CN211446952U - Building foundation pit supporting structure - Google Patents
Building foundation pit supporting structure Download PDFInfo
- Publication number
- CN211446952U CN211446952U CN201922185627.XU CN201922185627U CN211446952U CN 211446952 U CN211446952 U CN 211446952U CN 201922185627 U CN201922185627 U CN 201922185627U CN 211446952 U CN211446952 U CN 211446952U
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- CN
- China
- Prior art keywords
- steel nail
- pouring
- foundation pit
- supporting plate
- side wall
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000008093 supporting effect Effects 0.000 title claims abstract description 68
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 86
- 239000010959 steel Substances 0.000 claims abstract description 86
- 238000010276 construction Methods 0.000 claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 239000002689 soil Substances 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000011440 grout Substances 0.000 abstract description 5
- 238000007569 slipcasting Methods 0.000 abstract description 4
- 230000002633 protecting effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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Abstract
The utility model discloses a building foundation pit supporting construction, including L shape supporting plate, L shape supporting plate is close to the equidistant six supporting mechanism of pouring on the lateral wall of foundation pit side slope one side, it includes the steel nail of pouring of fixed connection on the lateral wall of L shape supporting plate to pour supporting mechanism, it is equipped with the chamber of pouring in the steel nail, equidistant a plurality of slip casting tube holes of fixedly connected with that run through on the lateral wall of pouring the steel nail, L shape supporting plate is close to the equidistant six fastening device that run through on the lateral wall of foundation pit ground one side, fastening device includes steel nail broken ground end, steel nail inflation end and interior steel nail. The utility model discloses can provide powerful support to the foundation ditch side slope, can pour grout in to the foundation ditch side slope to having strengthened supporting construction's bottom and having connected, having avoided the condition that the side slope collapses, and then having avoided influencing the emergence of later stage construction, time limit for a project and incident.
Description
Technical Field
The utility model relates to a construction auxiliary assembly technical field especially relates to a building excavation supporting construction.
Background
The foundation pit is an earth pit excavated at the design position of the foundation according to the elevation of the foundation and the plane size of the foundation, the support of the foundation pit is used for ensuring the safety of the construction of an underground structure and the surrounding environment of the foundation pit, the supporting, reinforcing and protecting measures are adopted for the side wall and the surrounding environment of the foundation pit, if the side slope can be placed for people who do not excavate deeply, the earth slope is stable, the slope size is determined according to the relevant construction regulations, people who excavate deeper and nearby buildings can use the support method of the foundation pit wall, the method of spraying concrete to protect the wall, and the large foundation pit even adopts the methods of interlocking an underground continuous wall and a column type bored concrete pile and the like to protect the collapse of the outer side soil.
If the existing building foundation pit is not deeply excavated, a slope is generally placed by a slope placing method to stabilize the soil slope, the supporting effect of the supporting structure of the foundation pit slope is poor, the situation of slope collapse still exists, the later construction and the construction period are influenced, and even safety accidents can occur.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the building foundation ditch supporting construction who proposes, it can provide powerful support to the foundation ditch side slope, can pour grout in to the foundation ditch side slope to the bottom that has strengthened supporting construction is connected, has avoided the condition that the side slope collapses, and then has avoided influencing the emergence of later stage construction, time limit for a project and incident.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a supporting structure of a building foundation pit comprises an L-shaped supporting plate, six pouring supporting mechanisms are arranged on the side wall of the L-shaped supporting plate close to one side of a foundation pit side slope at equal intervals, the pouring supporting mechanism comprises a pouring steel nail fixedly connected to the side wall of the L-shaped supporting guard plate, a pouring cavity is arranged in the pouring steel nail, the side wall of the pouring steel nail penetrates through and is fixedly connected with a plurality of grouting pipe holes at equal intervals, six fastening mechanisms penetrate through the side wall of the L-shaped supporting plate close to the ground of the foundation pit at equal intervals, the fastening mechanism comprises a steel nail ground breaking end, a steel nail expansion end and an inner steel nail, the steel nail ground breaking end is arranged at the lower end of the steel nail expansion end, the broken end of steel nail all is equipped with the inner chamber that is linked together in the end with the steel nail inflation, interior steel nail setting is in broken end of steel nail and the end with the steel nail inflation, interior steel nail and the inner wall sliding connection of inner chamber and offset.
