CN202117059U - Stiffened cement soil baffle wall foundation pit space enclosing structure - Google Patents
Stiffened cement soil baffle wall foundation pit space enclosing structure Download PDFInfo
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- CN202117059U CN202117059U CN2010205213834U CN201020521383U CN202117059U CN 202117059 U CN202117059 U CN 202117059U CN 2010205213834 U CN2010205213834 U CN 2010205213834U CN 201020521383 U CN201020521383 U CN 201020521383U CN 202117059 U CN202117059 U CN 202117059U
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Abstract
The utility model relates to a stiffened cement soil baffle wall foundation pit space enclosing structure in the field of foundation pit space enclosing engineering. The structure comprises four parts, namely, open reinforced concrete prefabricating stiffening columns (2), a cement soil pile (1), an enclosing purlin (3) and an inner support structure (4), wherein the outer contour line of the cross section of each open reinforced concrete prefabricating stiffening column (2) is a concave curve; and the cement soil pile (1) is a structure of cement and soil both of which are blended and concreted and then connected between the adjacent reinforced concrete prefabricating stiffening columns (2). Compared with the existing foundation pit space enclosing structure, the stiffened cement soil baffle wall foundation pit space enclosing structure is small in sectional area of enclosing pile body, low in pile sinking construction compaction effect, easy to construct, great in section modulus, good in shearing and bending resistance, fast in construction speed, capable of effectively controlling the displacement of the foundation pit, increasing the stability of the foundation pit and saving the engineering cost.
Description
Technical field
The present invention relates to field of civil engineering, particularly the bracing of foundation pit engineering field in the civil engineering.
Background technology
Along with engineering construction developing rapidly of underground space development particularly; Slope project and bracing of foundation pit engineering quantity and day sharp increase, the risk and the cost of base pit engineering are increasing, and bracing of foundation pit form commonly used at present has fender post or enclosure wall cantilever or adds the interior form of going along with sb. to guard him that supports or add anchor pole; Cement mixing method gravity dam bracing of foundation pit form; Brad wall base pit enclosure form etc., above-mentioned bracing of foundation pit form generally need be established water-stop curtain in the high water level area, and construction costs is high.
The content of invention
The object of the present invention is to provide a kind of stiffness EFFECT OF CEMENT STABILIZED SOIL RETAINING WALL foundation pit enclosure structure; It is good that this stiffness EFFECT OF CEMENT STABILIZED SOIL RETAINING WALL foundation pit enclosure structure can be given full play to opening precast member for reinforcing bar concrete anti-bending strength; The advantage that materials are practiced thrift, the level of bringing into play support system simultaneously be to supporting role, and can bring into play the sealing effect of cement earth pile; Construction technology is simple, and cost is low.
This stiffness EFFECT OF CEMENT STABILIZED SOIL RETAINING WALL foundation pit enclosure structure comprises stiffness EFFECT OF CEMENT STABILIZED SOIL RETAINING WALL and support system two parts composition; Wherein the stiffness EFFECT OF CEMENT STABILIZED SOIL RETAINING WALL comprises reinforced concrete prefabricated stake and the cement earth pile two parts composition of putting more energy into of opening; The reinforced concrete prefabricated stake of putting more energy into of opening wherein is precast member for reinforcing bar concrete; Comprise reinforcing bar or steel strand and bond and form at the concrete two parts in the reinforcing bar or the steel strand outside; The outer contour of the cross section of the reinforced concrete prefabricated stake of putting more energy into of opening is a sag vertical curve; Cement earth pile is to be connected in the reinforced concrete prefabricated structure of putting more energy between the stake of adjacent opening after the blending of cement and the soil body is solidified, and support system wherein comprises that enclosing purlin forms with inner supporting structure two parts, and reinforced concrete prefabricated the putting more energy into of purlin and opening of enclosing wherein is connected; Enclose angle between the axis of the reinforced concrete prefabricated stake of putting more energy into of axis and opening of purlin near 90 degree, inner supporting structure is to be connected in multistage to enclose reinforced concrete structure or steel work between the purlin.
In above-mentioned stiffness EFFECT OF CEMENT STABILIZED SOIL RETAINING WALL foundation pit enclosure structure, the reinforced concrete prefabricated stake of putting more energy into of above-mentioned opening can be similar to the precast member for reinforcing bar concrete of tee shape for the shape of cross section that comprises a web and a frange plate.
