CN220117220U - Immediately adjacent deep and shallow foundation pit support structure - Google Patents
Immediately adjacent deep and shallow foundation pit support structure Download PDFInfo
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- CN220117220U CN220117220U CN202320499114.XU CN202320499114U CN220117220U CN 220117220 U CN220117220 U CN 220117220U CN 202320499114 U CN202320499114 U CN 202320499114U CN 220117220 U CN220117220 U CN 220117220U
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- foundation pit
- plate
- deep
- shallow
- mounting plate
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 238000009412 basement excavation Methods 0.000 abstract description 7
- 229910000576 Laminated steel Inorganic materials 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Abstract
The utility model relates to the technical field of foundation pit support, in particular to a foundation pit support structure close to a deep foundation pit. The support structure of the foundation pit adjacent to the deep and shallow comprises a pressed steel plate and a mounting plate fixedly embedded on the pressed steel plate, and the pressed steel plate and the mounting plate are of an L-shaped structure; the T-shaped plates which are distributed at equal intervals are inserted into the mounting plate, a plurality of groups of fixing components which are distributed at equal intervals up and down are mounted on the vertical plate surfaces of the T-shaped plates, and the fixing components are used for pressing the short enclosing plates and the long enclosing plates which are used for enclosing shallow foundation pits and deep foundation pits. The support structure for the immediately-adjacent deep and shallow foundation pit, provided by the utility model, has the advantages that the junction of the shallow foundation pit and the deep foundation pit is integrally supported, so that the foundation pit is avoided, and the technical problem that the support system is unstable due to the mutual influence of internal force and deformation generated by excavation at the junction of the shallow foundation pit and the deep foundation pit and the mutual superposition of the internal force and the deformation in the conventional foundation pit structure can be solved.
Description
Technical Field
The utility model relates to the technical field of foundation pit support, in particular to a foundation pit support structure close to a deep foundation pit.
Background
In the construction of a building foundation pit, the foundation pit support engineering is used as a temporary engineering, so that the safety of the support structure in the whole construction process is ensured, and the safety of adjacent buildings and underground public facilities in the engineering is ensured by controlling the deformation of surrounding soil bodies. With the acceleration of urban construction, the situation that foundation pits are close to each other is more and more caused by the narrow field of a central area. On the one hand, foundation pit engineering has time and space effects, on the other hand, the adjacent foundation pits respectively have independent supporting systems and excavation schemes, and when the stress condition of a single foundation pit is analyzed independently, the problems of stress coordination and deformation coordination of the adjacent foundation pits are not considered, so that the supporting bodies cannot be well adapted to the working conditions of the adjacent deep and shallow foundation pit enclosures.
When foundation pits are adjacent to each other at intervals and the excavation depths are inconsistent, internal forces and deformation generated by excavation of the foundation pits adjacent to each other can affect each other and are overlapped with each other, at the moment, the stability problem of the support system is also more outstanding, and the traditional structure mode of mutually independent enclosure is adopted, so that the potential safety hazard is easily caused by the fact that the junction of the deep foundation pit and the shallow foundation pit is subjected to the internal forces generated by different excavation.
Accordingly, there is a need to provide a new immediately-below-depth foundation pit enclosure that solves the above-mentioned problems.
Disclosure of Invention
In order to solve the technical problems, the utility model provides an enclosure structure of a foundation pit adjacent to a deep foundation pit.
The utility model provides an adjacent deep and shallow foundation pit support structure, which comprises a shallow foundation pit, a deep foundation pit, a pressed steel plate and a mounting plate fixedly embedded on the pressed steel plate, wherein the shallow foundation pit and the deep foundation pit are adjacently distributed;
the T-shaped plates which are distributed at equal intervals are inserted into the mounting plate, a plurality of groups of fixing components which are distributed at equal intervals up and down are mounted on the vertical plate surfaces of the T-shaped plates, and the fixing components are used for pressing the short enclosing plates and the long enclosing plates which are used for enclosing shallow foundation pits and deep foundation pits.
Preferably, the fixing assembly comprises a threaded rod, the threaded rod is inserted into a threaded through hole formed in the perpendicular plate surface of the T-shaped plate, and the two ends of the threaded rod are respectively and fixedly provided with a knob and a fixing disc.
Preferably, the fixing assembly further comprises a tension spring, the tension spring is sleeved on the threaded rod, two ends of the tension spring are respectively and fixedly provided with a rotary ring, the rotary ring at one end of the tension spring is rotationally connected with the inner wall of the knob, and the rotary ring at the other end of the tension spring is rotationally connected with the outer wall of the T-shaped plate vertical plate.
Preferably, the horizontal plane of the T-shaped plate is inserted into the embedded groove formed in the mounting plate and is fixedly connected with the mounting plate through a screw, and the vertical plane of the T-shaped plate penetrates through the through groove formed in the mounting plate.
Preferably, the T-shaped plate installed on the plate surface of the mounting plate in the shallow foundation pit direction is shorter than the T-shaped plate installed on the plate surface of the mounting plate in the deep foundation pit direction.
Preferably, the pit wall of the shallow foundation pit is attached with a guard short plate, and the pit wall of the deep foundation pit is attached with a guard long plate.
Preferably, the telescopic adjusting support rod A and the telescopic adjusting support rod B for supporting the pressing steel plate on the side wall of the foundation pit are installed on the pressing steel plate, the telescopic adjusting support rod A is located in the shallow foundation pit, and the telescopic adjusting support rod B is located in the deep foundation pit.
Compared with the related art, the immediately-adjacent deep and shallow foundation pit support structure has the following beneficial effects:
according to the utility model, the shallow foundation pit and the deep foundation pit juncture are integrally protected, so that the foundation pit is avoided, and the technical problem that the supporting system is unstable due to the mutual influence and mutual superposition of internal force and deformation generated by excavation at the shallow foundation pit and the deep foundation pit juncture in the existing foundation pit structure can be solved;
according to the utility model, after the enclosing plate is installed, the knob is rotated to enable the fixing disc to firmly press the enclosing plate onto the pit wall of the foundation pit, so that the foundation pit is enclosed, and the tension spring is sleeved on the threaded rod, so that the knob can be pulled inwards, and abrasion of the threaded rod to the threaded through holes formed in the vertical plate surface of the T-shaped plate due to the fact that the enclosing plate is driven outwards by the foundation pit is reduced.
Drawings
FIG. 1 is a schematic view of a structure of a foundation pit enclosure structure according to a preferred embodiment of the present utility model;
FIG. 2 is a schematic view of the fixing assembly shown in FIG. 1;
fig. 3 is a schematic structural view of the mounting plate on the laminated steel plate shown in fig. 1.
Reference numerals in the drawings: 1. pressing the steel plates; 2. a mounting plate; 2a, a jogged groove; 2b, through grooves; 3. t-shaped plates; 4. a fixing assembly; 41. a threaded rod; 42. a knob; 43. a fixed plate; 44. a tension spring; 45. a rotating ring; 5. a telescopic adjusting stay bar A; 6. a telescopic adjusting stay bar B; 7. a short guard plate; 8. a long enclosure plate; 9a, shallow foundation pits; 9b, deep foundation pit.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Specific implementations of the utility model are described in detail below in connection with specific embodiments.
Referring to fig. 1 to 3, an immediately adjacent deep and shallow foundation pit support structure according to an embodiment of the present utility model includes: pressfitting steel sheet 1, mounting panel 2, T template 3 and fixed subassembly 4, shallow foundation pit 9a and deep foundation pit 9b are adjacent to be distributed, and laminating has the fender short board 7 on the pit wall of shallow foundation pit 9a, laminating has the fender long board 8 on the pit wall of deep foundation pit 9 b.
In the embodiment of the present utility model, referring to fig. 1 and 3, the pressing steel plate 1 is fixedly embedded with a mounting plate 2, the pressing steel plate 1 and the mounting plate 2 are in an L-shaped structure, and the mounting plate 2 is inserted with a plurality of T-shaped plates 3 which are distributed at equal intervals, specifically, the horizontal plane of the T-shaped plates 3 is inserted into an embedded groove 2a formed in the mounting plate 2 and fixedly connected with the mounting plate 2 through a screw, the vertical plane of the T-shaped plates 3 passes through a through groove 2b formed in the mounting plate 2, and the T-shaped plates 3 mounted on the plate surface of the mounting plate 2 positioned in the shallow foundation pit 9a are shorter than the T-shaped plates 3 mounted on the plate surface of the mounting plate 2 positioned in the deep foundation pit 9 b;
the telescopic adjusting support rod A5 and the telescopic adjusting support rod B6 for supporting the pressed steel plate 1 on the side wall of the foundation pit are arranged on the pressed steel plate 1.
It should be noted that: during installation, the laminated steel plate 1 spans over the foundation pit wall at the juncture of the shallow foundation pit 9a and the deep foundation pit 9B and is fixed by using screws, and then a telescopic adjusting brace is added to strengthen and fix the laminated steel plate 1, specifically, the telescopic adjusting brace A5 is positioned in the shallow foundation pit 9a, and the telescopic adjusting brace B6 is positioned in the deep foundation pit 9B, so that the installation of the laminated steel plate 1 at the shallow foundation pit 9a and the deep foundation pit 9B is completed;
the T-shaped plate 3 is mounted on the mounting plate 2, the length of the T-shaped plate is selected according to the shallow foundation pit 9a and the deep foundation pit 9b, the guard short plate 7 is inserted into a gap between the pit wall of the shallow foundation pit 9a and the vertical plate surface of the T-shaped plate 3, and the guard long plate 8 is inserted into a gap between the pit wall of the deep foundation pit 9b and the vertical plate surface of the T-shaped plate 3 (as shown in the attached figure 1);
it should be noted that: the enclosure structure avoids foundation pits by carrying out integrated enclosure on the junction of the shallow foundation pit 9a and the deep foundation pit 9b, and can solve the technical problem that the internal force and deformation generated by excavation at the junction of the shallow foundation pit 9a and the deep foundation pit 9b in the existing foundation pit structure can influence each other, are mutually overlapped and cause instability of a supporting system;
whereas in the present embodiment: the telescopic adjusting brace comprises a sleeve sleeved on the sliding rod, the end of the sliding rod is rotatably arranged on the pressing steel plate 1 through a bracket, the bottom of the sleeve is arranged in the shallow foundation pit 9a or the deep foundation pit 9B through a rotating bracket, the side wall of the sleeve, which is close to the top, is provided with a threaded fixing for locking the sliding rod, and the whole length of the telescopic adjusting brace A5 is smaller than that of the telescopic adjusting brace B6.
In the embodiment of the present utility model, referring to fig. 2, a plurality of groups of fixing assemblies 4 are mounted on the vertical plate surface of the T-shaped plate 3, the fixing assemblies 4 are used for pressing the enclosure short plates 7 and the enclosure long plates 8 for enclosure of the shallow foundation pit 9a and the deep foundation pit 9b, the fixing assemblies 4 comprise threaded rods 41, the threaded rods 41 are inserted into threaded through holes formed in the vertical plate surface of the T-shaped plate 3, two ends of the threaded rods 41 are respectively and fixedly provided with a knob 42 and a fixed disc 43, the fixing assemblies 4 further comprise tension springs 44, the tension springs 44 are sleeved on the threaded rods 41, two ends of the tension springs 44 are respectively and fixedly provided with rotating rings 45, one ends of the rotating rings 45 of the tension springs 44 are rotatably connected with the inner walls of the knob 42, and the rotating rings 45 at the other ends of the tension springs 44 are rotatably connected with the outer walls of the vertical plate of the T-shaped plate 3.
It should be noted that: after the enclosing plate is installed, the knob 42 is rotated to enable the fixing disc 43 to firmly press the enclosing plate onto the pit wall of the foundation pit, so that the foundation pit is enclosed, and as the tension spring 44 is sleeved on the threaded rod 41, the knob 42 can be pulled inwards, and abrasion of the threaded rod 41 to the threaded through holes formed in the vertical plate surface of the T-shaped plate 3 due to the fact that the enclosing plate is driven outwards by the foundation pit is reduced.