Preferably, one end of the pouring steel nail, which is far away from the L-shaped supporting and protecting plate, is set to be a sharp end, one end of the pouring steel nail, which is close to the L-shaped supporting and protecting plate, is fixedly connected to a pouring joint, the pouring joint is fixedly connected to the side wall of the L-shaped supporting and protecting plate in an embedded manner, and the pouring joint is communicated with the pouring cavity.
Preferably, the plurality of grouting pipe holes face one side of the L-shaped supporting plate and are obliquely arranged, and the plurality of grouting pipe holes are communicated with the pouring cavity.
Preferably, two T-shaped sliding blocks are fixedly connected to the side wall of the upper end of the steel nail ground breaking end, two T-shaped sliding grooves corresponding to the T-shaped sliding blocks in position are formed in the side wall of the lower end of the steel nail expansion end, and the T-shaped sliding blocks are located in the T-shaped sliding grooves and are in sliding connection with the inner walls of the T-shaped sliding grooves.
Preferably, an anti-slip convex line is fixedly connected to the circumferential side wall of the expansion end of the steel nail close to the lower end.
Preferably, the inner wall of the lower end of the expansion end of the steel nail is internally provided with a tightening bevel edge, and the side wall of the lower end of the inner steel nail is provided with a matching bevel edge corresponding to the tightening bevel edge.
The utility model discloses following beneficial effect has:
1. by arranging the six pouring support mechanisms on the L-shaped support guard plate, powerful support can be provided for the foundation pit side slope, cement paste can be poured into the foundation pit side slope, the condition of side slope collapse is avoided, and further the influence on later construction, construction period and safety accidents is avoided.
2. Through set up six fastening device on L shape backplate, can provide powerful support to foundation ditch side slope, strengthen supporting construction's bottom and connect, avoided the condition that the side slope collapses, and then avoid influencing the emergence of later stage construction, time limit for a project and incident.
To sum up, the utility model discloses can provide powerful the strut to the foundation ditch side slope, can pour grout in to the foundation ditch side slope to having strengthened supporting construction's bottom and having connected, having avoided the condition that the side slope collapses, and then having avoided influencing the emergence of later stage construction, time limit for a project and incident.
Drawings
Fig. 1 is a schematic structural view of a building foundation pit supporting structure provided by the utility model;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
fig. 3 is the utility model provides a building foundation ditch supporting construction's L shape backplate's schematic structure diagram.
In the figure: the steel nail self-locking device comprises an L-shaped supporting plate 1, a pouring supporting mechanism 2, a pouring steel nail 21, a pouring cavity 22, a pouring pipe hole 23, a pouring joint 24, a fastening mechanism 3, a steel nail ground breaking end 31, a steel nail expansion end 32, an inner steel nail 33, a T-shaped sliding block 34, a T-shaped sliding groove 35, a tightening bevel edge 36, an anti-slip convex line 37 and a matching bevel edge 38.
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.
Referring to fig. 1-3, a building foundation pit supporting structure comprises an L-shaped supporting plate 1, six pouring supporting mechanisms 2 are arranged on the side wall of the L-shaped supporting plate 1 close to one side of a foundation pit slope at equal intervals, each pouring supporting mechanism 2 comprises a pouring steel nail 21 fixedly connected to the side wall of the L-shaped supporting plate 1, a pouring cavity 22 is arranged in each pouring steel nail 21, a plurality of grouting pipe holes 23 penetrate through the side wall of each pouring steel nail 21 at equal intervals and are fixedly connected with the side wall of the L-shaped supporting plate 1, one end, away from the L-shaped supporting plate 1, of each pouring steel nail 21 is set to be a sharp end, one end, close to the L-shaped supporting plate 1, of each pouring steel nail 21 is fixedly connected to a pouring joint 24, each pouring joint 24 is fixedly connected to the side wall of the L-shaped supporting plate 1 in an embedded manner, each pouring joint 24 is communicated with each pouring cavity 22, each grouting pipe hole, through setting up six and pouring supporting mechanism 2 on L shape backplate 1, when using, place L shape backplate 1 with foundation ditch side slope edge earlier, then use tools such as hammers to strike pouring steel nail 21 on L shape backplate 1 and insert in the foundation ditch side slope, make pouring steel nail 21 submerge in the foundation ditch side slope, and L shape backplate 1 and foundation ditch side slope counterbalance contact, then through slip casting equipment, be linked together its output with pouring joint 24, slip casting equipment can loop through pouring joint 24, pour cavity 22 and slip casting pipe hole 23 with grout and pour into in the foundation ditch side slope, can provide powerful support to the foundation ditch side slope, can pour grout in the foundation ditch side slope, the condition of side slope collapse has been avoided, and then avoid influencing the emergence of later stage construction, time limit and incident.
