CN203383220U - Foundation pit supporting structure capable of reducing horizontal deformation of double-row piles - Google Patents
Foundation pit supporting structure capable of reducing horizontal deformation of double-row piles Download PDFInfo
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- CN203383220U CN203383220U CN201320411121.6U CN201320411121U CN203383220U CN 203383220 U CN203383220 U CN 203383220U CN 201320411121 U CN201320411121 U CN 201320411121U CN 203383220 U CN203383220 U CN 203383220U
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- foundation pit
- double
- pit supporting
- campshed
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Abstract
The utility model discloses a foundation pit supporting structure capable of reducing horizontal deformation of double-row piles. The foundation pit supporting structure comprises front-row piles and rear-row piles which are parallel and arranged inside side edges of a foundation pit; tops of pile bodies of the front-row piles or the rear-row piles are connected together through top beams; a cantilever beam or a cantilever board which is perpendicular to the top beams is arranged between the two top beams, and beam pressing pieces pressed on the cantilever beam or the cantilever board are arranged on the cantilever beam or the cantilever board. According to the foundation pit supporting structure capable of reducing horizontal deformation of double-row piles, a double-row pile structure formed by the front-row piles and the rear-row piles which are arranged inside the side edges of the foundation pit, the tops of the pile bodies of the front-row piles or the rear-row piles are connected together through the top beams and the cantilever beam or cantilever board, and finally, the beam pressing pieces tightly press the cantilever beam or the cantilever board; the supporting structure is suitable for supporting a deep foundation pit; and simultaneously, the supporting structure is large in rigidity and high in resistance to bending, can effectively control horizontal displacement of the tops of the piles and structure deformation, and is applicable to the field of foundation pit supporting structures.
Description
Technical field
The utility model relates to the Geotechnical Engineering field, particularly relates to a kind of double-row pile foundation pit support structure.
Background technology
Foundation pit supporting construction refers in order to protect the safety of underground main structure construction and foundation ditch surrounding enviroment, provisional the gear that foundation ditch is adopted or the structure of reinforcing the bearing load of foundation pit side-wall.
Foundation pit supporting construction commonly used has the pull-type retaining structure of anchor, brace type retaining structure, single cantilevered retaining structure and double-row pile retaining structure etc. at present, different support patterns respectively has its inapplicable condition, such as the pull-type retaining structure of anchor, in fine sand layer, the anchor pole perforate is easily gushed sand, water burst and is had security risk, does not allow anchor pole to squeeze into peripheral stratum; The brace type retaining structure, inner support has reduced working space, has increased the difficulty of excavation, muck haulage and Underground Construction, and when the foundation ditch area is larger, the material usage of steel concrete or steel inner support increases, and construction period is elongated, and economy is poor; The cantilevered retaining structure, Horizontal Displacement and structure distortion itself is difficult to control, and deep-foundation pit engineering is inapplicable; The double-row pile retaining structure, be applicable to than the darker foundation ditch of single cantilevered space enclosing structure, but the excavation of foundation pit degree of depth is greater than 10m, and its bending resistance is poor, and Horizontal Displacement is large; There is inter-pile soil loss risk etc. in the soft stratum that groundwater table is higher.
The utility model content
For addressing the above problem, the utility model provides a kind of bending resistance by force and is applicable to the foundation pit supporting construction that reduces the double-row pile horizontal distortion of deep foundation ditch.
The utility model solves the technical scheme that its technical problem adopts:
A kind of foundation pit supporting construction that reduces the double-row pile horizontal distortion, comprise two rows front campshed and the rear campshed parallel to each other that is arranged on foundation ditch side inside, the top of each pile body of front campshed or rear campshed links together by Guan Liang, be provided with Cantilever Beams or the cantilevered plate perpendicular to Guan Liang between two hat beams, Cantilever Beams or cantilevered plate are provided with the pressure beam part be pressed on Cantilever Beams or cantilevered plate.
Be further used as the improvement of technical solutions of the utility model, each pile body in front campshed and rear campshed is set up in parallel each other.
Be further used as the improvement of technical solutions of the utility model, each pile body in front campshed and rear campshed shifts to install each other.
Be further used as the improvement of technical solutions of the utility model, in front campshed, each pile body degree of depth is greater than or equal to each pile body degree of depth in rear campshed.
Be further used as the improvement of technical solutions of the utility model, also be provided with the pressure beam slab be pressed on each Cantilever Beams or cantilevered plate.
Be further used as the improvement of technical solutions of the utility model, pressing beam slab is steel plate or concrete prefabricated board or cast-in-situ reinforced concrete slab.
