CN203238642U - Supporting retaining wall of foundation pit - Google Patents
Supporting retaining wall of foundation pit Download PDFInfo
- Publication number
- CN203238642U CN203238642U CN 201320124420 CN201320124420U CN203238642U CN 203238642 U CN203238642 U CN 203238642U CN 201320124420 CN201320124420 CN 201320124420 CN 201320124420 U CN201320124420 U CN 201320124420U CN 203238642 U CN203238642 U CN 203238642U
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- China
- Prior art keywords
- foundation pit
- pile
- supporting structure
- prestressed pipe
- steel bar
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to the technical field of foundation pit supporting, and discloses a supporting retaining wall of a foundation pit. The supporting retaining wall of the foundation pit comprises a plurality of cemented soil mixing piles and a plurality of prestressed pipe piles, wherein the cemented soil mixing piles are arranged on the outer side of the foundation pit in a continuous and abreast mode, and are arranged surrounding the outer side of the foundation pit to form a water stopping curtain, and the prestressed pipe piles are arranged on the inner side of the water stopping curtain in a spaced mode, are arranged surrounding the inner side of the water stopping curtain, and abut against the inner side of the water stopping curtain in a pressing mode. Compared with the prior art, due to the facts that the supporting mode of combining the cemented soil mixing piles and the prestressed pipe piles is adopted by the supporting retaining wall of the foundation pit, the cemented soil mixing piles are arranged in the continuous and abreast mode to form the water stopping curtain, and the prestressed pipe piles serve as supporting piles, the supporting retaining wall of the foundation pit is applicable to the foundation pit with the high groundwater level and the complex surrounding environment, or foundation pits of other types, and solves the problems that manufacturing cost is high and the design is complex, and due to the fact that the prestressed pipe piles are produced in a mass mode, the supporting retaining wall of the foundation pit is high in construction speed and efficiency, and greatly improves the construction progress.
Description
Technical field
The utility model relates to the technical field of pattern foundation pit supporting structure, relates in particular to the pattern foundation pit supporting structure barricade.
Background technology
In recent years, rise and the Urban Underground Space Excavation utilization along with highrise building is a large amount of, the degree of depth of foundation ditch is more and more darker, and the support technology of foundation ditch also seems and is even more important.
Contain the highly permeable layer when construction works is in, and surrounding enviroment when carrying out excavation of foundation pit, then should cut off underground water when being complex area, now, all adopt the pattern foundation pit supporting structure barricade to cut off the outer underground water of foundation ditch.
In the prior art, the pattern foundation pit supporting structure barricade generally adopts diaphragm wall and two kinds of forms of campshed+water-stop curtain.The diaphragm wall cost is relatively high, mostly adopts the form of two walls unifications, not only will satisfy the safety requirements of pattern foundation pit supporting structure, also needs to consider load that outer wall of basement bears and the absolute altitude of each floor in the Foundation Pit Support Design stage, and design is comparatively complicated; The usage comparison of campshed+water-stop curtain form is general, and campshed generally adopts cast-in-place concrete pile, and water-stop curtain then adopts churning or agitation pile, and cast-in-place concrete pile rigidity is large, but construction speed is slower.
The utility model content
The purpose of this utility model is to provide the pattern foundation pit supporting structure barricade, is intended to solve that pattern foundation pit supporting structure barricade cost of the prior art is high, design complexity and the slow problem of construction speed.
The utility model is to realize like this, the pattern foundation pit supporting structure barricade, comprise a plurality of cement mixing methods and a plurality of pile for prestressed pipe, a plurality of described cement mixing method continuous and parallels are located at the foundation ditch outside, and arrange around the described foundation ditch outside, form water-stop curtain, the alternate described water-stop curtain inboard of being located at of a plurality of described pile for prestressed pipe, and around described water-stop curtain disposed inboard, press on respectively described water-stop curtain inboard.
Further, be connected with Guan Liang between the two adjacent described pile for prestressed pipe.
Further, described Guan Liang two ends are connected to two adjacent described pile for prestressed pipe tops.
Further, described pile for prestressed pipe comprises the pile tube pile body, extends along described pipe pile body length direction, in the described pile tube pile body hollow region is arranged, be provided with reinforcing cage in the described hollow region, described reinforcing cage extends up, and is filled with pea gravel concreten in the described hollow region.Further, described reinforcing cage extends described pile tube pile body upper end.
Further, described reinforcing cage comprises steel bar stress, the spiral stirrup of a plurality of alternate layouts and the muscle of putting more energy into, and each described steel bar stress extends up, and described spiral stirrup and the described muscle of putting more energy into are connected to described steel bar stress.
Further, described spiral stirrup is located at the described steel bar stress outside, extends spirally along described steel bar stress length direction.
Further, it is inboard that the described muscle of putting more energy into is located at a plurality of described steel bar stresses, is welded in respectively a plurality of described steel bar stresses.
Further, a plurality of described steel bar stresses inboard is provided with a plurality of described muscle of putting more energy into, and a plurality of described muscle intervals of putting more energy into are arranged.
