CN1117196C - Supporting structure for earth bodies and its construction method - Google Patents
Supporting structure for earth bodies and its construction method Download PDFInfo
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- CN1117196C CN1117196C CN 99109655 CN99109655A CN1117196C CN 1117196 C CN1117196 C CN 1117196C CN 99109655 CN99109655 CN 99109655 CN 99109655 A CN99109655 A CN 99109655A CN 1117196 C CN1117196 C CN 1117196C
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Abstract
The present invention relates to a supporting structure for an earth body, which can realize an earth-retaining effect and ensure construction safety under the condition without the arrangement of reinforcing steel bars or other rigid reinforcing pieces in cement mixing piles used on the supporting wall surface. The structure comprises a row of cement mixing piles on the supporting wall surface of the earth body. A plurality of earth anchors are formed along the supporting surface, face from the supporting surface to the earth body at the back of the supporting surface, and extend along a horizontal direction or an oblique direction. The distance between every two earth anchors is less than 2.5 m so that the earth anchors can undertake an earth-retaining function.
Description
Technical field of the present invention
The present invention relates to the retaining soil in the field of civil engineering, the soil body support process that sealing is used.
Background technology
In the foundation construction of building, excavation pit at present, before excavation pit, will make the underground support row of piles, so that after foundation ditch digs, can carry out supporting to the foundation pit side-wall soil body.This support system adopts row of piles to obtain to keep off native effect, and row of piles is anchor rod anchored by in the soil body that is formed at supporting wall back, and these anchor poles are according to greater than the pitch arrangement of 2.5m, and this anchor pole bears tensile stress, and does not play the effect of retaining soil.The shortcoming of above-mentioned prior art is in the every pile in row of piles stiffness enhancing member to be set, such as, reinforcing bar or i iron, thus construction period strengthens, and expense strengthens.
The object of the present invention is to provide a kind of retaining wall structure, it can not be provided with reinforcing bar in the cement mix stake that the supporting wall is used, or under the situation of other stiffness enhancing member, realizes retaining soil, supporting effect, and guarantee construction safety.
The content of invention
The object of the present invention is to provide a kind of retaining wall structure, it can not be provided with reinforcing bar in the cement mix stake that the supporting wall is used, or under the situation of other stiffness enhancing member, realizes retaining soil, supporting effect, and guarantee construction safety.
To achieve these goals, retaining wall structure of the present invention comprises the cement-soil row of piles that is provided with along soil body supporting wall, form a plurality of earth anchors along this row of piles face, these a plurality of earth anchors prop up the soil body of mask back towards row of piles, along continuous straight runs or oblique extension, spacing between these a plurality of earth anchors is less than 2.5m, so that make these a plurality of earth anchors bear the effect of retaining soil in addition.
According to above-mentioned retaining wall structure, because the spacing of earth anchor is controlled in the 2.5m, variation has taken place in the effect of earth anchor like this, and its and foundation soil body form integral body, have and keep off native effect, and the horizontal soil row of piles rises and encloses curtain, the effect of sealing.
In above-mentioned structure, above-mentioned earth anchor is by anchor pole, the netted stress system of soil stabilization of the tree root shape that soil nailing and stiffness enhancing member form.
In above-mentioned structure, above-mentioned earth anchor is by anchor pole, the netted stress system of soil stabilization of the tree root shape that soil nailing and steel bar piece form.
In above-mentioned structure, above-mentioned a plurality of earth anchors are plum blossom at row of piles supporting wall and form layout.
In above-mentioned structure, above-mentioned earth anchor is by anchor pole, and above-mentioned earth anchor is by anchor pole, at least a formation in soil nailing and the stiffness enhancing member.
Another object of the present invention is to provide a kind of job practices of above-mentioned retaining wall structure, it can make formed supporting and protection structure not adopt at row of piles under the situation of stiffness enhancing member, obtains supporting effect, and the reduction of erection time.
The construction of this retaining wall structure comprises the steps:
Form the cement-soil row of piles along soil body supporting wall;
On cement-soil row of piles supporting face, the soil body that props up the mask back towards row of piles forms along level or oblique extension, and mutual spacing is less than a plurality of earth anchors of 2.5m.
According to the method described above, can economize joint bar in the vertical supporting row of piles of whereabouts, or the step of stiffness enhancing member, save cost, raise the efficiency.
In above-mentioned method, above-mentioned cement earth pile is to adopt cement mix stake technology to form.
In above-mentioned method, above-mentioned cement earth pile is to adopt rotary churning pile technology to form.
In above-mentioned method, above-mentioned earth anchor is by anchor pole, soil nailing and stiffness enhancing member form, this anchor pole is according to propping up at row of piles in the foundation soil body of mask back, from a mask along continuous straight runs, or a plurality of long isolated cement earth pillars of oblique formation, in these posts, insert steel bar piece, on cement-soil row of piles supporting face, the steel bar piece end is fixed with a retaining steel disc, or construct with adjacent that ways of connecting forms between end reinforced, this soil nailing is according to propping up at row of piles in the foundation soil body of mask back, from a mask along continuous straight runs, or a plurality of short isolated cement earth pillars of oblique formation, in these posts, insert steel bar piece, on cement-soil row of piles supporting face, the steel bar piece end is fixed with a retaining steel disc, or construct with adjacent that ways of connecting forms between end reinforced, above-mentioned stiffness enhancing member is to be formed at row of piles according to insertion to prop up level in the foundation soil body of mask back, or in the cement earth pillar of oblique extension, or inserts in the above-mentioned foundation soil body and form.
According to the method described above, can form the bigger anchor pole of length, the soil nailing that length is less, be positioned at the unfixed stiffness enhancing member in end of a mask, such as, insert the reinforcing bar in the cement-soil, thereby in the foundation soil body of a mask back, constitute three-dimensional stressed netted system, itself and the soil body form integral body, and play the effect of retaining soil.
In above-mentioned method, above-mentioned earth anchor is by anchor pole, at least a formation in soil nailing and the stiffness enhancing member.
Below in conjunction with accompanying drawing retaining wall structure of the present invention is described.
Brief Description Of Drawings:
Fig. 1 is the phantom drawing of retaining wall structure of the present invention.
The description of embodiment
As shown in Figure 1, retaining wall structure of the present invention is to form like this, in ground along the side of foundation ditch, form the cement-soil row of piles, such as, cement mix row of piles 2, then, the excavation base is anti-, on this cement earth pillar row face, along continuous straight runs or oblique, form many earth anchors 2, they extend in the foundation soil body of a mask back, these earth anchors are by anchor pole, and soil nailing and stiffness enhancing member form such as reinforcing bar, above-mentioned anchor pole, soil nailing is to form like this, in above-mentioned foundation soil body, form the cement earth pillar, in this post, insert reinforcing bar or stiffness enhancing member, because earth anchor plays the effect of retaining soil by cement mix technology, rather than rise and hold row of piles, the effect that row of piles is toppled, the reinforcing bar in the above-mentioned like this anchor pole, or the end that is positioned at mask one side of stiffness enhancing member (length is longer) can be fixed by a retaining steel disc, can not fix yet, reinforcing bar in the above-mentioned soil nailing, or being positioned in the end of mask one side of stiffness enhancing member (length is shorter) interconnect so that satisfy constructional requirement, or do not connect, in above-mentioned ground, directly insert reinforcing bar in addition, or stiffness enhancing member.
In addition, above-mentioned earth anchor also can form like this, and pore-forming in foundation soil body is put into reinforcing bar afterwards earlier, or stiffness enhancing member, is in the milk then.