Be further used as the improvement of technical solutions of the utility model, pressing the beam part is sand pocket or earth bag or concrete block or metal derby.
Be further used as the improvement of technical solutions of the utility model, pressing the beam part is to be placed in sand pocket or earth bag or concrete block or the metal derby of pressing on beam slab.
The beneficial effects of the utility model: this foundation pit supporting construction that reduces the double-row pile horizontal distortion is at the inboard Double-row-piles Structure be comprised of front campshed and rear campshed that arranges of foundation ditch, and by Guan Liang and Cantilever Beams or cantilevered plate, each pile body top of front campshed and rear campshed is linked together, finally by pressing the beam part to press each Cantilever Beams or cantilevered plate, this supporting and protection structure is applicable to deep foundation pit support, its rigidity of structure is large simultaneously, bending resistance is strong, and can effectively control horizontal movement and the structure distortion itself on stake top.
The accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is the utility model embodiment sectional view;
Fig. 2 is the utility model the first embodiment top view;
Fig. 3 is the utility model the second embodiment top view.
The specific embodiment
With reference to Fig. 1～Fig. 3, the utility model is a kind of foundation pit supporting construction that reduces the double-row pile horizontal distortion, comprise two rows front campshed 1 and the rear campshed 2 parallel to each other that is arranged on foundation ditch side inside, the top of each pile body of front campshed 1 or rear campshed 2 links together by hat beam 3, two 3, beams of hat are provided with Cantilever Beams or the cantilevered plate perpendicular to hat beam 3, and Cantilever Beams or cantilevered plate are provided with the pressure beam part 5 be pressed on Cantilever Beams or cantilevered plate.
This foundation pit supporting construction that reduces the double-row pile horizontal distortion is at the inboard Double-row-piles Structure be comprised of front campshed 1 and rear campshed 2 that arranges of foundation ditch, and by being preced with beam 3 and Cantilever Beams or cantilevered plate, each pile body top of front campshed 1 and rear campshed 2 is linked together, finally by pressing beam part 5 to press each Cantilever Beams or cantilevered plate, this supporting and protection structure is applicable to deep foundation pit support, its rigidity of structure is large simultaneously, bending resistance is strong, and can effectively control horizontal movement and the structure distortion itself on stake top.
As the improvement of technical solutions of the utility model, each pile body in front campshed 1 and rear campshed 2 is set up in parallel each other.
As the improvement of technical solutions of the utility model, each pile body in front campshed 1 and rear campshed 2 shifts to install each other.
Forming the form that arranges between each pile body in the front campshed 1 of this Retaining Structure with Double-row Piles and rear campshed 2 can need to carry out multiple conversion according to construction on the spot, all in protection domain of the present utility model.
As the improvement of technical solutions of the utility model, in front campshed 1, each pile body degree of depth is greater than or equal to each pile body degree of depth in rear campshed 2.
As the improvement of technical solutions of the utility model, also be provided with the pressure beam slab 4 be pressed on each Cantilever Beams or cantilevered plate.
As the improvement of technical solutions of the utility model, pressing beam slab 4 is steel plate or concrete prefabricated board or cast-in-situ reinforced concrete slab.
As the improvement of technical solutions of the utility model, pressing beam part 5 is sand pocket or earth bag or concrete block or metal derby.
As the improvement of technical solutions of the utility model, press beam part 5 for being placed in sand pocket or earth bag or concrete block or the metal derby of pressing on beam slab 4.
Press beam part 5 to be placed on and press on beam slab 4, be mainly used in the top of each pile body is fixed, horizontal movement and structure itself that can each pile body stake top of more effective control be out of shape.
Certainly, the invention is not limited to above-mentioned embodiment, those of ordinary skill in the art also can make equivalent variations or replacement under the prerequisite without prejudice to the utility model spirit, and the modification that these are equal to or replacement all are included in the application's claim limited range.
Claims (8)
1. a foundation pit supporting construction that reduces the double-row pile horizontal distortion, it is characterized in that: comprise two rows front campshed (1) and the rear campshed (2) parallel to each other that is arranged on foundation ditch side inside, the top of each pile body of described front campshed (1) or rear campshed (2) links together by Guan Liang (3), be provided with Cantilever Beams or the cantilevered plate perpendicular to Guan Liang (3) between two described Guan Liang (3), described Cantilever Beams or cantilevered plate are provided with the pressure beam part (5) be pressed on Cantilever Beams or cantilevered plate.