Compared with prior art, the support form that pattern foundation pit supporting structure barricade in the utility model adopts cement mixing method and is combined with pile for prestressed pipe, a plurality of cement mixing method continuous and parallels form water-stop curtain, pile for prestressed pipe is as soldier pile, like this, be applicable in the foundation ditch of underground water head height, surrounding enviroment complexity, or in the foundation ditch of other type, it had both avoided the problem that cost is high and design is complicated, and because pile for prestressed pipe is for producing in enormous quantities, its speed of application is fast, and efficient is high, greatly improves construction speed.
Description of drawings
Fig. 1 is the schematic top plan view of the pattern foundation pit supporting structure barricade that provides of the utility model embodiment;
Fig. 2 is that the master of the pattern foundation pit supporting structure barricade that provides of the utility model embodiment looks schematic diagram;
Fig. 3 is the longitudinally cutting schematic diagram of the pile for prestressed pipe that provides of the utility model embodiment;
Fig. 4 is the transverse cross sectional schematic diagram of the pile for prestressed pipe that provides of the utility model embodiment;
Fig. 5 is the reinforcing cage transverse cross sectional schematic diagram that the utility model embodiment provides.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Below in conjunction with concrete accompanying drawing realization of the present utility model is described in detail.
Shown in Fig. 1～5, a preferred embodiment that provides for the utility model.
The pattern foundation pit supporting structure barricade 1 that the present embodiment provides comprises a plurality of cement mixing methods and a plurality of pile for prestressed pipe 12 that is arranged on outside the foundation pit side-wall, a plurality of cement mixing method continuous and parallels are arranged, and arrange outward around foundation pit side-wall, each cement mixing method extends up, it forms water-stop curtain 11, prevents in the outer Groundwater infiltration foundation ditch of foundation pit side-wall; A plurality of pile for prestressed pipe 12 lay respectively at water-stop curtain 11 inboards that a plurality of cement mixing methods form, namely cement mixing method is inboard, it is pressed on the inboard of water-stop curtain 11, and a plurality of pile for prestressed pipe 12 alternate layouts, is the inboard that is arranged in water-stop curtain 11 around shape.
In the above-mentioned pattern foundation pit supporting structure barricade 1, its adopt cement mixing method and with the support form of pile for prestressed pipe 12 combinations, water-stop curtain 11 is formed by a plurality of cement mixing method continuous and parallels, pile for prestressed pipe 12 is as soldier pile, like this, be applicable in the foundation ditch of underground water head height, surrounding enviroment complexity, or in the foundation ditch of other type, it had both avoided the problem that cost is high and design is complicated, and because pile for prestressed pipe 12 is for producing in enormous quantities, its speed of application is fast, and efficient is high, greatly improves construction speed.
In the present embodiment, in order to strengthen the globality of pattern foundation pit supporting structure barricade 1, be connected with hat beam 13 between the adjacent pile for prestressed pipe 12, the two ends of namely being preced with beam 13 are connected on the two adjacent pile for prestressed pipe 12.Particularly, hat beam 13 is connected to the top of two adjacent pile for prestressed pipe 12.
In the present embodiment, pile for prestressed pipe 12 comprises pile tube pile body 121, extend along pile tube pile body 121 length directions, and be hollow structure in it, namely at the length direction of pile tube pile body 121, it is hollow.In the hollow region of pile tube pile body 121, be provided with reinforcing cage 123, and in this hollow region, be filled with pea gravel concreten 122.
Above-mentioned reinforcing cage 123 extends to outside pile tube pile body 121 tops, deeply is preced with in the beam 13, thus the globality of raising pattern foundation pit supporting structure barricade 1.
In the present embodiment, reinforcing cage 123 comprises a plurality of steel bar stresses 1231, spiral stirrup 1232 and the muscle 1233 of putting more energy into forms.A plurality of steel bar stress 1231 alternate layouts, and extending up, erect shape and be placed in the pile tube pile body 121; Spiral stirrup 1232 and the muscle 1233 of putting more energy into are connected with a plurality of steel bar stresses 1231 respectively.
Particularly, spiral stirrup 1232 is connected with a plurality of steel bar stresses 1231, and extends spirally along the length direction of steel bar stress 1231 around being arranged on a plurality of steel bar stresses 1231 outsides; The muscle 1233 of putting more energy into is arranged on steel bar stress 1233 inboards, and welds with a plurality of steel bar stresses 1231 respectively.In the present embodiment, the quantity of the muscle of putting more energy into is a plurality of, and a plurality of muscle 1233 of putting more energy into is arranged along the length direction interval of steel bar stress 1231.
By reinforcing cage 123 and pea gravel concreten 122 are set, can increase the intensity of pile for prestressed pipe 12, strengthen its supporting performance, improve bending resistance and the impermeability of pile for prestressed pipe 12 joints
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (9)
1. pattern foundation pit supporting structure barricade, it is characterized in that, comprise a plurality of cement mixing methods and a plurality of pile for prestressed pipe, a plurality of described cement mixing method continuous and parallels are located at the foundation ditch outside, and arrange around the described foundation ditch outside, form water-stop curtain, the alternate described water-stop curtain inboard of being located at of a plurality of described pile for prestressed pipe, and around described water-stop curtain disposed inboard, press on respectively described water-stop curtain inboard.