Wherein, the side wall of the L-shaped supporting and protecting plate 1 close to one side of the ground of the foundation pit is equidistantly provided with six fastening mechanisms 3 in a penetrating way, the side wall of the L-shaped supporting and protecting plate 1 close to one side of the ground of the foundation pit is provided with through holes for the fastening mechanisms 3 to be inserted into, the fastening mechanisms 3 comprise a steel nail broken end 31, a steel nail expansion end 32 and an inner steel nail 33, the steel nail broken end 31 is arranged at the lower end of the steel nail expansion end 32, the steel nail broken end 31 and the steel nail expansion end 32 are both internally provided with communicated inner cavities, the inner steel nail 33 is arranged in the steel nail broken end 31 and the steel nail expansion end 32, the inner steel nail 33 is in sliding connection and propping against the inner wall of the inner cavity, the side wall of the upper end of the steel nail broken end 31 is fixedly connected with two T-shaped sliding blocks 34, the side wall of the lower end of the steel nail expansion end 32 is provided with two T-shaped sliding chutes 35 corresponding to the positions of, the anti-slip convex pattern 37 is fixedly connected to the circumferential side wall of the steel nail expansion end 32 close to the lower end, a tightening bevel 36 is arranged in the lower end inner wall of the steel nail expansion end 32 in the upward direction, a matching bevel 38 corresponding to the tightening bevel 36 is arranged on the lower end side wall of the inner steel nail 33, six fastening mechanisms 3 are arranged on the L-shaped support guard plate 1, when the L-shaped support guard plate 1 is used, after the L-shaped support guard plate 1 is abutted against the foundation pit slope, a tool such as a hammer can be used for knocking the steel nail soil breaking end 31 and the steel nail expansion end 32 into the ground of the foundation pit through a through hole on the L-shaped support guard plate 1, then the inner steel nail 33 is inserted into the steel nail expansion end 32 and knocked in, the matching bevel 38 at the lower end of the inner steel nail expansion end is abutted against the tightening bevel 36 and is extruded outwards, so that the two sides of the lower end of the steel nail expansion end 32 protrude outwards to play an, the condition that the side slope collapses has been avoided, and then avoids influencing the emergence of later stage construction, time limit for a project and incident.