The circuits and control involved in the present utility model are all of the prior art, and are not described in detail herein.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (7)
1. The immediately adjacent deep and shallow foundation pit support structure comprises a shallow foundation pit (9 a) and a deep foundation pit (9 b), wherein the shallow foundation pit (9 a) and the deep foundation pit (9 b) are adjacently distributed, and the immediately adjacent deep and shallow foundation pit support structure is characterized by further comprising a pressed steel plate (1) and a mounting plate (2) fixedly embedded on the pressed steel plate (1), and the pressed steel plate (1) and the mounting plate (2) are in an L-shaped structure;
the T-shaped plates (3) which are distributed at equal intervals are respectively inserted on the mounting plate (2), a plurality of groups of fixing assemblies (4) which are distributed at equal intervals up and down are mounted on the vertical plate surfaces of the T-shaped plates (3), and the fixing assemblies (4) are used for pressing the enclosure short plates (7) and the enclosure long plates (8) of the enclosures of the shallow foundation pits (9 a) and the deep foundation pits (9 b).
2. The foundation pit enclosure structure immediately adjacent to the depth according to claim 1, wherein the fixing assembly (4) comprises a threaded rod (41), the threaded rod (41) is inserted into a threaded through hole formed in a perpendicular plate surface of the T-shaped plate (3), and two ends of the threaded rod (41) are fixedly provided with a knob (42) and a fixing disc (43) respectively.
3. The foundation pit enclosure structure immediately adjacent to the depth according to claim 2, wherein the fixing assembly (4) further comprises a tension spring (44), the tension spring (44) is sleeved on the threaded rod (41), two ends of the tension spring (44) are respectively and fixedly provided with a rotary ring (45), the rotary ring (45) at one end of the tension spring (44) is rotationally connected with the inner wall of the knob (42), and the rotary ring (45) at the other end of the tension spring (44) is rotationally connected with the outer wall of the vertical plate of the T-shaped plate (3).
4. The foundation pit enclosure structure immediately adjacent to the depth according to claim 1, wherein the horizontal plane of the T-shaped plate (3) is inserted into the embedded groove (2 a) formed in the mounting plate (2) and fixedly connected with the mounting plate (2) through a screw, and the vertical plane of the T-shaped plate (3) passes through the through groove (2 b) formed in the mounting plate (2).
5. The immediately adjacent deep and shallow foundation pit enclosure of claim 4, wherein the T-shaped plates (3) mounted on the plate surface of the mounting plate (2) in the direction of the shallow foundation pit (9 a) are shorter than the T-shaped plates (3) mounted on the plate surface of the mounting plate (2) in the direction of the deep foundation pit (9 b).
6. The immediately-adjacent deep and shallow foundation pit support structure according to claim 5, wherein a short guard plate (7) is attached to the pit wall of the shallow foundation pit (9 a), and a long guard plate (8) is attached to the pit wall of the deep foundation pit (9 b).
7. The immediately-adjacent deep and shallow foundation pit support structure according to claim 1, wherein the telescopic adjusting support rod A (5) and the telescopic adjusting support rod B (6) for supporting the pressed steel plate (1) on the side wall of the foundation pit are installed on the pressed steel plate (1), the telescopic adjusting support rod A (5) is located in the shallow foundation pit (9 a), and the telescopic adjusting support rod B (6) is located in the deep foundation pit (9B).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320499114.XU CN220117220U (en) | 2023-03-15 | 2023-03-15 | Immediately adjacent deep and shallow foundation pit support structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320499114.XU CN220117220U (en) | 2023-03-15 | 2023-03-15 | Immediately adjacent deep and shallow foundation pit support structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220117220U true CN220117220U (en) | 2023-12-01 |
Family
ID=88890745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320499114.XU Active CN220117220U (en) | 2023-03-15 | 2023-03-15 | Immediately adjacent deep and shallow foundation pit support structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220117220U (en) |
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2023
- 2023-03-15 CN CN202320499114.XU patent/CN220117220U/en active Active
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