2. pattern foundation pit supporting structure barricade as claimed in claim 1 is characterized in that, is connected with Guan Liang between the two adjacent described pile for prestressed pipe.
3. pattern foundation pit supporting structure barricade as claimed in claim 2 is characterized in that, described Guan Liang two ends are connected to two adjacent described pile for prestressed pipe tops.
4. such as each described pattern foundation pit supporting structure barricade of claims 1 to 3, it is characterized in that, described pile for prestressed pipe comprises the pile tube pile body, extend along described pipe pile body length direction, in the described pile tube pile body hollow region is arranged, be provided with reinforcing cage in the described hollow region, described reinforcing cage extends up, and is filled with pea gravel concreten in the described hollow region.
5. pattern foundation pit supporting structure barricade as claimed in claim 4 is characterized in that, described reinforcing cage extends described pile tube pile body upper end.
6. pattern foundation pit supporting structure barricade as claimed in claim 4, it is characterized in that, described reinforcing cage comprises steel bar stress, the spiral stirrup of a plurality of alternate layouts and the muscle of putting more energy into, and each described steel bar stress extends up, and described spiral stirrup and the described muscle of putting more energy into are connected to described steel bar stress.
7. pattern foundation pit supporting structure barricade as claimed in claim 5 is characterized in that, described spiral stirrup is located at the described steel bar stress outside, extends spirally along described steel bar stress length direction.
8. pattern foundation pit supporting structure barricade as claimed in claim 5 is characterized in that, it is inboard that the described muscle of putting more energy into is located at a plurality of described steel bar stresses, is welded in respectively a plurality of described steel bar stresses.
9. pattern foundation pit supporting structure barricade as claimed in claim 8 is characterized in that, a plurality of described steel bar stresses inboard is provided with a plurality of described muscle of putting more energy into, and a plurality of described muscle intervals of putting more energy into are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320124420 CN203238642U (en) | 2013-03-19 | 2013-03-19 | Supporting retaining wall of foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320124420 CN203238642U (en) | 2013-03-19 | 2013-03-19 | Supporting retaining wall of foundation pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203238642U true CN203238642U (en) | 2013-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320124420 Expired - Fee Related CN203238642U (en) | 2013-03-19 | 2013-03-19 | Supporting retaining wall of foundation pit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203238642U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105484160A (en) * | 2015-12-11 | 2016-04-13 | 中交一公局第三工程有限公司 | Method for digging deep foundation pit by gravity anchor |
| CN106638619A (en) * | 2016-12-20 | 2017-05-10 | 王志华 | Foundation-pit support building structure |
| CN106758890A (en) * | 2016-11-11 | 2017-05-31 | 厦门市市政工程设计院有限公司 | Campshed box culvert structure and its construction method |
| CN110206045A (en) * | 2019-06-20 | 2019-09-06 | 珠海荣坚基础工程有限公司 | A method of applied to building supporting and protecting row pile pit |
| CN111041917A (en) * | 2019-12-30 | 2020-04-21 | 常州市市政工程设计研究院有限公司 | Foundation ditch road bed backfill structure |
-
2013
- 2013-03-19 CN CN 201320124420 patent/CN203238642U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105484160A (en) * | 2015-12-11 | 2016-04-13 | 中交一公局第三工程有限公司 | Method for digging deep foundation pit by gravity anchor |
| CN106758890A (en) * | 2016-11-11 | 2017-05-31 | 厦门市市政工程设计院有限公司 | Campshed box culvert structure and its construction method |
| CN106758890B (en) * | 2016-11-11 | 2017-11-17 | 厦门市市政工程设计院有限公司 | Campshed box culvert structure and its construction method |
| CN106638619A (en) * | 2016-12-20 | 2017-05-10 | 王志华 | Foundation-pit support building structure |
| CN106638619B (en) * | 2016-12-20 | 2018-12-14 | 王志华 | A kind of pattern foundation pit supporting structure building structure |
| CN110206045A (en) * | 2019-06-20 | 2019-09-06 | 珠海荣坚基础工程有限公司 | A method of applied to building supporting and protecting row pile pit |
| CN111041917A (en) * | 2019-12-30 | 2020-04-21 | 常州市市政工程设计研究院有限公司 | Foundation ditch road bed backfill structure |
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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: SHENZHEN GONGKAN GEOTECHNICAL GROUP CO., LTD. Free format text: FORMER NAME: SHENZHEN GONGKAN GEOTECHNICAL ENGINEERING CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 518000 Guangdong city of Shenzhen province Futian District Fu Road Fujing building 3 building 20-21 layer Patentee after: Shenzhen Gongkan Geotechnical Group Co., Ltd. Address before: 518026 Guangdong city of Shenzhen province Futian District Fu Road King Fook building, block 20-22 Patentee before: Shenzhen Gongkan Geotechnical Engineering Co., Ltd. |
|
| 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: 20131016 Termination date: 20170319 |