation ditch envelope |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170111 |