CN103205970B - Foundation pit enclosure supporting plate structure - Google Patents
Foundation pit enclosure supporting plate structure Download PDFInfo
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- CN103205970B CN103205970B CN201210012318.2A CN201210012318A CN103205970B CN 103205970 B CN103205970 B CN 103205970B CN 201210012318 A CN201210012318 A CN 201210012318A CN 103205970 B CN103205970 B CN 103205970B
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- foundation pit
- concrete slab
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- slab body
- bracing
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Abstract
The invention discloses a foundation pit enclosure supporting plate structure, which comprises a concrete slab body (300) and two groups of horizontal steel bars (310 and 320) which are embedded on the upper part and the lower part of the concrete slab body (300) and are parallel, wherein one ends of the two groups of horizontal steel bars are directly anchored into a cellar structure (200); and the two groups of horizontal steel bars (310 and 320) which are embedded on the upper part and the lower part of the concrete slab body (300) are crossed before anchoring into the cellar structure (200) and are directly anchored into the cellar structure (200). The foundation pit enclosure supporting plate structure has the advantages that the connecting rigidity of a support replacement plate and the cellar structure is weakened and the stress state of the support replacement plate is improved.
Description
Technical field
the present invention relates to technical field of buildings, be specifically related to a kind of bracing of foundation pit fagging structure.
Background technology
in bracing of foundation pit in support replacement plate method, the method that support replacement slab muscle is connected with fender post (wall), commonly uses as adopting chemically-planted steel bar method to anchor into 15d in fender post or enclosure wall, i.e. 15 times of bar diameter length; The method be connected with agent structure, commonly uses as adopting embedded bar method directly to anchor into La certain length in basement structure.This fagging structure causes fender post or enclosure wall reinforcement planting quantity a lot, and cost is higher; Support replacement plate is to the effect of basement structure Constrained simultaneously, changes support replacement plate stress, also easily causes support replacement plank split.
Summary of the invention
technical problem to be solved by this invention is that the bracing of foundation pit middle supporting plate cost overcoming prior art is high, the problem of technical sophistication, one is provided to facilitate support replacement plate to construct, simplify support replacement plate stressed, guarantee its actual loading and design the bracing of foundation pit fagging structure conformed to.
in order to solve these problems of the prior art, technical scheme provided by the invention is: bracing of foundation pit fagging structure, comprise concrete slab body, be embedded in laterally two groups of reinforcing bars of the upper and lower of concrete slab body respectively, and described transverse direction two groups of reinforcing bar one end directly anchor into basement structure, it is characterized in that, described in be embedded in the upper and lower of concrete slab body transverse direction two groups of reinforcing bars intersected before anchoring into basement structure, and then directly anchor into basement structure.
preferably, the angle of laterally two groups of reinforcing bar intersections of described upper and lower is preferably 45 degree, and directly anchors into the preferred 15cm ~ 25cm of basement structure length.
preferably, establish in the middle part of concrete slab body one with the oblique lacing wire of reinforcement welding in fender post or enclosure wall.
preferably, described oblique lacing wire and described concrete slab body angle are preferably 45 degree.
preferably, described oblique lacing wire extend to straight down in concrete slab body nearly bottom again horizontal direction towards fender post or enclosure wall bending.
preferably, and the other end of laterally two groups of reinforcing bars of described upper and lower do not anchor in fender post or enclosure wall.
the advantage of foundation pit enclosure structure of the present invention is:
1. bracing of foundation pit fagging structure of the present invention, the mode that its fagging reinforcing bar is connected with fender post (wall) is: by stake (wall) interior chemically-planted steel bar, changes the oblique lacing wire arranged with stake (wall) interior reinforcement welding into, carries out support replacement plate and fender post (wall); The mode that its fagging reinforcing bar is connected with basement structure is: by the reinforcing bar of pre-buried level, changes the reinforcing bar of pre-buried diagonal cross into, weakens the coupling stiffness of support replacement plate and basement structure, improves support replacement plate stress.
2. adopt bracing of foundation pit fagging structure of the present invention, the support replacement duration of a project at least 20% can be saved, save support replacement construction costs at least 15%.
Accompanying drawing explanation
below in conjunction with drawings and Examples, the invention will be further described:
fig. 1 is the bracing of foundation pit fagging structural representation of prior art;
fig. 2 is the schematic diagram of bracing of foundation pit fagging structure of the present invention.
wherein, 100 is fender post or enclosure wall, 200 is basement structure, 300 is concrete slab body, 310 be (in concrete slab body) upper lateral reinforcing bar, 320 be (in concrete slab body) lower, transverse reinforcing bar, 303 are and above-mentioned two groups of longitudinal reinforcements that transverse reinforcement is vertical, 330 is oblique lacing wire, and 331 is the bending part of oblique lacing wire in concrete slab.
Detailed description of the invention
below in conjunction with specific embodiment, such scheme is described further.Should be understood that these embodiments are not limited to for illustration of the present invention limit the scope of the invention.The implementation condition adopted in embodiment can do further adjustment according to the condition of concrete producer, and not marked implementation condition is generally the condition in normal experiment.
bracing of foundation pit fagging structure, comprise concrete slab body, be embedded in laterally two groups of reinforcing bars 310,320 of the upper and lower of concrete slab body 300 respectively, also comprise the longitudinally two group reinforcing bars 303 vertical with above-mentioned two groups of transverse reinforcements, and described transverse direction two groups of reinforcing bar one end directly anchor into basement structure 200, the described transverse direction two groups of reinforcing bars 310,320 being embedded in the upper and lower of concrete slab body 300 intersected before anchoring into basement structure 200, and then directly anchored into basement structure 300; An oblique lacing wire 330 of welding with reinforcing bar 110 in fender post or enclosure wall 100 is established in the middle part of concrete slab body 300, and the other end of laterally two groups of reinforcing bars 310,320 of described upper and lower does not anchor in fender post or enclosure wall, which saves support replacement engineering time and cost.
in one embodiment of the invention, the angle of laterally two groups of reinforcing bar 310,320 intersections of upper and lower is preferably 45 degree, and directly anchors into the preferred 15cm ~ 25cm of basement structure length.Oblique lacing wire 330 and described concrete slab body 300 angle are preferably 45 degree.
in a preferred embodiment of the present invention, described oblique lacing wire 330 extend to straight down in concrete slab body 300 nearly bottom again horizontal direction bend towards fender post or enclosure wall 100.
more than show and describe general principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and manual just illustrates principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the invention.
Claims (6)
1. bracing of foundation pit fagging structure, comprise concrete slab body (300), be embedded in laterally two groups of reinforcing bars (310,320) that the upper and lower of concrete slab body (300) is parallel respectively, and described transverse direction two groups of reinforcing bar one end directly anchor into basement structure (200), it is characterized in that, the described laterally two groups of reinforcing bars (310,320) being embedded in the upper and lower of concrete slab body (300) were intersected before anchoring into basement structure (200), and then directly anchored into basement structure (200).
2. bracing of foundation pit fagging structure as claimed in claim 1, is characterized in that, the angle that horizontal two groups of reinforcing bars (310,320) of described upper and lower are intersected is 45 degree, and directly anchors into basement structure length 15cm ~ 25cm.
3. bracing of foundation pit fagging structure as claimed in claim 1, it is characterized in that, establish an oblique lacing wire (330) of welding with the interior reinforcing bar (110) of fender post or enclosure wall (100) at concrete slab body (300) middle part.
4. bracing of foundation pit fagging structure as claimed in claim 3, it is characterized in that, described oblique lacing wire (330) and described concrete slab body (300) angle are 45 degree.
5. bracing of foundation pit fagging structure as claimed in claim 3, it is characterized in that, described oblique lacing wire (330) extend to straight down in concrete slab body (300) nearly bottom again horizontal direction towards fender post or enclosure wall (100) bending.
6. bracing of foundation pit fagging structure as claimed in claim 1, is characterized in that, the other end of laterally two groups of reinforcing bars (310,320) of described upper and lower does not anchor in fender post or enclosure wall (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210012318.2A CN103205970B (en) | 2012-01-16 | 2012-01-16 | Foundation pit enclosure supporting plate structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210012318.2A CN103205970B (en) | 2012-01-16 | 2012-01-16 | Foundation pit enclosure supporting plate structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103205970A CN103205970A (en) | 2013-07-17 |
| CN103205970B true CN103205970B (en) | 2015-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210012318.2A Active CN103205970B (en) | 2012-01-16 | 2012-01-16 | Foundation pit enclosure supporting plate structure |
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| CN (1) | CN103205970B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105442616B (en) * | 2015-11-27 | 2017-03-22 | 武汉一冶建筑安装工程有限责任公司 | Support replacing method for bottom plate of mucky soil layer foundation pit in deep foundation pit supporting construction |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060023915A (en) * | 2004-09-11 | 2006-03-15 | 주식회사 에스밸류엔지니어링 | Method for constructing underground slabs and walls using erection piles without preliminary wall-attached supports |
| CN201746839U (en) * | 2010-06-13 | 2011-02-16 | 中建三局建设工程股份有限公司 | Low-environment-disturbance device for removing supports from foundation pit |
| CN201809774U (en) * | 2010-09-16 | 2011-04-27 | 中建三局建设工程股份有限公司 | Foundation ditch support replacement and inner support removal construction structure |
| CN202482874U (en) * | 2012-01-16 | 2012-10-10 | 苏州设计研究院股份有限公司 | Foundation pit support bracing plate structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61294024A (en) * | 1985-06-19 | 1986-12-24 | Takenaka Komuten Co Ltd | Construction work for underground structure in boundary of site |
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2012
- 2012-01-16 CN CN201210012318.2A patent/CN103205970B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060023915A (en) * | 2004-09-11 | 2006-03-15 | 주식회사 에스밸류엔지니어링 | Method for constructing underground slabs and walls using erection piles without preliminary wall-attached supports |
| CN201746839U (en) * | 2010-06-13 | 2011-02-16 | 中建三局建设工程股份有限公司 | Low-environment-disturbance device for removing supports from foundation pit |
| CN201809774U (en) * | 2010-09-16 | 2011-04-27 | 中建三局建设工程股份有限公司 | Foundation ditch support replacement and inner support removal construction structure |
| CN202482874U (en) * | 2012-01-16 | 2012-10-10 | 苏州设计研究院股份有限公司 | Foundation pit support bracing plate structure |
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| CN103205970A (en) | 2013-07-17 |
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Address after: 215021 Suzhou Industrial Park, Jiangsu Xinghai street, No. 9 Patentee after: Design group Limited by Share Ltd Address before: 215021 Suzhou Industrial Park, Jiangsu Xinghai street, No. 9 Patentee before: Suzhou Institute of Architectural Design Co., Ltd. |