CN212714963U - Environment-friendly foundation pit supporting structure - Google Patents
Environment-friendly foundation pit supporting structure Download PDFInfo
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- CN212714963U CN212714963U CN202021208407.0U CN202021208407U CN212714963U CN 212714963 U CN212714963 U CN 212714963U CN 202021208407 U CN202021208407 U CN 202021208407U CN 212714963 U CN212714963 U CN 212714963U
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- steel plate
- pipe pile
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- foundation pit
- groove
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Abstract
The utility model discloses an environment-friendly excavation supporting construction aims at solving excavation supporting and can not reuse and lead to the problem that the cost is too high, and its technical scheme main points are: the utility model discloses a base steel sheet, the supporting steel board, end steel-pipe pile and strut steel-pipe pile, a base steel sheet side is provided with a plurality of connecting holes, base steel sheet top surface is from being close to and keeping away from the connecting hole side direction and having set gradually first logical groove, the second leads to groove and fixed orifices, the supporting steel board is through its lower extreme and first logical groove assorted fixture block fixed connection on the base steel sheet, be equipped with a plurality of card holes on the fixture block, the end of end steel-pipe pile passes the connecting hole of base steel sheet side in proper order, first logical groove, be located the first logical groove card hole and the second that lead to on the fixture block of supporting steel sheet lower part lead to the groove and fixed connection on the base steel sheet, strut the steel-pipe pile and pass the perpendicular anchoring of fixed orifices in the foundation ditch bottom surface, the utility.
Description
Technical Field
The utility model relates to a construction technical field, more specifically say, it relates to an environment-friendly excavation supporting construction.
Background
The foundation pit support is a retaining, reinforcing and protecting measure adopted for the side wall of the foundation pit and the surrounding environment in order to ensure the safety of the construction of an underground structure and the surrounding environment of the foundation pit.
At present, the Chinese utility model with the bulletin number of CN206477344U discloses a foundation pit supporting structure, which comprises prestressed pipe piles which are buried in soil around a foundation pit and are arranged at intervals; the steel section is inserted into the prestressed pipe pile; and a crown beam formed at the top of the prestressed pipe pile in a pouring manner, and connecting the prestressed pipe piles into a whole through the crown beam. The prestressed pipe piles arranged in rows are combined with the crown beam arranged at the top of the pipe pile and in the full length as a supporting structure of the foundation pit, so that the deformation of the side wall of the foundation pit is reduced, and the foundation pit is ensured to be in a stable state. And the steel part is inserted into the prestressed pipe pile, so that the bending resistance and the shearing resistance of a single pipe pile are improved, and the overall stress performance of the supporting structure is finally improved. The stability of the support of the foundation pit is ensured. Although this kind of excavation supporting combines to set up at the tubular pile top and leads to long crown beam as the supporting construction of foundation ditch through the prestressing force tubular pile of laying, has strengthened excavation supporting's steadiness, nevertheless because excavation supporting engineering is temporary engineering, above-mentioned utility model's excavation supporting construction can't retrieve reuse, has increased the excavation supporting's of building cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an environment-friendly excavation supporting structure in order to solve the above-mentioned problem.
The above technical purpose of the present invention can be achieved by the following technical solutions: an environment-friendly foundation pit supporting structure comprises a base steel plate, a supporting steel plate, a bottom steel pipe pile and a supporting steel pipe pile, wherein the base steel plate is horizontally placed on the bottom surface of a foundation pit, a plurality of connecting holes are formed in one side surface of the base steel plate, a first through groove is sequentially formed in the top surface of the base steel plate from the side close to the connecting holes to the side far away from the connecting holes, the second leads to groove and fixed orifices, first logical groove and second lead to groove and connecting hole intercommunication, supporting steel plate is through its lower extreme and first logical groove assorted fixture block fixed connection on the base steel sheet, be equipped with a plurality of card holes on the fixture block, end steel-pipe pile includes most advanced and end, the end of end steel-pipe pile passes the connecting hole of base steel sheet side in proper order, first logical groove, be located card hole and second logical groove and fixed connection on the fixture block of first logical groove supporting steel plate lower part on the base steel sheet, the most advanced foundation ditch inner wall that goes deep into of end steel-pipe pile, it passes the perpendicular anchoring of fixed orifices in the foundation ditch bottom surface to strut the steel-pipe pile.
