CN204151795U - Pattern foundation pit supporting structure bracing means - Google Patents
Pattern foundation pit supporting structure bracing means Download PDFInfo
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- CN204151795U CN204151795U CN201420475873.3U CN201420475873U CN204151795U CN 204151795 U CN204151795 U CN 204151795U CN 201420475873 U CN201420475873 U CN 201420475873U CN 204151795 U CN204151795 U CN 204151795U
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- rotary jet
- foundation pit
- pit supporting
- jet grouting
- grouting piles
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Abstract
The utility model discloses a kind of pattern foundation pit supporting structure bracing means, comprise reinforced rotary jet grouting piles and the rotary jet strengthening soil body for fitting with soldier pile side, described reinforced rotary jet grouting piles is arranged in the described rotary jet strengthening soil body, the churning body that described reinforced rotary jet grouting piles comprises stiffness body and fits with described stiffness external surface.By arranging the rotary jet strengthening soil body and reinforced rotary jet grouting piles in soldier pile side, strengthening foundation ditch bottom soil body drag, efficiently avoid the situation that soldier pile is out of shape in the course of the work, improve integral rigidity and the resistance to capsizing of the foundation pit supporting construction after deepening.And reinforce pile body relative to other, the reinforced rotary jet grouting piles construction period is shorter, achieves pattern foundation pit supporting structure bracing means and completes fast, effectively.
Description
Technical field
The utility model relates to foundation pit construction technical field, particularly relates to a kind of pattern foundation pit supporting structure bracing means.
Background technology
Along with the day of urban land is becoming tight, the paces of the construction of basement are also being accelerated increasingly, and pattern foundation pit supporting structure becomes an important step of underground structure excavation of foundation pit.At present, in foundation pit construction, extensively adopt soldier pile as foundation pit supporting construction, to prevent the distortion of foundation ditch surrounding enviroment and foundation ditch from collapsing, guarantee carrying out smoothly and construction safety of engineering construction.
In some foundation pit construction processes, due to the change of foundation ditch surrounding enviroment, or because of project needs, need to be about to the foundation pit deepened of having constructed, now, former foundation pit supporting construction is shaping, cannot change, the foundation pit supporting construction integral rigidity after intensification and resistance to capsizing die down.
Therefore, how improving the foundation pit supporting construction integral rigidity after intensification and resistance to capsizing, is the current technical issues that need to address of those skilled in the art.
Utility model content
In view of this, the utility model provides a kind of pattern foundation pit supporting structure bracing means, and this pattern foundation pit supporting structure bracing means can improve the foundation pit supporting construction integral rigidity after intensification and resistance to capsizing.
In order to solve the problem, the utility model provides a kind of pattern foundation pit supporting structure bracing means, comprise reinforced rotary jet grouting piles and the rotary jet strengthening soil body for fitting with soldier pile side, described reinforced rotary jet grouting piles is arranged in the described rotary jet strengthening soil body, the churning body that described reinforced rotary jet grouting piles comprises stiffness body and fits with described stiffness external surface.
Preferably, described reinforced rotary jet grouting piles is multiple.
Preferably, the face of multiple described reinforced rotary jet grouting piles axis formation is parallel with the face that multiple described soldier pile axis is formed.
Preferably, the distance between adjacent two described reinforced rotary jet grouting piles is equal.
Preferably, multiple described reinforced rotary jet grouting piles is fixedly connected with by stake top coupling beam.
Preferably, also comprise many anchor cables, described anchor cable comprises anchor pole and is fixed on the anchor head of described anchor pole end, described rock bolt head and described anchor head all with the coupling beam anchor connection of described stake top, described anchor pole afterbody is fixed between adjacent two soldier piles, and the angular range between described anchor pole axis and horizontal plane is 10 ° ~ 30 °.
Preferably, multiple described reinforced rotary jet grouting piles is corresponding one to one with multiple soldier pile.
In technique scheme, the pattern foundation pit supporting structure bracing means that the utility model provides comprises reinforced rotary jet grouting piles and the rotary jet strengthening soil body for fitting with soldier pile side, wherein reinforced rotary jet grouting piles is arranged in the rotary jet strengthening soil body, the churning body that reinforced rotary jet grouting piles comprises stiffness body and fits with stiffness external surface.Known by foregoing description, in the pattern foundation pit supporting structure bracing means that the utility model provides, by arranging the rotary jet strengthening soil body and reinforced rotary jet grouting piles in soldier pile side, strengthen foundation ditch bottom soil body drag, effectively avoid the situation that soldier pile is out of shape in the course of the work, improve integral rigidity and the resistance to capsizing of the foundation pit supporting construction after deepening.Relative to other pile body, the reinforced rotary jet grouting piles construction period is shorter, achieves pattern foundation pit supporting structure bracing means and completes fast, effectively.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the pattern foundation pit supporting structure bracing means that Fig. 1 provides for the utility model;
Fig. 2 is the top view of the bracing means of pattern foundation pit supporting structure shown in Fig. 1.
