CN204825921U - Excavation supporting system - Google Patents
Excavation supporting system Download PDFInfo
- Publication number
- CN204825921U CN204825921U CN201520479161.3U CN201520479161U CN204825921U CN 204825921 U CN204825921 U CN 204825921U CN 201520479161 U CN201520479161 U CN 201520479161U CN 204825921 U CN204825921 U CN 204825921U
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- China
- Prior art keywords
- pile
- foundation pit
- foundation ditch
- soldier
- support system
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Abstract
The utility model discloses an excavation supporting system, include: supporting construction is including arranging in many spinal branchs fender pile of foundation ditch lateral wall department and locating many the top of fender pile enclose the purlin roof beam, consolidate the stake, the anchor is in the soil body in the foundation ditch outside, and drawknot spare, connect in fender pile with consolidate between the stake. The utility model discloses an excavation supporting system is through locating to set up by a fender pile and enclosing the supporting construction that the combination of purlin roof beam formed at the foundation ditch side wall, it consolidates the stake to set up in the soil body in the foundation ditch outside again, adopt the taut fender pile of drawknot spare and reinforce the stake, can form double row pile's the form of strutting, the supporting intensity and the support rigidity of foundation ditch lateral wall have been improved, can reduce the foundation ditch warp, and it sets up in the foundation ditch outside to consolidate the stake, can not occupy the construction space in the foundation ditch, should not adopt interior reinforced (rfd) circumstances that supports in can solving the excavation supporting engineering.
Description
Technical field
The utility model relates to engineering construction field, particularly relates to a kind of foundation pit support system.
Background technology
In design of foundation pit and work progress, more and more higher to the safety requirements of pattern foundation pit supporting structure, the foundation pit deformation value of permission is less, and inner support should not be adopted in some foundation pit supporting projects to reinforce, and traditional single steel sheet pile support form cannot meet the demands.Therefore, need to provide a kind of novel pattern foundation pit supporting structure form, to solve the problem of site condition restriction in foundation ditch.
Utility model content
Technical problem to be solved in the utility model is to provide and a kind ofly can reduces foundation pit deformation and not take the foundation pit support system of construction space in foundation ditch.
For realizing above-mentioned technique effect, the utility model discloses a kind of foundation pit support system, comprising:
Supporting and protection structure, what comprise the many soldier piles being arranged in foundation pit side-wall place and the top being located at many described soldier piles encloses purlin beam;
Reinforcing pile, is anchored in the soil body outside foundation ditch; And
Tension member, is connected between described soldier pile and described reinforcing pile.
The utility model further improves and is, described in enclose purlin beam is arranged at described soldier pile side top by backing plate, the both sides of described backing plate are connected with described soldier pile and the described purlin beam that encloses respectively.
The utility model further improves and is, arranges described backing plate every a segment distance at described soldier pile and described enclosing between purlin beam.
The utility model further improves and is, described soldier pile adopts Lashen IV type steel plate to make, described in enclose purlin beam and adopt H profile steel to make, described backing plate adopts steel plate to make, and the both sides of described backing plate are connected with described soldier pile and the described purlin beam that encloses respectively by welding.
The utility model further improves and is, described tension member is wire rope, is connected to the top of described soldier pile and described reinforcing pile.
The utility model further improves and is, the top of described soldier pile is provided with perforation, the first end of described wire rope is through described perforation and enclose purlin beam described in walking around, and enclosing purlin beam described in being clamped on by buckle, the second end of described wire rope is walked around described reinforcing pile and is clamped on described reinforcing pile by buckle.
The utility model further improves and is, described wire rope adopts the steel wire combination of two Φ 14mm to form.
The utility model further improves and is, described reinforcing pile and described soldier pile be arranged in parallel, and described reinforcing pile adopts three Lashen IV type steel plate combination to form.
The utility model, owing to have employed above technical scheme, makes it have following beneficial effect:
By arranging at foundation ditch side wall place by soldier pile and enclosing the supporting and protection structure that purlin beam combines, in the soil body again outside foundation ditch, reinforcing pile is set, adopt tension member tension soldier pile and reinforcing pile, the support form of double-row pile can be formed, improve supporting intensity and the support rigidity of foundation pit side-wall, can foundation pit deformation be reduced, and reinforcing pile is arranged on outside foundation ditch, the construction space in foundation ditch can not be taken, the situation that inner support should not be adopted to reinforce can be solved in foundation pit supporting project.
Accompanying drawing explanation
Fig. 1 is the facade structures schematic diagram of foundation pit support system of the present utility model.
Fig. 2 is the plane structure schematic diagram of foundation pit support system of the present utility model.
Detailed description of the invention
Below in conjunction with the drawings and the specific embodiments, the utility model is described in further detail.
Consult shown in Fig. 1 and Fig. 2, a kind of foundation pit support system of the present utility model mainly comprises at the supporting and protection structure of foundation ditch 21 side-walls, the reinforcing pile 11 outside foundation ditch 21 and the tension member 12 that is connected between supporting and protection structure and reinforcing pile 11.
