CN220225346U - Foundation pit supporting structure and supporting system - Google Patents
Foundation pit supporting structure and supporting system Download PDFInfo
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- CN220225346U CN220225346U CN202321708388.1U CN202321708388U CN220225346U CN 220225346 U CN220225346 U CN 220225346U CN 202321708388 U CN202321708388 U CN 202321708388U CN 220225346 U CN220225346 U CN 220225346U
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- triangular truss
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- 238000010276 construction Methods 0.000 abstract description 9
- 230000009467 reduction Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 8
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Abstract
The application provides a foundation ditch supporting construction and support system, include: and the supporting piles are vertically driven into the edges of the foundation pit, the crown beams are arranged on the upper parts of the supporting piles, the triangular trusses span the two sides of the foundation pit, and the two ends of the triangular trusses are connected with the crown beams. And the support is arranged at the lower part of the triangular truss, one end of the support is connected with the triangular truss, the other end of the support is connected with the bottom of the foundation pit through a column pile foundation, and the triangular truss comprises a main pressure-bearing rod assembly, a support rod assembly and an inclined support rod assembly. This application supports the lower part in the middle of the triangular truss through the pillar to form triangular frame on the triangular truss through the structure of multiple structure, improve triangular truss's structural strength, and through the connection between a plurality of triangular trusses, further improve whole supporting construction's intensity, very big reduction the quantity of pillar, be convenient for operate in the foundation ditch bottom, and triangular truss comprises the polylith, convenient transportation after dismantling, and through flange joint, can dismantle used repeatedly, reduce use cost.
Description
Technical Field
The application relates to the technical field of engineering infrastructure, in particular to a foundation pit supporting structure and a supporting system.
Background
At present, along with the rapid development of urban infrastructure construction in China, building scale such as high-rise building in big cities, underground market is expanding gradually, when carrying out this kind of building construction, need excavate the foundation ditch, in order to avoid the foundation ditch to collapse and influence the safety of adjacent building, need use foundation ditch supporting structure and supporting system, chinese patent application No. 202211303689.6 discloses a prefabricated assembled concrete supporting structure of foundation ditch, it is through a plurality of supporting piles, the roof beam, a plurality of supporting crossbeams and a plurality of adaptor support all around in the foundation ditch inside, however in this supporting system, the support column of foundation ditch bottom is more, and actual construction is in order to guarantee supporting stability, the interval of supporting column is around 10 meters, result in the construction space at foundation ditch bottom is little, the construction, influence construction equipment's operation, for this reason people have designed some novel supporting structures again, in order to reduce the quantity of support column in the foundation ditch, as the chinese patent application No. 202122967239.4 discloses an assembled suspension supporting device for supporting, this scheme forms supporting system through stand and lattice beam structure, can guarantee that the support column can be guaranteed, the support column number is reduced, the number of support column structure need in the foundation ditch is reduced, the space is still need to be reduced in the supporting space of the support column, the space is still need to be increased in the support column structure, the space is guaranteed, the space is still need to be increased in the supporting the support column, the space is only, the support space is needed to be reduced.
Disclosure of Invention
In order to solve the problem, the application provides a foundation pit supporting structure and supporting system, consolidates main pressure-bearing beam through using the triangular truss subassembly to support main pressure-bearing beam middle part through the pillar, reduce the quantity of pillar, improve the space of foundation pit internal operation.
The application is realized by the following technical scheme:
the application proposes a foundation ditch supporting construction, include:
the support pile is vertically driven into the edge of the foundation pit, and a crown beam is arranged at the upper part of the support pile;
the triangular truss stretches across two sides of the foundation pit, and two ends of the triangular truss are connected with the crown beams;
the support is arranged at the lower part of the triangular truss, one end of the support is connected with the triangular truss, and the other end of the support is connected with the bottom of the foundation pit through a column pile foundation;
the triangular truss comprises a main pressure-bearing rod assembly, a support rod assembly and an inclined support rod assembly, wherein the first end of the support rod assembly is connected with the main pressure-bearing rod assembly, the inclined support rod assembly takes the support rod assembly as an axis, the inclined support rod assembly is symmetrically arranged on the main pressure-bearing rod assembly, and the support column is connected with the support rod assembly.
Further, the main pressure-bearing rod assembly comprises a straight pipe, a cross joint, a K-shaped joint and a Y-shaped joint, wherein the K-shaped joint and the Y-shaped joint are symmetrically arranged on two sides of the cross joint after being detachably connected through the straight pipe.
Further, the cross is connected to a pillar, and the pillar is perpendicular to the horizontal plane.
Further, the K-shaped joint is connected with the crown beam through a straight pipe.
Further, the support rod assembly comprises a straight pipe, a rice-shaped connector and a top connector, wherein the rice-shaped connector and the top connector are detachably connected through the straight pipe, and the lower part of the rice-shaped connector is detachably connected with the cross connector through the straight pipe.
Further, the diagonal brace component comprises a straight pipe, a K-shaped connector, a Y-shaped connector and a special-shaped connector, wherein the K-shaped connector, the Y-shaped connector and the special-shaped connector are detachably connected through the straight pipe.
Further, the straight pipe, the cross joint, the K-shaped joint, the Y-shaped joint, the rice-shaped joint, the top joint and the special-shaped joint are used for forming a plurality of triangular frames on the triangular truss.
Further, the detachable connection is a flange connection.
The utility model provides a foundation ditch support system, includes many support stake, a plurality of triangular truss, many support stake intervals set up in the foundation ditch inside, and support stake upper end all with crown roof beam fixed connection, the triangular truss interval is installed on crown roof beam, connect through the tie-beam between the triangular truss.
Further, the triangular truss has two layers, and the support pile middle part is equipped with the waist rail, and the triangular truss both ends of lower floor are connected with the support pile through the waist rail, and the bracing piece subassembly of the triangular truss of lower floor and the bracing piece subassembly coaxial coupling of the triangular truss of upper strata.
The beneficial effects of this application: the lower part in the middle of the triangular truss is supported through the support, and form triangular frame on the triangular truss through the structure of multiple structures, improve the structural strength of the triangular truss, and through the connection between a plurality of triangular trusses, further improve the intensity of whole supporting construction, very big reduction the quantity of support, be convenient for operate in the foundation ditch bottom, and the triangular truss comprises the polylith, convenient transportation after dismantling, and through flange joint, can dismantle used repeatedly, reduce use cost.
Drawings
FIG. 1 is a schematic view of the structure of a triangular truss of the present utility model;
FIG. 2 is a schematic illustration of the construction of a primary pressure-containing rod assembly;
FIG. 3 is a schematic view of the structure of the support rod assembly;
FIG. 4 is a schematic structural view of a diagonal brace member;
FIG. 5 is a schematic diagram of a single layer foundation pit support system;
FIG. 6 is a schematic diagram of a double layer foundation pit support system;
the reference numerals in the drawings are as follows:
1-supporting piles, 2-crown beams, 3-triangular trusses, 4-supporting columns, 5-main pressure-bearing rod assemblies, 6-supporting rod assemblies, 7-diagonal bracing rod assemblies, 8-connecting beams, 9-cross joints, 10-K joints, 11-Y joints, 12-meter joints, 13-top joints, 14-special-shaped joints and 16-waist beams.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present application are merely used to explain the relative positional relationship, movement conditions, and the like between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are correspondingly changed.
Furthermore, the descriptions of "first," "second," and the like, herein are for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
As shown in fig. 1 to 6, an embodiment of the present utility model provides a foundation pit supporting structure, including: the support pile 1, the triangular truss 3, pillar 4, wherein support pile 1 drives into perpendicularly and takes the foundation ditch edge, support pile 1 upper portion is equipped with the roof beam 2, triangular truss 3 straddles the foundation ditch both sides, and triangular truss 3 both ends are connected with roof beam 2, pillar 4 locates the triangular truss 3 lower part, pillar 4 one end is connected with triangular truss 3, the pillar 4 other end passes through the stand pile foundation and is connected with the foundation ditch bottom, triangular truss 3 includes main pressure-bearing pole subassembly 5, bracing piece subassembly 6, diagonal brace subassembly 7, bracing piece subassembly 6 first end is connected with main pressure-bearing pole subassembly 5, diagonal brace subassembly 7 regards bracing piece subassembly 6 as the axis, the symmetry is installed on main pressure-bearing pole subassembly 5, pillar 4 is connected with bracing piece subassembly 6.
The triangle truss 3 is symmetrically provided with the diagonal bracing assembly 7, and a plurality of triangle frames can be matched in cooperation with various structures on the main pressure-bearing rod assembly 5 and the supporting rod assembly 6, so that the mechanism strength of the triangle truss 3 is improved, meanwhile, after the lower portion of the supporting rod assembly 6 is supported by the supporting column 4, the stability of the triangle truss 3 can be ensured, the number of the supporting columns 4 is reduced, and the operation at the bottom of a foundation pit is facilitated.
In a preferred embodiment, as shown in fig. 2, the main bearing rod assembly 5 comprises a straight pipe, a cross joint 9, a K-shaped joint 10 and a Y-shaped joint 11, wherein the K-shaped joint 10 and the Y-shaped joint 11 are symmetrically arranged at two sides of the cross joint 9 after being detachably connected through the straight pipe, the dimensions of the K-shaped joint 10 and the Y-shaped joint 11 are designed through drawings and marked on the joints so as to facilitate splicing, the cross joint 9 plays a central role, the lower part of the cross joint 9 is connected with a support post 4, and the upper part of the cross joint 9 is connected with a support rod assembly 6.
Specifically, the cross joint 9 is connected with the support column 4, and the support column 4 is vertical to the horizontal plane, and the cross joint 9 transmits the supporting force provided by the support column 4 to other components through the cross joint 9, so that the stability of the triangular truss 3 is ensured.
Specifically, the K-shaped connector 10 is connected with the crown beam 2 through a straight pipe, and as the triangular truss 3 can be repeatedly used, the K-shaped connector 10 can be further provided with the straight pipes with different lengths for using foundation pits with different sizes, so that the supporting requirements of the foundation pits with different sizes are met.
Preferably, as shown in fig. 3, the support rod assembly 6 comprises a straight pipe, a rice-shaped joint 12 and a top joint 13, wherein the rice-shaped joint 12 and the top joint 13 are detachably connected through the straight pipe, the lower part of the rice-shaped joint 12 is detachably connected with the cross joint 9 through the straight pipe, the support rod assembly 6 provides upward supporting force and is distributed on the diagonal brace member 7 through various structures, and the triangular truss 3 is prevented from being bent downwards.
In a preferred embodiment, as shown in fig. 4, the diagonal brace member 7 comprises a straight pipe, a K-shaped joint 10, a Y-shaped joint 11 and a special-shaped joint 14, wherein the K-shaped joint 10, the Y-shaped joint 11 and the special-shaped joint 14 are detachably connected through the straight pipe, and the diagonal brace member 7 is used for supporting the main pressure-bearing rod assembly 5 to improve the bending resistance of the main pressure-bearing rod assembly.
Preferably, the straight pipe, the cross joint 9, the K-shaped joint 10, the Y-shaped joint 11, the rice-shaped joint 12, the top joint 13 and the special-shaped joint 14 are used for forming a plurality of triangular frames on the triangular truss 3, and the bending resistance of the main pressure-bearing rod assembly 5 is enhanced by utilizing the characteristic of high triangular stability, so that the bending deformation of the main pressure-bearing rod assembly 5 in the supporting process is avoided.
In a preferred embodiment, the detachable connection is a flange connection, so that the triangular truss 3 can be detached for reuse, and the use cost is reduced.
As shown in FIG. 5, a foundation pit supporting system comprises a plurality of supporting piles 1 and a plurality of triangular trusses 3, wherein the supporting piles 1 are arranged inside a foundation pit at intervals, the upper ends of the supporting piles 1 are fixedly connected with a crown beam 2, the triangular trusses 3 are arranged on the crown beam 2 at intervals, the triangular trusses 3 can simultaneously support the supporting piles 1 on two sides of the foundation pit through the crown beam 2, the supporting piles 1 are prevented from toppling in the foundation pit in the supporting process, the safety of the foundation pit and peripheral buildings is guaranteed, the triangular trusses 3 are connected through connecting beams 8, the number of the triangular trusses 3 can be designed according to the actual engineering conditions, and the integral strength is guaranteed by mutually connecting the triangular trusses 3.
In a preferred embodiment, as shown in fig. 6, the triangular truss 3 has two layers, the middle part of the supporting pile 1 is provided with a waist beam 15, two ends of the triangular truss 3 at the lower layer are connected with the supporting pile 1 through the waist beam 15, the supporting rod component 6 of the triangular truss 3 at the lower layer is coaxially connected with the supporting rod component 6 of the triangular truss 3 at the upper layer, when the foundation pit is deeper, the supporting pile 1 is only supported at the upper part, so that the supporting pile 1 is also required to be supported at the middle part, after the waist beam 15 is constructed on the supporting pile 1, the waist beam 15 is supported through the triangular truss 3, the supporting force provided by the triangular truss 3 is distributed to the middle part of the supporting pile 1, and the stability of the middle part of the supporting pile in the deep foundation pit is improved. Meanwhile, the triangular trusses 3 on the upper layer and the lower layer are connected with each other, so that the whole support system is connected into a whole, and the overall structural strength is improved.
Of course, there are various other embodiments of the present application, and based on this embodiment, those of ordinary skill in the art may obtain other embodiments without any inventive effort, which fall within the scope of protection of the present application.
Claims (10)
1. A foundation pit supporting structure, comprising:
the support pile (1) is vertically driven into the edge of the foundation pit, and a crown beam (2) is arranged at the upper part of the support pile (1);
the triangular truss (3) spans across two sides of the foundation pit, and two ends of the triangular truss (3) are connected with the crown beams (2);
the support column (4) is arranged at the lower part of the triangular truss (3), one end of the support column (4) is connected with the triangular truss (3), and the other end of the support column (4) is connected with the bottom of the foundation pit through a column pile foundation;
the triangular truss (3) comprises a main pressure-bearing rod assembly (5), a support rod assembly (6) and an inclined support rod assembly (7), wherein the first end of the support rod assembly (6) is connected with the main pressure-bearing rod assembly (5), the inclined support rod assembly (7) is symmetrically arranged on the main pressure-bearing rod assembly (5) by taking the support rod assembly (6) as an axis, and the support column (4) is connected with the support rod assembly (6).
2. The foundation pit supporting structure according to claim 1, wherein the main bearing rod assembly (5) comprises a straight pipe, a cross joint (9), a K-shaped joint (10) and a Y-shaped joint (11), and the K-shaped joint (10) and the Y-shaped joint (11) are symmetrically arranged at two sides of the cross joint (9) after being detachably connected through the straight pipe.
3. Foundation pit supporting structure according to claim 2, characterized in that the cross joint (9) is connected to the support column (4) and that the support column (4) is perpendicular to the horizontal plane.
4. Foundation pit supporting structure according to claim 2, characterized in that the K-joint (10) is connected to the crown beam (2) by means of a straight pipe.
5. The foundation pit supporting structure according to claim 1, wherein the supporting rod assembly (6) comprises a straight pipe, a rice-shaped joint (12) and a top joint (13), the rice-shaped joint (12) and the top joint (13) are detachably connected through the straight pipe, and the lower part of the rice-shaped joint (12) is detachably connected with the cross joint (9) through the straight pipe.
6. The foundation pit supporting structure according to claim 1, wherein the diagonal brace assembly (7) comprises a straight pipe, a K-shaped joint (10), a Y-shaped joint (11) and a special-shaped joint (14), and the K-shaped joint (10), the Y-shaped joint (11) and the special-shaped joint (14) are detachably connected through the straight pipe.
7. Foundation pit supporting structure according to any one of claims 2, 5, 6, characterized in that the straight pipes, cross joints (9), K-joints (10), Y-joints (11), rice-joints (12), top joints (13), profiled joints (14) are used to form a plurality of triangular frames in the triangular truss (3).
8. The pit supporting structure of any one of claims 2, 5, 6, wherein the detachable connection is a flanged connection.
9. The foundation pit supporting system is characterized by comprising a plurality of supporting piles (1) and a plurality of triangular trusses (3), wherein the supporting piles (1) are arranged inside a foundation pit at intervals, the upper ends of the supporting piles (1) are fixedly connected with the crown beams (2), the triangular trusses (3) are arranged on the crown beams (2) at intervals, and the triangular trusses (3) are connected through connecting beams (8).
10. The foundation pit supporting system according to claim 9, wherein the triangular truss (3) has two layers, a waist beam (15) is arranged in the middle of the supporting pile (1), two ends of the triangular truss (3) of the lower layer are connected with the supporting pile (1) through the waist beam (15), and the supporting rod component (6) of the triangular truss (3) of the lower layer is coaxially connected with the supporting rod component (6) of the triangular truss (3) of the upper layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321708388.1U CN220225346U (en) | 2023-06-30 | 2023-06-30 | Foundation pit supporting structure and supporting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321708388.1U CN220225346U (en) | 2023-06-30 | 2023-06-30 | Foundation pit supporting structure and supporting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220225346U true CN220225346U (en) | 2023-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321708388.1U Active CN220225346U (en) | 2023-06-30 | 2023-06-30 | Foundation pit supporting structure and supporting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220225346U (en) |
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2023
- 2023-06-30 CN CN202321708388.1U patent/CN220225346U/en active Active
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