Wherein in Fig. 1-2: after the 1-rotary jet strengthening soil body, 2-anchor head, 3-anchor pole, 4-reinforced rotary jet grouting piles, 41-churning body, 42-stiffness body, 5-soldier pile, 6-stake top coupling beam, 7-deepen, foundation ditch bottom line, 8-deepen front foundation ditch bottom line.
Detailed description of the invention
Core of the present utility model is to provide a kind of pattern foundation pit supporting structure bracing means, and this pattern foundation pit supporting structure bracing means can improve the foundation pit supporting construction integral rigidity after intensification and resistance to capsizing.
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.
Please refer to Fig. 1 to Fig. 2, in a kind of detailed description of the invention, the pattern foundation pit supporting structure bracing means that the utility model provides, comprise reinforced rotary jet grouting piles 4 and the rotary jet strengthening soil body 1 for fitting with soldier pile 5 side, reinforced rotary jet grouting piles 4 is arranged in the rotary jet strengthening soil body 1, the churning body 41 that reinforced rotary jet grouting piles 4 comprises stiffness body 42 and fits with stiffness body 42 external surface.Concrete, reinforced rotary jet grouting piles 4 can be one, in order to improve integral rigidity and the resistance to capsizing of pattern foundation pit supporting structure bracing means, the utility model is preferred, and reinforced rotary jet grouting piles 4 is multiple, concrete, multiple reinforced rotary jet grouting piles 4 can form a line, and multiple soldier pile 5 also forms a line, and soldier pile 5 with reinforced rotary jet grouting piles 4 one_to_one corresponding or can stagger mutually, certainly, the arrangement mode of multiple reinforced rotary jet grouting piles 4 and multiple soldier pile 5 is not limited to above-mentioned two kinds.Concrete, the number of reinforced rotary jet grouting piles 4 and soldier pile 5 is determined according to the entire length of foundation pit supporting construction and concrete requirement of strength, and the utility model does not do concrete restriction.
Pattern foundation pit supporting structure bracing means is when constructing, and before former soldier pile, first reserve the foundation soil body of one fixed width, concrete remaining soils amount calculates according to actual needs to be determined.Then stirred by facility gunite, form the rotary jet strengthening soil body 1 of soldier pile 5, then shaped steel-stiffness body 42 is inserted in the corresponding pile center in 1 times to the 1.5 times soldier pile footpath position apart from soldier pile 5, and carry out secondary grouting stirring, form reinforced rotary jet grouting piles 4, distance between soldier pile 5 and reinforced rotary jet grouting piles 4 is not limited to above-mentioned situation, and after reinforced rotary jet grouting piles 4 enters and deepens, foundation ditch bottom line less than 7 degree of depth is that 1/2 ~ 1/3 reinforced rotary jet grouting piles stake is long.
Known by foregoing description, in the pattern foundation pit supporting structure bracing means that the utility model provides, by arranging the rotary jet strengthening soil body 1 and reinforced rotary jet grouting piles 4 in soldier pile 5 side, strengthen foundation ditch bottom soil body drag, effectively avoid the situation that soldier pile 5 is out of shape in the course of the work, improve integral rigidity and the resistance to capsizing of the foundation pit supporting construction after deepening.Relative to other pile body, reinforced rotary jet grouting piles 4 construction period is shorter, achieves pattern foundation pit supporting structure bracing means and completes fast, effectively.
Preferably, the face that multiple reinforced rotary jet grouting piles 4 axis is formed is parallel with the face that multiple soldier pile 5 axis is formed, and the utility model is preferred, and the face that multiple reinforced rotary jet grouting piles 4 axis is formed is parallel with the face that multiple soldier pile 5 axis is formed is plane.The face formed due to multiple reinforced rotary jet grouting piles 4 axis is parallel with the face that multiple soldier pile 5 axis is formed, foundation pit supporting construction is overall stressed comparatively even, efficiently avoid the situation that foundation pit supporting construction is in use out of shape, improve the safety in utilization of foundation pit supporting construction, further increase integral rigidity and the resistance to capsizing of foundation pit supporting construction.
More preferred, distance between adjacent two reinforced rotary jet grouting piles 4 is equal, namely multiple reinforced rotary jet grouting piles 4 equidistantly distributes successively, by multiple reinforced rotary jet grouting piles 4 is equidistantly distributed successively, further avoid the situation that foundation pit supporting construction is in use out of shape, improve the safety in utilization of foundation pit supporting construction, further improve integral rigidity and the resistance to capsizing of foundation pit supporting construction.
Further, multiple reinforced rotary jet grouting piles 4 is fixedly connected with by stake top coupling beam 6, after reinforced rotary jet grouting piles 4 machines, forms stake top coupling beam 6, improve bending resistance and the resistance to overturning of multiple reinforced rotary jet grouting piles 4 in the construction of reinforced rotary jet grouting piles 4 top.
Further, this pattern foundation pit supporting structure bracing means also comprises many anchor cables, its stream line comprises anchor pole 3 and is fixed on the anchor head 2 of anchor pole 3 end, anchor pole 3 head and anchor head 2 all with coupling beam 6 anchor connection of stake top, anchor pole 3 afterbody is fixed between adjacent two soldier piles 5, anchor pole 3 axis with the angle between horizontal plane be 10 ° ~ 30 ° through the rotary jet strengthening soil body 1 and its afterbody through adjacent two soldier piles 5.Anchor cable can with reinforced rotary jet grouting piles 4 one_to_one corresponding, also can interval arrange, the application does not do concrete restriction.By the anchor structure that reinforced rotary jet grouting piles 4 and anchor cable are formed, decrease the fulcrum span of foundation pit supporting construction, improve foundation pit supporting construction resistance to capsizing and integral rigidity; And make full use of existing foundation pit supporting construction, effectively reduce reinforcing cost.The pattern foundation pit supporting structure bracing means construction technology that the application provides is simple, work efficiency is remarkable, cost is low, strong adaptability, and does not affect the construction of underground structure, is convenient to promote and use.
In this manual, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. a pattern foundation pit supporting structure bracing means, it is characterized in that, comprise reinforced rotary jet grouting piles (4) and the rotary jet strengthening soil body (1) for fitting with soldier pile (5) side, described reinforced rotary jet grouting piles (4) is arranged in the described rotary jet strengthening soil body (1), the churning body (41) that described reinforced rotary jet grouting piles (4) comprises stiffness body (42) and fits with described stiffness body (42) external surface.
2. pattern foundation pit supporting structure bracing means according to claim 1, is characterized in that, described reinforced rotary jet grouting piles (4) is for multiple.
3. pattern foundation pit supporting structure bracing means according to claim 2, is characterized in that, the face that multiple described reinforced rotary jet grouting piles (4) axis is formed is parallel with the face that multiple described soldier pile (5) axis is formed.
4. pattern foundation pit supporting structure bracing means according to claim 2, is characterized in that, the distance between adjacent two described reinforced rotary jet grouting piles (4) is equal.
5. pattern foundation pit supporting structure bracing means according to claim 2, is characterized in that, multiple described reinforced rotary jet grouting piles (4) is pushed up coupling beam (6) by stake and is fixedly connected with.
6. pattern foundation pit supporting structure bracing means according to claim 5, it is characterized in that, also comprise many anchor cables, described anchor cable comprises anchor pole (3) and is fixed on the anchor head (2) of described anchor pole (3) end, described anchor pole (3) head and described anchor head (2) all with coupling beam (6) anchor connection of described stake top, described anchor pole (3) afterbody is fixed between adjacent two soldier piles (5), and the angular range of described anchor pole (3) between axis and horizontal plane is 10 ° ~ 30 °.
7. the pattern foundation pit supporting structure bracing means according to any one of claim 2-6, is characterized in that, multiple described reinforced rotary jet grouting piles (4) is corresponding one to one with multiple soldier pile (5).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420475873.3U CN204151795U (en) | 2014-08-22 | 2014-08-22 | Pattern foundation pit supporting structure bracing means |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420475873.3U CN204151795U (en) | 2014-08-22 | 2014-08-22 | Pattern foundation pit supporting structure bracing means |
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| CN204151795U true CN204151795U (en) | 2015-02-11 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104153373A (en) * | 2014-08-22 | 2014-11-19 | 中国建筑西南勘察设计研究院有限公司 | Foundation pit supporting reinforcing device |
| CN105696602A (en) * | 2016-03-17 | 2016-06-22 | 中南勘察设计院（湖北）有限责任公司 | Composite pile-anchor supporting method and structure for deepening excavation |
| 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 |
| CN113106981A (en) * | 2021-03-31 | 2021-07-13 | 河南省远基岩土工程有限公司 | Foundation pit deepening reinforcement support body |
-
2014
- 2014-08-22 CN CN201420475873.3U patent/CN204151795U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104153373A (en) * | 2014-08-22 | 2014-11-19 | 中国建筑西南勘察设计研究院有限公司 | Foundation pit supporting reinforcing device |
| CN104153373B (en) * | 2014-08-22 | 2017-01-18 | 中国建筑西南勘察设计研究院有限公司 | Foundation pit supporting reinforcing device |
| CN105696602A (en) * | 2016-03-17 | 2016-06-22 | 中南勘察设计院（湖北）有限责任公司 | Composite pile-anchor supporting method and structure for deepening excavation |
| 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 |
| CN113106981A (en) * | 2021-03-31 | 2021-07-13 | 河南省远基岩土工程有限公司 | Foundation pit deepening reinforcement support body |
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