Wherein, supporting and protection structure is made up of the purlin beam 132 that encloses at the many soldier piles 131 being arranged in foundation ditch 21 side-walls and the top of being located at many soldier piles 131 further, in the present embodiment, soldier pile 131 adopt Lashen IV type steel plate make (dimensions of Lashen IV type steel plate is 400mm × 170mm × 15.5nn; Proportion is 76.1kg/m; Modulus of section is 2270cm
3/ m), enclose purlin beam 132 and adopt the H profile steel of 250mm × 250mm to make, enclose the side top that purlin beam 132 is arranged on soldier pile 131, make many soldier piles 131 keep the flat shape of assembling to connect in aggregates, to guarantee the Rigidity and strength of supporting and protection structure.
The side of soldier pile 131 and enclose between purlin beam 132 and be provided with backing plate 14, as shown in Figure 2, and will enclose purlin beam 132 by this backing plate 14 and be fixedly connected on soldier pile 131.Backing plate 14 adopts long 100mm, high 100mm, the steel plate of thick 10mm is made, at soldier pile 131 and the distance of to enclose between purlin beam 132 every 1m every other month, one piece of backing plate 14 is set, and adopt the mode of welding respectively by the both sides of backing plate 14 and soldier pile 131 with enclose purlin beam 132 and weld, thus be fixedly connected with soldier pile 131 by backing plate 14 and enclose purlin beam 132, form complete supporting and protection structure, be close to also supporting in the sidewall of foundation ditch 21.
Reinforcing pile 11 is anchored in the soil body 22 outside basis 21, three Lashen IV type steel plate combination are adopted to form, there is larger Rigidity and strength, and keep setpoint distance between reinforcing pile 11 and soldier pile 131 and arranged in parallel, be driven in the soil body 22 outside foundation ditch 21 by the mode of piling.
Tension member 12 is the wire rope of the steel wire combination of employing two Φ 14mm, this wire rope draw be located at soldier pile 131 between top and the top of reinforcing pile 11.The top of soldier pile 131 is provided with perforation, the perforation that the first end 121 of wire rope is offered through soldier pile 131 top and walk around soldier pile 131 top enclose purlin beam 132, and be clamped on by buckle and enclose purlin beam, second end 122 of wire rope is walked around reinforcing pile 11 and is clamped on reinforcing pile 11 by buckle, thus formed between soldier pile 131 and reinforcing pile 11 drawing, utilize reinforcing pile 11 to carry out tension from the outside of foundation ditch 21 to the soldier pile 131 being positioned at foundation ditch 21 side-walls to reinforce, prevent soldier pile 131 from toppling to the inside of foundation ditch 21, guarantee support rigidity and the supporting intensity of foundation ditch 21 sidewall.
Below the construction method of foundation pit support system of the present utility model, specific as follows:
1, measurement and positioning
After levelling of the land, be positioned at the soldier pile 131 at foundation pit side-wall place according to the measuring of coordinate control point and be positioned at the position of the reinforcing pile 11 outside foundation ditch;
2, construction supporting stake 131 and reinforcing pile 11
Soldier pile 131 and reinforcing pile 11 are gloomy steel IV shaped steel plate pile, all adopt special-purpose machinery (the providing vibration hammer for oneself) injection of special injection Larsen steel sheet pile, the center line of soldier pile 131 and reinforcing pile 11 accurately conscientiously must be released before injection, depth of drive should meet designing requirement, squeeze into precision for what ensure soldier pile 131 and reinforcing pile 11, reach the last and set up leading truck;
3, pit earthwork is excavated to the bottom position enclosing purlin beam 132, and then purlin beam 132 is enclosed in construction
After soldier pile 131 and reinforcing pile 11 injection complete, in foundation ditch, soil excavation is to enclosing at the bottom of purlin, then purlin beam 132 is enclosed in construction, enclosing purlin beam 132 adopts the H profile steel of 250mm × 250mm to make, enclosing between purlin beam 132 and soldier pile 131 adopts by long 100mm every 1m, backing plate 14 two-sided welding that the steel plate of high 100mm, thick 10mm is made connects;
4, construction post-tensioning tension member 12
Post-tensioning tension member 12 is the wire rope of the steel wire combination of employing two Φ 14mm, and punching at the top of soldier pile 131 makes steel wire penetrating, and wire rope adopts buckle to fix after walking around and enclosing purlin beam 132 and reinforcing pile 11, is formed drawing, must tension during fixing wire rope.
Foundation pit support system of the present utility model is by arranging at foundation ditch 21 side wall place by soldier pile 131 and enclosing the supporting and protection structure that purlin beam 132 combines, in the soil body 22 again outside foundation ditch 21, reinforcing pile 11 is set, tension member 12 is adopted to strain soldier pile 131 and reinforcing pile 11, the support form of double-row pile can be formed, improve supporting intensity and the support rigidity of foundation ditch 21 sidewall, foundation pit deformation can be reduced, and reinforcing pile 11 is arranged on outside foundation ditch 21, the construction space in foundation ditch can not be taken, the situation that inner support should not be adopted to reinforce can be solved in foundation pit supporting project.