2. the foundation pit supporting construction that reduces the double-row pile horizontal distortion according to claim 1, it is characterized in that: each pile body in described front campshed (1) and rear campshed (2) is set up in parallel each other.
3. the foundation pit supporting construction that reduces the double-row pile horizontal distortion according to claim 1, it is characterized in that: each pile body in described front campshed (1) and rear campshed (2) shifts to install each other.
4. according to claim 1 or the 2 or 3 described foundation pit supporting constructions that reduce the double-row pile horizontal distortion, it is characterized in that: in described front campshed (1), each pile body degree of depth is greater than or equal to each pile body degree of depth in rear campshed (2).
5. according to claim 1 or the 2 or 3 described foundation pit supporting constructions that reduce the double-row pile horizontal distortion, it is characterized in that: also be provided with the pressure beam slab (4) be pressed on each described Cantilever Beams or cantilevered plate.
6. the foundation pit supporting construction that reduces the double-row pile horizontal distortion according to claim 5, it is characterized in that: described pressure beam slab (4) is steel plate or concrete prefabricated board or cast-in-situ reinforced concrete slab.
7. according to claim 1 or the 2 or 3 described foundation pit supporting constructions that reduce the double-row pile horizontal distortion, it is characterized in that: described pressure beam part (5) is sand pocket or earth bag or concrete block or metal derby.
8. the foundation pit supporting construction that reduces the double-row pile horizontal distortion according to claim 5 is characterized in that: described pressure beam part (5) is for being placed in sand pocket or earth bag or concrete block or the metal derby of pressing on beam slab (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320411121.6U CN203383220U (en) | 2013-07-10 | 2013-07-10 | Foundation pit supporting structure capable of reducing horizontal deformation of double-row piles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320411121.6U CN203383220U (en) | 2013-07-10 | 2013-07-10 | Foundation pit supporting structure capable of reducing horizontal deformation of double-row piles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203383220U true CN203383220U (en) | 2014-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320411121.6U Expired - Fee Related CN203383220U (en) | 2013-07-10 | 2013-07-10 | Foundation pit supporting structure capable of reducing horizontal deformation of double-row piles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203383220U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104328788A (en) * | 2014-09-26 | 2015-02-04 | 安徽水利开发股份有限公司 | Combined supporting construction method of two rows of grouting piles and pull anchoring and shotcreting layer |
| CN105735325A (en) * | 2016-04-20 | 2016-07-06 | 山东大学 | Intensified permanent support assembly type basement structure system and construction method |
| CN105926639A (en) * | 2016-06-28 | 2016-09-07 | 南华大学 | Supporting system and monitoring method of foundation pit near city expressway |
| CN112095377A (en) * | 2020-08-28 | 2020-12-18 | 中国建筑第八工程局有限公司 | Off-pit construction road structure next to subway deep foundation pit and construction method thereof |
-
2013
- 2013-07-10 CN CN201320411121.6U patent/CN203383220U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104328788A (en) * | 2014-09-26 | 2015-02-04 | 安徽水利开发股份有限公司 | Combined supporting construction method of two rows of grouting piles and pull anchoring and shotcreting layer |
| CN104328788B (en) * | 2014-09-26 | 2016-02-10 | 安徽水利开发股份有限公司 | Double rows slip casting stake with draw shotcrete layer combined supporting construction method |
| CN105735325A (en) * | 2016-04-20 | 2016-07-06 | 山东大学 | Intensified permanent support assembly type basement structure system and construction method |
| CN105735325B (en) * | 2016-04-20 | 2018-01-23 | 山东大学 | A kind of intensive permanent support assembled basement structure system and construction method |
| CN105926639A (en) * | 2016-06-28 | 2016-09-07 | 南华大学 | Supporting system and monitoring method of foundation pit near city expressway |
| CN112095377A (en) * | 2020-08-28 | 2020-12-18 | 中国建筑第八工程局有限公司 | Off-pit construction road structure next to subway deep foundation pit and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUANGDONG FOUNDATION ENGINEERING GROUP CO., LTD. Free format text: FORMER NAME: GUANGDONG PROV. FOUNDATION ENGINEERING CO. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 19-20, No. 510620, Tianhe Road, 99 Tianhe Road, Guangdong, Guangzhou Patentee after: Foundation Design Group Co., Ltd of Guangdong Province Address before: 19-20, No. 510620, Tianhe Road, 99 Tianhe Road, Guangdong, Guangzhou Patentee before: Guangdong Prov. Foundation Engineering Co. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140108 Termination date: 20170710 |