In above-mentioned stiffness EFFECT OF CEMENT STABILIZED SOIL RETAINING WALL foundation pit enclosure structure, the reinforced concrete prefabricated stake of putting more energy into of above-mentioned opening can be similar to the precast member for reinforcing bar concrete of alphabetical H shape for the shape of cross section that comprises a web and two blocks of frange plates.
In above-mentioned stiffness EFFECT OF CEMENT STABILIZED SOIL RETAINING WALL foundation pit enclosure structure, the reinforced concrete prefabricated stake of putting more energy into of above-mentioned opening can be similar to the precast member for reinforcing bar concrete of alphabetical I shape for the shape of cross section that only comprises a web.
In above-mentioned stiffness EFFECT OF CEMENT STABILIZED SOIL RETAINING WALL foundation pit enclosure structure, the reinforced concrete prefabricated stake of putting more energy into of above-mentioned opening can be the L shaped precast member for reinforcing bar concrete of the approximate letter of the shape of cross section that comprises two blocks of frange plates.
In above-mentioned stiffness EFFECT OF CEMENT STABILIZED SOIL RETAINING WALL foundation pit enclosure structure, above-mentioned cement earth pile can be double double end cement mixing method.
In above-mentioned stiffness EFFECT OF CEMENT STABILIZED SOIL RETAINING WALL foundation pit enclosure structure, above-mentioned cement earth pile can be at the reinforced concrete prefabricated high-pressure rotary jet grouting pile of putting more energy into and constructing between the stake of adjacent opening.
In above-mentioned stiffness EFFECT OF CEMENT STABILIZED SOIL RETAINING WALL foundation pit enclosure structure; Can support post be set in above-mentioned inner supporting structure bottom; Support post is to be connected with inner supporting structure and the structure of vertical placement; The top of support post is steel work, and the bottom is the combination construction of reinforced concrete structure or deep-mixed pile and steel work composition.
The existing foundation pit enclosure structure of stiffness EFFECT OF CEMENT STABILIZED SOIL RETAINING WALL foundation pit enclosure structure of the present invention is compared, and stiffness EFFECT OF CEMENT STABILIZED SOIL RETAINING WALL bearing capacity is high, and the pile body sectional area is little; The piling construction soil compaction effect is little, is easy to construction, and the stake section modulus is big; The shearing resistance anti-bending strength is good, and speed of application is fast, combines with support system; Can effectively control the foundation ditch displacement, increase the stability of foundation ditch, can practice thrift construction costs.
Description of drawings
Fig. 1 is the layout sketch map of the used stiffness EFFECT OF CEMENT STABILIZED SOIL RETAINING WALL foundation pit enclosure structure of one embodiment of the present of invention;
Fig. 2 is the generalized section of the used stiffness EFFECT OF CEMENT STABILIZED SOIL RETAINING WALL foundation pit enclosure structure of one embodiment of the present of invention.
The specific embodiment
Like a Fig. 1 and an embodiment shown in Figure 2, main purpose is to introduce the structure construction and the operating principle of stiffness EFFECT OF CEMENT STABILIZED SOIL RETAINING WALL foundation pit enclosure structure as of the present invention.Like Fig. 1 and shown in Figure 2, stiffness EFFECT OF CEMENT STABILIZED SOIL RETAINING WALL foundation pit enclosure structure of the present invention comprises stiffness EFFECT OF CEMENT STABILIZED SOIL RETAINING WALL and support system two parts composition, and stiffness EFFECT OF CEMENT STABILIZED SOIL RETAINING WALL wherein comprises reinforced concrete prefabricated stake (2) two parts composition of putting more energy into of cement earth pile (1) and opening; The reinforced concrete prefabricated stake (2) of putting more energy into of its split shed is precast member for reinforcing bar concrete, and its shape of cross section can be set to T shape, H shape, I shape or L shaped as required, in Fig. 1 of present embodiment; The reinforced concrete prefabricated shape of cross section of putting more energy into stake (2) of opening is set to H shape; Cement earth pile (1) is set to double double end cement mixing method, and its layout is seen Fig. 1, when construction stiffness EFFECT OF CEMENT STABILIZED SOIL RETAINING WALL; The cement earth pile (1) of can constructing earlier; Before cement earth pile (1) condenses, with the reinforced concrete prefabricated stake (2) of putting more energy into of prefabricated opening insert wherein just can, treat cement earth pile (1) sclerosis after; Keep off native sealing with reinforced concrete prefabricated stake (2) acting in conjunction of putting more energy into of opening, just accomplished the construction of stiffness EFFECT OF CEMENT STABILIZED SOIL RETAINING WALL.In the present embodiment; The reinforced concrete prefabricated stake (2) of putting more energy into of construction opening earlier; High-pressure rotary jet grouting pile construct between the stake (2) as cement earth pile (1) reinforced concrete prefabricated the putting more energy into of adjacent opening then; The reinforced concrete prefabricated stake (2) of putting more energy into of opening keeps off native sealing jointly with cement earth pile (1), forms the stiffness EFFECT OF CEMENT STABILIZED SOIL RETAINING WALL.After treating that the construction of stiffness EFFECT OF CEMENT STABILIZED SOIL RETAINING WALL is accomplished; Enclose purlin (3) what the top construction level of the reinforced concrete prefabricated stake (2) of putting more energy into of opening was laid, enclosing purlin (3) can be reinforced concrete structure, also can be steel work; Can lay in the inboard of enclosing purlin (3) level to inner supporting structure (4); Inner supporting structure (4) interconnects the reinforced concrete prefabricated stake (2) of putting more energy into of the opening of multistage through enclosing purlin (3), inner supporting structure (4) with enclose purlin (3) and just formed support system, form foundation pit enclosure structure jointly by support system and stiffness EFFECT OF CEMENT STABILIZED SOIL RETAINING WALL; Can in excavation of foundation pit, keep off native sealing effectively, reach the bracing of foundation pit purpose.In the present embodiment; Support system can be the combination of reinforced concrete structure or steel work or reinforced concrete structure and steel work, when foundation ditch is dark, as digging greater than 10m deeply; Can also lay the second road support system or more support system along reinforced concrete prefabricated stake (2) level of putting more energy into of opening in the foundation ditch inboard; When the foundation ditch area is bigger, when inner supporting structure (4) span is big, should lay support post (5) at place, inner supporting structure (4) site position; Support post (5) can keep the stable of inner supporting structure (4); Pass through sole plate for the ease of support post (5), support post (5) is set to steel work more than the excavation of foundation pit face, can be bored pile or deep-mixed pile below the excavation of foundation pit face.
This patent includes but not limited to other job practicess of the alternative use of professional person in this area.
Claims (8)
1. stiffness EFFECT OF CEMENT STABILIZED SOIL RETAINING WALL foundation pit enclosure structure; It is characterized in that comprising stiffness EFFECT OF CEMENT STABILIZED SOIL RETAINING WALL and support system two parts composition; Wherein the stiffness EFFECT OF CEMENT STABILIZED SOIL RETAINING WALL comprises reinforced concrete prefabricated stake (2) and cement earth pile (1) two parts composition of putting more energy into of opening; The reinforced concrete prefabricated stake (2) of putting more energy into of opening wherein is precast member for reinforcing bar concrete; Comprise reinforcing bar or steel strand and bond and form at the concrete two parts in the reinforcing bar or the steel strand outside; The outer contour of the cross section of the reinforced concrete prefabricated stake (2) of putting more energy into of opening is a sag vertical curve; Cement earth pile (1) is to be connected in the reinforced concrete prefabricated structure of putting more energy between the stake (2) of adjacent opening after cement and soil body blending are solidified, and support system wherein comprises that enclosing purlin (3) forms with inner supporting structure (4) two parts, and the purlin (3) that encloses wherein is connected with reinforced concrete prefabricated put more energy into (2) of opening; Enclose angle between the axis of the reinforced concrete prefabricated stake (2) of putting more energy into of axis and opening of purlin (3) near 90 degree, inner supporting structure (4) encloses reinforced concrete structure or steel work between the purlin (3) for being connected in multistage.
2. stiffness EFFECT OF CEMENT STABILIZED SOIL RETAINING WALL foundation pit enclosure structure according to claim 1 is characterized in that the reinforced concrete prefabricated stake (2) of putting more energy into of above-mentioned opening can be similar to the precast member for reinforcing bar concrete of tee shape for the shape of cross section that comprises a web and a frange plate.
3. stiffness EFFECT OF CEMENT STABILIZED SOIL RETAINING WALL foundation pit enclosure structure according to claim 1 is characterized in that the reinforced concrete prefabricated stake (2) of putting more energy into of above-mentioned opening can be similar to the precast member for reinforcing bar concrete of alphabetical H shape for the shape of cross section that comprises a web and two blocks of frange plates.
4. stiffness EFFECT OF CEMENT STABILIZED SOIL RETAINING WALL foundation pit enclosure structure according to claim 1 is characterized in that the reinforced concrete prefabricated stake (2) of putting more energy into of above-mentioned opening can be similar to the precast member for reinforcing bar concrete of alphabetical I shape for the shape of cross section that only comprises a web.
5. stiffness EFFECT OF CEMENT STABILIZED SOIL RETAINING WALL foundation pit enclosure structure according to claim 1 is characterized in that the reinforced concrete prefabricated stake (2) of putting more energy into of above-mentioned opening can be the L shaped precast member for reinforcing bar concrete of the approximate letter of the shape of cross section that comprises two blocks of frange plates.
6. stiffness EFFECT OF CEMENT STABILIZED SOIL RETAINING WALL foundation pit enclosure structure according to claim 1 is characterized in that above-mentioned cement earth pile (1) can be double double end cement mixing method.
7. stiffness EFFECT OF CEMENT STABILIZED SOIL RETAINING WALL foundation pit enclosure structure according to claim 1 is characterized in that above-mentioned cement earth pile (1) can be the high-pressure rotary jet grouting pile in the reinforced concrete prefabricated construction between the stake (2) of putting more energy into of adjacent opening.
8. stiffness EFFECT OF CEMENT STABILIZED SOIL RETAINING WALL foundation pit enclosure structure according to claim 1; It is characterized in that and in above-mentioned inner supporting structure (4) bottom support post (5) to be set; Support post (5) is to be connected with inner supporting structure (4) and the structure of vertical placement; The top of support post (5) is steel work, and the bottom is the combination construction of reinforced concrete structure or deep-mixed pile and steel work composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205213834U CN202117059U (en) | 2010-08-30 | 2010-08-30 | Stiffened cement soil baffle wall foundation pit space enclosing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205213834U CN202117059U (en) | 2010-08-30 | 2010-08-30 | Stiffened cement soil baffle wall foundation pit space enclosing structure |
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| CN202117059U true CN202117059U (en) | 2012-01-18 |
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| CN2010205213834U Expired - Lifetime CN202117059U (en) | 2010-08-30 | 2010-08-30 | Stiffened cement soil baffle wall foundation pit space enclosing structure |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102733398A (en) * | 2012-07-19 | 2012-10-17 | 上海新强劲工程技术有限公司 | Combined recyclable supporting upright post in foundation pit support |
| CN103669402A (en) * | 2013-12-25 | 2014-03-26 | 华东建筑设计研究院有限公司 | Pile and wall integrated structure combining outer wall of basement body and guard pile |
| CN105256812A (en) * | 2015-11-02 | 2016-01-20 | 深圳市路桥建设集团有限公司 | Prefabricated assembly type concrete supporting structure for foundation pit and construction method of prefabricated assembly type concrete supporting structure |
| JP2017119968A (en) * | 2015-12-28 | 2017-07-06 | 株式会社大林組 | Evaluation method of pile composed of soil cement column row wall |
| CN110847164A (en) * | 2019-11-19 | 2020-02-28 | 上海市基础工程集团有限公司 | Construction method of rapid envelope structure of double-wheel milling deep mixing pile with inserted prefabricated part |
-
2010
- 2010-08-30 CN CN2010205213834U patent/CN202117059U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102733398A (en) * | 2012-07-19 | 2012-10-17 | 上海新强劲工程技术有限公司 | Combined recyclable supporting upright post in foundation pit support |
| CN102733398B (en) * | 2012-07-19 | 2014-09-10 | 上海新强劲工程技术有限公司 | Combined recyclable supporting upright post in foundation pit support |
| CN103669402A (en) * | 2013-12-25 | 2014-03-26 | 华东建筑设计研究院有限公司 | Pile and wall integrated structure combining outer wall of basement body and guard pile |
| CN105256812A (en) * | 2015-11-02 | 2016-01-20 | 深圳市路桥建设集团有限公司 | Prefabricated assembly type concrete supporting structure for foundation pit and construction method of prefabricated assembly type concrete supporting structure |
| JP2017119968A (en) * | 2015-12-28 | 2017-07-06 | 株式会社大林組 | Evaluation method of pile composed of soil cement column row wall |
| CN110847164A (en) * | 2019-11-19 | 2020-02-28 | 上海市基础工程集团有限公司 | Construction method of rapid envelope structure of double-wheel milling deep mixing pile with inserted prefabricated part |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170628 Address after: 200086 Shanghai city Hongkou District Helen Road 306 Lane 4, Room 502 Patentee after: Shanghai Solid Earth Rock Engineering Co., Ltd. Address before: 200086 Shanghai Helen Road, Lane 306 No. 4 Room 502 Patentee before: Zhang Jihong |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120118 |
|
| CX01 | Expiry of patent term |