By adopting the technical scheme, the tip of the bottom steel pipe pile extends into the inner wall of the foundation pit to play a role in stabilizing the interior of the foundation pit, then the fixture block at the lower end of the supporting steel plate is inserted into the first through groove of the base steel plate, then the tail end of the bottom steel pipe pile sequentially passes through the connecting hole on the side surface of the base steel plate, the first through groove, the clamping hole on the fixture block at the lower part of the supporting steel plate in the first through groove and the second through groove and is fixedly connected on the base steel plate, the supporting steel plate is fixedly connected to the base steel plate through the bottom steel pipe pile, an inverted T-shaped support is formed from the side surface, the stability of the supporting steel plate is enhanced, the stable supporting steel plate plays a role in stabilizing the inner wall of the foundation pit, then the supporting steel pipe pile passes through the fixing hole on the base steel plate and is vertically anchored in the bottom surface of the foundation, meanwhile, each component can be assembled and can be disassembled and recycled after use, so that the effect of recycling is achieved, the cost of next foundation pit support is reduced, the waste of materials is reduced, and the effect of green and environment protection is achieved.
Further, end steel-pipe pile includes first connecting portion and second connecting portion, and most advanced position is in first connecting portion, and first connecting portion keep away from most advanced department and be threaded connection with the second connecting portion.
Through adopting above-mentioned technical scheme, the base steel pipe includes first connecting portion and second connecting portion, and first connecting portion are kept away from tip department and are threaded connection with the second connecting portion, are convenient for assemble and dismantle first connecting portion and second connecting portion through the screw thread, because excavation supporting makes interim engineering, after the ground capital construction, detachable base steel pipe is convenient for transport storage and reutilization, has reduced the waste of material.
Further, the second connecting portion and the base steel plate are in threaded connection.
Through adopting above-mentioned technical scheme, second connecting portion and base steel sheet are threaded connection, have played end steel-pipe pile and base steel sheet fixed connection's effect through threaded connection, have increased excavation supporting's stability, and convenient to detach reaches reutilization after the use is accomplished simultaneously.
Further, the outer surface of the joint of the first connecting portion and the second connecting portion is hexagonal, and the outer surface of the second connecting portion at the second through groove portion is hexagonal.
Through adopting above-mentioned technical scheme, the surface of the junction of first connecting portion and second connecting portion is the hexagon, when screwing up first connecting portion and second connecting portion, the convenient tightening of atress of hexagonal surface is convenient.
And furthermore, the support steel plate is provided with a plurality of support holes matched with the support steel pipe piles towards the inner wall side of the foundation pit.
Through adopting above-mentioned technical scheme, still include a plurality of support steel-pipe piles, the supporting steel board is provided with a plurality of brace holes that match with the support steel-pipe pile towards foundation ditch inner wall side, will support the steel-pipe pile and insert the foundation ditch inner wall through the brace hole, and the soil of foundation ditch inner wall is after inserting the support steel-pipe pile, increases the stability of soil, is difficult for collapsing and landslide.
Furthermore, still include a plurality of connection steel sheet, the bracing steel sheet is kept away from on the foundation ditch internal face with the same level height in support hole both sides be provided with a plurality of L type lugs, L type lug and bracing steel sheet keep away from the surface form a plurality of recesses of foundation ditch inner wall, recess and connection steel sheet phase-match.
Through adopting above-mentioned technical scheme, still include a plurality of connection steel sheet, the support steel sheet is kept away from on the foundation ditch internal face and is provided with a plurality of L type lugs with the same level height's in supported hole both sides, L type lug and support steel sheet keep away from the face shape of foundation ditch inner wall and form a plurality of recesses, recess and connection steel sheet phase-match, after inserting the supported hole with the support steel-pipe pile, connection steel sheet places in the recess, because the height of recess is same height with the supported hole, connection steel sheet can prevent to support the steel-pipe pile and withdraw from in the supported hole, the effect of stably supporting the steel-pipe.
Further, a bolt and a nut for sealing the groove are arranged on the L-shaped convex block.