Below by reference to the accompanying drawings and embodiment the utility model has been described in detail, those skilled in the art can make many variations example to the utility model according to the above description.Thus, some details in embodiment should not formed restriction of the present utility model, the utility model by the scope that defines using appended claims as protection domain of the present utility model.
Claims (8)
1. a foundation pit support system, is characterized in that, comprising:
Supporting and protection structure, what comprise the many soldier piles being arranged in foundation pit side-wall place and the top being located at many described soldier piles encloses purlin beam;
Reinforcing pile, is anchored in the soil body outside foundation ditch; And
Tension member, is connected between described soldier pile and described reinforcing pile.
2. foundation pit support system as claimed in claim 1, is characterized in that: described in enclose purlin beam is arranged at described soldier pile side top by backing plate, the both sides of described backing plate are connected with described soldier pile and the described purlin beam that encloses respectively.
3. foundation pit support system as claimed in claim 2, is characterized in that: arrange described backing plate every a segment distance at described soldier pile and described enclosing between purlin beam.
4. foundation pit support system as claimed in claim 3, it is characterized in that: described soldier pile adopts Lashen IV type steel plate to make, the described purlin beam that encloses adopts H profile steel to make, and described backing plate adopts steel plate to make, and the both sides of described backing plate are connected with described soldier pile and the described purlin beam that encloses respectively by welding.
5. foundation pit support system as claimed in claim 1, is characterized in that: described tension member is wire rope, is connected to the top of described soldier pile and described reinforcing pile.
6. foundation pit support system as claimed in claim 5, it is characterized in that: the top of described soldier pile is provided with perforation, the first end of described wire rope is through described perforation and enclose purlin beam described in walking around, and enclosing purlin beam described in being clamped on by buckle, the second end of described wire rope is walked around described reinforcing pile and is clamped on described reinforcing pile by buckle.
7. foundation pit support system as claimed in claim 6, is characterized in that: described wire rope adopts the steel wire combination of two Φ 14mm to form.
8. foundation pit support system as claimed in claim 1, it is characterized in that: described reinforcing pile and described soldier pile be arranged in parallel, described reinforcing pile adopts three Lashen IV type steel plate combination to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520479161.3U CN204825921U (en) | 2015-07-06 | 2015-07-06 | Excavation supporting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520479161.3U CN204825921U (en) | 2015-07-06 | 2015-07-06 | Excavation supporting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204825921U true CN204825921U (en) | 2015-12-02 |
Family
ID=54683537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520479161.3U Expired - Fee Related CN204825921U (en) | 2015-07-06 | 2015-07-06 | Excavation supporting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204825921U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107542096A (en) * | 2017-08-29 | 2018-01-05 | 中国建筑第八工程局有限公司 | The supporting construction of dam body between a kind of Adjacent Pit |
| CN109610477A (en) * | 2019-01-31 | 2019-04-12 | 上海宝钢工程咨询有限公司 | Large area mud liquid soil layer foundation pit suspension supporting integrated construction structures and methods |
| CN111705809A (en) * | 2020-06-18 | 2020-09-25 | 深圳市蛇口招商港湾工程有限公司 | Deep foundation pit construction structure and deep foundation pit construction method |
| CN113123346A (en) * | 2021-04-16 | 2021-07-16 | 中国建筑第八工程局有限公司 | Fabricated anchor pulling node between support pile and wall section steel and construction method thereof |
| CN113981983A (en) * | 2021-10-19 | 2022-01-28 | 中国化学工程第十六建设有限公司 | Foundation pit support-free supporting structure and method |
| CN115162362A (en) * | 2022-08-24 | 2022-10-11 | 襄工建设集团有限公司 | Construction method for shallow foundation reinforcement |
-
2015
- 2015-07-06 CN CN201520479161.3U patent/CN204825921U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107542096A (en) * | 2017-08-29 | 2018-01-05 | 中国建筑第八工程局有限公司 | The supporting construction of dam body between a kind of Adjacent Pit |
| CN109610477A (en) * | 2019-01-31 | 2019-04-12 | 上海宝钢工程咨询有限公司 | Large area mud liquid soil layer foundation pit suspension supporting integrated construction structures and methods |
| CN111705809A (en) * | 2020-06-18 | 2020-09-25 | 深圳市蛇口招商港湾工程有限公司 | Deep foundation pit construction structure and deep foundation pit construction method |
| CN113123346A (en) * | 2021-04-16 | 2021-07-16 | 中国建筑第八工程局有限公司 | Fabricated anchor pulling node between support pile and wall section steel and construction method thereof |
| CN113981983A (en) * | 2021-10-19 | 2022-01-28 | 中国化学工程第十六建设有限公司 | Foundation pit support-free supporting structure and method |
| CN113981983B (en) * | 2021-10-19 | 2023-05-02 | 中国化学工程第十六建设有限公司 | Foundation pit support-free supporting structure and method |
| CN115162362A (en) * | 2022-08-24 | 2022-10-11 | 襄工建设集团有限公司 | Construction method for shallow foundation reinforcement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20200706 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |