CN220035441U - Concrete supporting system for deep foundation pit construction - Google Patents
Concrete supporting system for deep foundation pit construction Download PDFInfo
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- CN220035441U CN220035441U CN202320987621.8U CN202320987621U CN220035441U CN 220035441 U CN220035441 U CN 220035441U CN 202320987621 U CN202320987621 U CN 202320987621U CN 220035441 U CN220035441 U CN 220035441U
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- concrete
- foundation pit
- supports
- beams
- deep foundation
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- 239000004567 concrete Substances 0.000 title claims abstract description 110
- 238000010276 construction Methods 0.000 title claims abstract description 19
- 239000011150 reinforced concrete Substances 0.000 claims description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Abstract
The utility model discloses a concrete supporting system for deep foundation pit construction, which comprises a plurality of concrete supports, concrete surrounding purlins and inclined beams, wherein the concrete surrounding purlins are arranged on a foundation pit in a surrounding way, the concrete supports are arranged between the concrete surrounding purlins, the concrete supports are correspondingly arranged with upright posts, at least a first concrete supporting group and a second concrete supporting group are formed between the concrete supports, the first concrete supporting group comprises a plurality of concrete supports which are connected by utilizing single longitudinal connecting beams, and the single longitudinal connecting beams are connected with the upright posts and the concrete supports; at least a plurality of groups of column piles are arranged on each concrete support of the second concrete support group, the adjacent concrete supports are connected by using longitudinal connecting beams, and each group of column piles is also connected to the longitudinal connecting beams at the same time, so that a plurality of longitudinal connecting beam groups parallel to each other are formed. The utility model can improve the stability of the supporting system, the structural strength and the stability of the deep foundation pit supporting system, can not deform, has more reasonable stress and improves the safety of the system.
Description
Technical Field
The utility model relates to a concrete support system for deep foundation pit construction.
Background
Along with the continuous development of urban construction in China, the rail transit in each region is also rapidly developed, along with the continuous inflow of population into the city, the land resources in each region are pretty, the urban development is limited, under the condition that the shortage of the land resources is relieved by planning and constructing the rail transit in each region, and in the aspect of the construction and development of the rail transit, the construction difficulty of underground engineering foundation pits is continuously increased due to the existence of complex environmental factors such as a large number of pipelines or geological condition influence and the like around the rail transit. A foundation pit is a pit excavated at a base design position according to the elevation of a base and the plane size of the base, wherein a deep foundation pit refers to an engineering with an excavation depth of more than 5 meters (including 5 meters), or with a depth of not more than 5 meters, but with particularly complex geological conditions and surrounding environment and underground pipelines. In practice, the foundation pit engineering utilizes the combination of concrete supports or steel supports to realize the supports, and how to improve the strength of the concrete supports through structural improvement so as to prevent the deformation development of the foundation pit and improve the stability, so that the excavation time of the foundation pit can be shortened.
Disclosure of Invention
In order to solve the technical problems, the utility model aims to provide a concrete support system for deep foundation pit construction.
The utility model is realized by the following technical scheme: the concrete support system for deep foundation pit construction comprises a plurality of concrete supports, concrete surrounding purlins and inclined beams, wherein the concrete surrounding purlins are arranged around the foundation pit, the concrete supports are arranged between the concrete surrounding purlins, the concrete supports are correspondingly arranged with upright posts, at least a first concrete support group and a second concrete support group are formed between the concrete supports, the second concrete support group is arranged between the first concrete support groups, the first concrete support group comprises a plurality of concrete supports connected by utilizing single longitudinal connecting beams, and the single longitudinal connecting beams are connected with the upright posts and the concrete supports; and each concrete support of the second concrete support group is at least provided with a plurality of groups of column piles, the adjacent concrete supports are connected by using longitudinal connecting beams, and each group of column piles is also connected to the longitudinal connecting beams at the same time so as to form a plurality of longitudinal connecting beam groups which are parallel to each other.
Preferably, each concrete support of the second concrete support group is provided with three groups of upright posts, the adjacent concrete supports are connected by using longitudinal connecting beams, and each group of upright posts is also connected to the longitudinal connecting beams at the same time, so that three groups of parallel longitudinal connecting beam groups are formed.
Preferably, the cross-sectional dimension of the longitudinal tie beam is smaller than the cross-sectional dimension of the concrete support.
Preferably, the concrete purlin further comprises a gusset, wherein the gusset is arranged close to two ends of the concrete support, and the gusset is also arranged close to the position of the concrete purlin.
Preferably, the corner supports are arranged in a triangular mode at the connecting position of the concrete surrounding purlin and the concrete support.
Preferably, the gusset may be a reinforced concrete gusset.
Preferably, the foundation pit further comprises inclined beams, and at least two inclined beams are distributed at the corner of at least one side of the foundation pit.
Preferably, the two oblique beams are connected by using oblique connecting beams.
Preferably, the joint of the foundation pit side corner is also provided with a gusset.
According to the utility model, by utilizing the concrete support structure designs of different groups, the stability of the support system is improved, the structural strength is improved, the stability of the deep foundation pit support system is improved, deformation is avoided, the stress is more reasonable, and the safety of the system is improved.
Drawings
In order to more clearly illustrate the technical solutions of the present utility model, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a plan layout structural view of one side of the present utility model.
Fig. 2 is a view showing the other side plan layout structure of the present utility model.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Referring to fig. 1 and 2, a concrete supporting system for deep foundation pit construction comprises a plurality of concrete supports 1, longitudinal connecting beams 2, gussets 3, concrete purlins 4 and diagonal beams 5, wherein the concrete purlins 4 are arranged in an enclosure structure in a surrounding manner, the concrete supports 1 are arranged between the concrete purlins 4, each concrete support corresponds to at least one column pile 10, at least a first concrete supporting group 11 and a second concrete supporting group 12 are formed between the concrete supports 1, the second concrete supporting group 12 is arranged between the first concrete supporting groups 11, the first concrete supporting groups 11 are connected by utilizing single longitudinal connecting beams 2, and each column pile 10 is also connected to the longitudinal connecting beams 2 simultaneously so as to connect the column piles 10, the concrete supports 1 and the longitudinal connecting beams; at least three sets of upright posts 10 are arranged on each concrete support 1 of the second concrete support group 12, the adjacent concrete supports 1 are connected by using the longitudinal connecting beams 2, and each upright post 10 is also connected to the longitudinal connecting beams 2 at the same time, so that at least a plurality of longitudinal connecting beam groups parallel to each other are formed between the second concrete support groups 12, as shown in the attached drawing, the longitudinal connecting beam groups are three, and thus, the support system can improve the bearing capacity, the structural strength, the stability of the support system, the defects such as skew and the like are not easy to occur, and the safety of the enclosure structure is improved through the structural improvement of the concrete support groups; in one embodiment, the cross-sectional dimension of the longitudinal tie beam 2 is smaller than the cross-sectional dimension of the concrete support 1. In a specific embodiment, the cross-sectional dimension of the concrete support is 1000mm x 1000mm, the cross-sectional dimension of the longitudinal tie beam is 600mm x 800mm, and the column pile is a phi 1100 column pile.
Further, the gussets 3 are arranged close to two ends of the concrete support 1, meanwhile, the gussets 3 are also arranged close to the position of the concrete enclosing purlin 4, the gussets 2 are arranged in a triangular mode at the connecting position of the concrete enclosing purlin 4 and the concrete support 1, so that bearing force is further effectively improved, and the gussets 3 can be reinforced concrete gussets. In addition, two sloping beams 5 are at least arranged at the corner of at least one side of the foundation pit, the two sloping beams 5 can be connected by utilizing oblique connecting beams, and meanwhile, the corner support 3 is also arranged at the joint of the corner of one side of the deep foundation pit, so that the stability is improved. According to the utility model, by utilizing the concrete support structure designs of different groups, the stability of the support system is improved, the structural strength is improved, the stability of the deep foundation pit support system is improved, deformation is avoided, the stress is more reasonable, and the safety of the system is improved.
While the foregoing description illustrates and describes the preferred embodiments of the present utility model, as noted above, it is to be understood that the utility model is not limited to the forms disclosed herein but is not to be construed as excluding other embodiments, and that various other combinations, modifications and environments are possible and may be made within the scope of the inventive concepts described herein, either by way of the foregoing teachings or by those of skill or knowledge of the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.
Claims (9)
1. The concrete supporting system for deep foundation pit construction is characterized by comprising a plurality of concrete supports, concrete surrounding purlins and inclined beams, wherein the concrete surrounding purlins are arranged in the foundation pit in a surrounding mode, the concrete supports are arranged between the concrete surrounding purlins, the concrete supports are correspondingly arranged with upright posts, at least a first concrete supporting group and a second concrete supporting group are formed between the concrete supports, the second concrete supporting group is arranged between the first concrete supporting groups, the first concrete supporting group comprises a plurality of concrete supports connected by utilizing single longitudinal connecting beams, and the single longitudinal connecting beams are connected with the upright posts and the concrete supports; and each concrete support of the second concrete support group is at least provided with a plurality of groups of column piles, the adjacent concrete supports are connected by using longitudinal connecting beams, and each group of column piles is also connected to the longitudinal connecting beams at the same time so as to form a plurality of longitudinal connecting beam groups which are parallel to each other.
2. A concrete support system for deep foundation pit construction according to claim 1, wherein three sets of column piles are arranged on each concrete support of the second concrete support set, adjacent concrete supports are connected by means of longitudinal tie beams, and each set of column piles is also connected to the longitudinal tie beams simultaneously so as to form three sets of longitudinal tie beam sets parallel to each other.
3. A concrete support system for deep foundation pit construction according to claim 1, wherein the cross-sectional dimension of the longitudinal tie beam is smaller than the cross-sectional dimension of the concrete support.
4. A concrete support system for deep foundation pit construction according to claim 1, further comprising gussets disposed proximate to both ends of the concrete support, and wherein the gussets are disposed proximate to the concrete purlin.
5. A concrete support system for deep foundation pit construction according to claim 4, wherein the gusset presents a triangular layout at the connection location of the concrete purlin and the concrete support.
6. A concrete support system for deep foundation pit construction according to claim 4, wherein the gusset is a reinforced concrete gusset.
7. The concrete support system for deep foundation pit construction of claim 1, further comprising diagonal beams, wherein at least two diagonal beams are disposed at least one side corner of the foundation pit.
8. The concrete support system for deep foundation pit construction of claim 7, wherein the two diagonal beams are connected by means of diagonal connecting beams.
9. The concrete support system for deep foundation pit construction of claim 7, wherein the junction of the foundation pit side corners is further provided with gussets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320987621.8U CN220035441U (en) | 2023-04-27 | 2023-04-27 | Concrete supporting system for deep foundation pit construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320987621.8U CN220035441U (en) | 2023-04-27 | 2023-04-27 | Concrete supporting system for deep foundation pit construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220035441U true CN220035441U (en) | 2023-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320987621.8U Active CN220035441U (en) | 2023-04-27 | 2023-04-27 | Concrete supporting system for deep foundation pit construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220035441U (en) |
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2023
- 2023-04-27 CN CN202320987621.8U patent/CN220035441U/en active Active
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