Claims (10)
1. retaining wall structure, this retaining wall structure comprises the cement-soil row of piles that is provided with along soil body supporting wall, form a plurality of earth anchors along this row of piles face, these a plurality of earth anchors prop up the soil body of mask back towards row of piles, along continuous straight runs or oblique extension, spacing between these a plurality of earth anchors is less than 2.5m, so that make these a plurality of earth anchors bear the effect of retaining soil in addition.
2. structure according to claim 1 is characterized in that above-mentioned earth anchor is by anchor pole, the netted stress system of soil stabilization of the tree root shape that soil nailing and stiffness enhancing member form.
3. structure according to claim 1 is characterized in that above-mentioned earth anchor is by anchor pole, the netted stress system of soil stabilization of the tree root shape that soil nailing and steel bar piece form.
4. structure according to claim 1 is characterized in that above-mentioned a plurality of earth anchor is plum blossom at row of piles supporting wall and forms layout.
5. structure according to claim 1 is characterized in that above-mentioned earth anchor is by anchor pole, and above-mentioned earth anchor is by anchor pole, at least a formation in soil nailing and the stiffness enhancing member.
6. the job practices of an above-mentioned retaining wall structure, the construction of this retaining wall structure comprises the steps:
Form the cement-soil row of piles along soil body supporting wall;
On cement-soil row of piles supporting face, the soil body that props up the mask back towards row of piles forms along level or oblique extension, and mutual spacing is less than a plurality of earth anchors of 2.5m.
7. method according to claim 6 is characterized in that above-mentioned cement earth pile is to adopt cement mix stake technology to form.
8. method according to claim 6 is characterized in that above-mentioned cement earth pile is to adopt rotary churning pile technology to form.
9. method according to claim 6, it is characterized in that above-mentioned earth anchor is by anchor pole, soil nailing and stiffness enhancing member form, this anchor pole is according to propping up at row of piles in the foundation soil body of mask back, from a mask along continuous straight runs, or a plurality of long isolated cement earth pillars of oblique formation, in these posts, insert steel bar piece, on cement-soil row of piles supporting face, the steel bar piece end is fixed with a retaining steel disc, or construct with adjacent that ways of connecting forms between end reinforced, this soil nailing is according to propping up at row of piles in the foundation soil body of mask back, from a mask along continuous straight runs, or a plurality of short isolated cement earth pillars of oblique formation, in these posts, insert steel bar piece, on cement-soil row of piles supporting face, the steel bar piece end is fixed with a retaining steel disc, or construct with adjacent that ways of connecting forms between end reinforced, above-mentioned stiffness enhancing member is to be formed at row of piles according to insertion to prop up level in the foundation soil body of mask back, or in the cement earth pillar of oblique extension, or insert in the above-mentioned foundation soil body and form.
10. method according to claim 6 is characterized in that above-mentioned earth anchor is by anchor pole, at least a formation in soil nailing and the stiffness enhancing member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99109655 CN1117196C (en) | 1999-07-05 | 1999-07-05 | Supporting structure for earth bodies and its construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99109655 CN1117196C (en) | 1999-07-05 | 1999-07-05 | Supporting structure for earth bodies and its construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1238410A CN1238410A (en) | 1999-12-15 |
| CN1117196C true CN1117196C (en) | 2003-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99109655 Expired - Fee Related CN1117196C (en) | 1999-07-05 | 1999-07-05 | Supporting structure for earth bodies and its construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1117196C (en) |
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1999
- 1999-07-05 CN CN 99109655 patent/CN1117196C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1238410A (en) | 1999-12-15 |
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| IP01 | Partial invalidation of patent right |
Decision date of declaring invalidation: 20050125 Decision number of declaring invalidation: 6849 Case number: 4W00792 Conclusion of examination: Review 99109655.X, declare the right of patent requirements, 10 1-8 invalid, 9 on the basis of maintaining the patent rights to remain in force. Decision date: 20050125 Denomination of invention: Soil support structure and construction method thereof Granted publication date: 20030806 Int.cl.7: E02D5/74 Patentee: Li Xiankui Review decision number: 6849 |
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