Through adopting above-mentioned technical scheme, be provided with on the L type lug and be used for sealing the bolt and the nut of recess can fix the connecting steel plate in the recess, and when preventing vibrations, external force will connect the steel plate and shake out the recess. The effect of stabilizing the position of the connecting steel plate is achieved.
Further, end steel-pipe pile still includes a plurality of extension portions, and extension portion sets up between first connecting portion and second connecting portion, and extension portion and first connecting portion and second connecting portion are threaded connection.
Through adopting above-mentioned technical scheme, end steel-pipe pile still includes a plurality of extension portions, and extension portion sets up between first connecting portion and the second connecting portion, extension portion and first connecting portion and second connecting portion are threaded connection, can adjust end steel-pipe pile's length according to the structure and the stability of the inside soil of foundation ditch, reach better stable excavation supporting's effect.
To sum up, the utility model discloses following beneficial effect has:
1. all the components are detachable and can be recycled repeatedly, so that the effects of energy conservation and environmental protection are achieved.
2. The bottom steel pipe pile is provided with the lengthening part, the length of the bottom steel pipe pile can be adjusted according to different foundation pit soil properties, and the stability of foundation pit support is improved.
Drawings
Fig. 1 is a schematic structural view of an environment-friendly foundation pit supporting structure of the present invention;
fig. 2 is a schematic view of a split structure of the environment-friendly foundation pit supporting structure of the present invention;
FIG. 3 is a schematic structural view of a base steel plate according to the present invention;
fig. 4 is a schematic view of the installation state of the present invention;
fig. 5 is a schematic view of a split structure of a bottom steel pipe pile according to the second embodiment of the present invention.
Reference numerals: 1. a base steel plate; 12. a first through groove; 13. a second through groove; 14. a fixing hole; 15. connecting holes; 2. a support steel plate; 21. an L-shaped bump; 22. a bolt; 23. a nut; 24. a support hole; 25. a clamping block; 26. a clamping hole; 3. a bottom steel pipe pile; 31. a first connection portion; 32. a second connecting portion; 33. a lengthening part; 4. supporting the steel pipe pile; 5. supporting the steel pipe pile; 6. and connecting the steel plates.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1 to 4, an environment-friendly foundation pit supporting structure comprises a base steel plate 1, a supporting steel plate 2, a bottom steel pipe pile 3 and a supporting steel pipe pile 4, wherein the base steel plate 1 is flatly placed on the ground of a foundation pit, the tip end of the bottom steel pipe pile 3 is inserted into the inner wall of the foundation pit to stabilize the inner wall of the foundation pit, the tail end of the bottom steel pipe pile is fixedly connected to the base steel plate 1, the supporting steel plate 2 is vertically and fixedly connected to the base steel plate 1, the supporting steel plate 2 is tightly attached to the inner wall of the foundation pit to prevent the inner wall of the foundation pit from sliding down, the base steel plate 1, the supporting steel plate 2 and the bottom steel pipe pile 3 are inverted T-shaped after being installed, the supporting steel plate 2 has a more stabilizing effect, the stability of the supporting steel plate 2 is increased, the stability of the foundation pit support is increased, the supporting steel pipe pile 4 is vertically, supporting steel plate 2 fixed connection is on base steel sheet 1 to make base steel sheet 1 move to foundation ditch inside, but strut steel-pipe pile 4 and pass base steel sheet 1 vertical anchoring in foundation ditch ground, stabilized base steel sheet 1's position, thereby prevent supporting steel plate 2 to the inside removal of foundation ditch, thereby prevented the gliding collapse of foundation ditch inner wall, effectual reinforcing foundation ditch supporting's stability.
Support steel-pipe pile 4 and fixed orifices 14 phase-matchs, pass base steel sheet 1 fixed orifices 14 anchor perpendicularly in the foundation ditch bottom surface, make base steel sheet 1 fixed, can not take place linear type displacement.
Bottom steel-pipe pile 3 comprises first connecting portion 31 and second connecting portion 32 fixed connection, first connecting portion 31 one end is the circular cone type pointed end, be used for going deep into foundation ditch inner wall, the first connecting portion 31 other end is outer screw thread structure, the surface that first connecting portion 31 is close to outer screw thread structure department is the hexagon structure, second connecting portion 32 one end is interior screw thread, with the outer screw thread phase-match of first connecting portion 31, the terminal surface of second connecting portion 32 is the hexagon structure, second connecting portion 32 middle part is equipped with outer screw thread, and with the interior screw thread phase-match of connecting hole 15 on the base steel sheet 1, the position of outer screw thread can make second connecting portion 32 end just in time reach second through-groove 13 department in inserting base steel sheet 1 through connecting hole 15 on the base steel sheet 1. Be threaded connection between first connecting portion 31 and the second connecting portion 32 and between end steel-pipe pile 3 and base steel sheet 1, set up the hexagonal structure and make things convenient for the atress more than cylinder type steel pipe, make the convenient atress of screw tighten, make connection structure more stable.
Supporting steel plate 2 below is equipped with fixture block 25 and goes up to open on the fixture block 25 has card hole 26, and fixture block 25 and the first logical groove 12 phase-match of base steel sheet 1 insert supporting steel plate 2 through fixture block 25 perpendicularly in the first logical groove 12 of base steel sheet 1, and the end of end steel-pipe pile 3 just in time passes the card hole 26 on fixture block 25, reaches the effect with supporting steel plate 2 fixed connection at base steel sheet 1. Prop the steel sheet and still open a plurality of supported holes 24 towards foundation ditch inner wall side, prop steel sheet 2 keep away from on the foundation ditch inner wall face with the same level height in supported hole both sides be provided with a plurality of L type lugs 21, L type lug 21 and the face that the steel sheet 2 kept away from the foundation ditch inner wall form a plurality of recesses, and be equipped with bolt 22 and nut 23 on the L type lug 21, played the effect of closed groove.
Support steel-pipe pile 5 and the supporting hole 24 phase-match on the supporting steel plate 2, support steel-pipe pile 5 and pass supporting hole 24 and go deep into the foundation ditch inner wall, play the effect of stabilizing the foundation ditch inner wall, can also be at the effect of vertical direction fixed stay steel plate 2 simultaneously.
Connecting steel plate 6 and recess phase-match, put connecting steel plate 6 into the recess, because the height and the supported hole 24 of recess are same level, play and prevent to support steel-pipe pile 5 because the effect of vibrations shift out supported hole 24, connecting steel plate 6's length is the horizontal length of the face of keeping away from the foundation ditch inner wall of two supporting steel plate 2 at least simultaneously, can be in the same place two adjacent supporting steel plate 2 fixed connection like this, make the foundation ditch inner wall can share adjacent supporting steel plate 2 to the power of somewhere supporting steel plate 2 on, reduce the power that somewhere supporting steel plate 2 bore, and increase foundation ditch supporting's stability.
When the method is implemented, the first connecting part 31 and the second connecting part 32 of the bottom steel pipe pile 3 are spirally connected together, the supporting steel plate 2 is vertically inserted into the base steel plate 1, then a cuboid groove is dug at the bottom of the inner wall of the foundation pit, the depth of the cuboid groove is the length from the first through groove 12 on the top surface of the base steel plate 1 to the side close to the connecting hole 15, the cross section of the groove is the surface where the connecting hole 15 is positioned on the base steel plate 1, then the bottom steel pipe pile 3 is horizontally driven into the groove, the driving depth is just right to place the external spiral thread of the second connecting part 32 in the groove, then the supporting steel plate 2 and the base steel plate 1 which are fixed together are horizontally moved into the groove, the supporting steel plate 2 is tightly attached to the inner wall of the foundation pit, then the supporting steel pipe pile 4 is vertically anchored in the ground of the foundation pit through the fixing hole 14 on the base steel plate 1, and then placing the connecting steel plate 6 in the groove, screwing the screw and the nut 23 on the L-shaped convex block 21 to complete the installation of a foundation pit supporting structure, and then sequentially and tightly arranging a plurality of foundation pit supporting structures to finally complete the installation of the whole foundation pit support.
Example two:
as shown in fig. 1 to 5, the only difference is that the bottom steel pipe pile 3 further includes a plurality of elongated portions 33, the reinforced portion is disposed between the first connecting portion 31 and the second connecting portion 32, one end of each elongated portion 33 has an internal thread matching with the external thread of the first connecting portion 31, and the other end of each elongated portion 33 has an external thread matching with the internal thread of the second connecting portion 32. For the foundation pit with the more loose and collapsed soil on the inner wall of the foundation pit, the lengthening part 33 is arranged to lengthen the bottom steel pipe pile 3, so that the stability of the inner wall of the foundation pit can be better stabilized.
The only difference between the implementation process and the embodiment is that the first connecting portion 31, the extension portion 33 and the second connecting portion 32 are screwed together, and the following steps are identical to the embodiment.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides an environment-friendly excavation supporting construction, includes base steel sheet (1), supporting steel board (2), end steel-pipe pile (3) and strut steel-pipe pile (4), its characterized in that: the base steel plate (1) is horizontally placed on the bottom surface of a foundation pit, a plurality of connecting holes (15) are formed in one side face of the base steel plate (1), a first through groove (12), a second through groove (13) and a fixing hole (14) are sequentially arranged on the side, close to the connecting hole (15), of the top face of the base steel plate (1) from side to side away from the connecting hole (15), the first through groove (12) and the second through groove (13) are communicated with the connecting hole (15), the supporting steel plate (2) is fixedly connected to the base steel plate (1) through the lower end of the supporting steel plate (2) and a clamping block (25) matched with the first through groove (12), a plurality of clamping holes (26) are formed in the clamping block (25), the bottom steel pipe pile (3) comprises a tip end and a tail end, the tail end of the bottom steel pipe pile (3) sequentially penetrates through the connecting hole (15) in the side face of the base steel plate (1), the first through groove (12) and the clamping ) And the second through groove (13) is fixedly connected to the base steel plate (1), the tip end of the bottom steel pipe pile (3) extends into the inner wall of the foundation pit, and the supporting steel pipe pile (4) penetrates through the fixing hole (14) and is vertically anchored in the bottom surface of the foundation pit.
2. The environment-friendly foundation pit supporting construction according to claim 1, characterized in that: the bottom steel pipe pile (3) comprises a first connecting part (31) and a second connecting part (32), the tip end is located on the first connecting part (31), and the position, far away from the tip end, of the first connecting part (31) is in threaded connection with the second connecting part (32).
3. The environment-friendly foundation pit supporting construction according to claim 2, characterized in that: the second connecting part (32) is in threaded connection with the base steel plate (1).
4. The environment-friendly foundation pit supporting construction according to claim 3, characterized in that: the outer surface of the joint of the first connecting part (31) and the second connecting part (32) is hexagonal, and the outer surface of the part, located in the second through groove (13), of the second connecting part (32) is hexagonal.
5. The environment-friendly foundation pit supporting construction according to claim 1, characterized in that: the supporting steel plate (2) is provided with a plurality of supporting holes (24) matched with the supporting steel pipe piles (5) towards the inner wall side of the foundation pit.
6. The environment-friendly foundation pit supporting construction according to claim 5, wherein: still include a plurality of connecting plate (6), supporting steel plate (2) keep away from on the foundation ditch internal face with the both sides of the same level in support hole (24) are provided with a plurality of L type lugs (21), L type lug (21) with supporting steel plate (2) keep away from the surface of foundation ditch inner wall and form a plurality of recesses, recess and connecting plate (6) phase-match.
7. The environment-friendly foundation pit supporting construction according to claim 6, wherein: and a bolt (22) and a nut (23) for sealing the groove are arranged on the L-shaped convex block (21).
8. The environment-friendly foundation pit supporting construction according to claim 3, characterized in that: the bottom steel pipe pile (3) further comprises a plurality of lengthening parts (33), the lengthening parts (33) are arranged between the first connecting part (31) and the second connecting part (32), and the lengthening parts (33) are in threaded connection with the first connecting part (31) and the second connecting part (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021208407.0U CN212714963U (en) | 2020-06-28 | 2020-06-28 | Environment-friendly foundation pit supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021208407.0U CN212714963U (en) | 2020-06-28 | 2020-06-28 | Environment-friendly foundation pit supporting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212714963U true CN212714963U (en) | 2021-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021208407.0U Active CN212714963U (en) | 2020-06-28 | 2020-06-28 | Environment-friendly foundation pit supporting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212714963U (en) |
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2020
- 2020-06-28 CN CN202021208407.0U patent/CN212714963U/en active Active
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