In the utility model, when in use, the L-shaped supporting plate 1 is firstly placed at the edge of the foundation pit side slope, then the pouring steel nail 21 on the L-shaped supporting plate 1 is knocked and inserted into the foundation pit side slope by using tools such as a hammer, the pouring steel nail 21 is immersed into the foundation pit side slope, the L-shaped supporting plate 1 is abutted and contacted with the foundation pit side slope, then the output end of the L-shaped supporting plate is communicated with the pouring joint 24 by the grouting equipment, the grouting equipment can inject the cement slurry into the foundation pit side slope through the pouring joint 24, the pouring cavity 22 and the grouting pipe hole 23 in sequence, the powerful support can be provided for the foundation pit side slope, the cement slurry can be poured into the foundation pit side slope, after the L-shaped supporting plate 1 is abutted and contacted with the foundation pit side slope, the tool such as the hammer can be used for knocking the steel nail soil breaking end 31 and the steel nail expansion end 32 into the foundation pit through the through hole on the L-shaped, make its lower extreme cooperation hypotenuse 38 offset with tightening up hypotenuse 36, extrude it outwards for the lower extreme both sides of steel nail inflation end 32 are outside protrusion, play the inflation effect, and swift current burr 37 can prevent that fastening device 3 from shifting out simultaneously, has strengthened supporting construction's bottom and has connected, has avoided the condition that the side slope collapses, and then has avoided influencing the emergence of later stage construction, time limit for a project and incident.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The building foundation pit supporting structure comprises an L-shaped supporting plate (1) and is characterized in that six pouring supporting mechanisms (2) are arranged on the side wall, close to one side of a foundation pit slope, of the L-shaped supporting plate (1) at equal intervals, each pouring supporting mechanism (2) comprises a pouring steel nail (21) fixedly connected to the side wall of the L-shaped supporting plate (1), a pouring cavity (22) is arranged in each pouring steel nail (21), a plurality of grouting pipe holes (23) are formed in the side wall of each pouring steel nail (21) in a penetrating and fixedly connected mode at equal intervals, six fastening mechanisms (3) are arranged on the side wall, close to one side of the ground of the foundation pit, of the L-shaped supporting plate (1) in a penetrating and fixing mode at equal intervals, each fastening mechanism (3) comprises a steel nail broken end (31), a steel nail expansion end (32) and an inner steel nail (33), and each steel nail broken end (31) is arranged at the lower, all be equipped with the inner chamber that is linked together in broken soil end of steel nail (31) and the steel nail inflation end (32), interior steel nail (33) set up in broken soil end of steel nail (31) and steel nail inflation end (32), interior steel nail (33) just offset with the inner wall sliding connection of inner chamber.
2. The construction foundation pit supporting structure according to claim 1, wherein one end of the pouring steel nail (21) far away from the L-shaped supporting plate (1) is arranged to be a sharp end, one end of the pouring steel nail (21) near the L-shaped supporting plate (1) is fixedly connected to a pouring joint (24), the pouring joint (24) is fixedly connected to the side wall of the L-shaped supporting plate (1) in an embedded mode, and the pouring joint (24) is communicated with the pouring cavity (22).
3. The construction foundation pit supporting structure according to claim 1, wherein a plurality of grouting pipe holes (23) are obliquely arranged towards one side of the L-shaped supporting plate (1), and a plurality of grouting pipe holes (23) are communicated with the pouring cavity (22).
4. The building foundation pit supporting structure according to claim 1, wherein two T-shaped sliding blocks (34) are fixedly connected to the side wall of the upper end of the steel nail soil breaking end (31), two T-shaped sliding grooves (35) corresponding to the T-shaped sliding blocks (34) are formed in the side wall of the lower end of the steel nail expansion end (32), and the T-shaped sliding blocks (34) are located in the T-shaped sliding grooves (35) and are in sliding connection with the inner walls of the T-shaped sliding grooves.
5. The supporting structure for the foundation pit of building as claimed in claim 1, wherein an anti-slip rib (37) is fixedly connected to the circumferential side wall of the expanded end (32) of the steel nail near the lower end.
6. The building foundation pit supporting structure according to claim 1, wherein the lower end inner wall of the steel nail expansion end (32) is internally provided with a tightening bevel edge (36) in a direction, and the lower end side wall of the inner steel nail (33) is provided with a matching bevel edge (38) corresponding to the tightening bevel edge (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922185627.XU CN211446952U (en) | 2019-12-09 | 2019-12-09 | Building foundation pit supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922185627.XU CN211446952U (en) | 2019-12-09 | 2019-12-09 | Building foundation pit supporting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211446952U true CN211446952U (en) | 2020-09-08 |
Family
ID=72310583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922185627.XU Expired - Fee Related CN211446952U (en) | 2019-12-09 | 2019-12-09 | Building foundation pit supporting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211446952U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112921729A (en) * | 2021-02-03 | 2021-06-08 | 阳江市第四建筑工程有限公司 | Construction method for constructing road on soft soil foundation |
| CN113668559A (en) * | 2021-08-23 | 2021-11-19 | 江苏天力建设集团有限公司 | Supporting construction for building foundation ditch |
-
2019
- 2019-12-09 CN CN201922185627.XU patent/CN211446952U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112921729A (en) * | 2021-02-03 | 2021-06-08 | 阳江市第四建筑工程有限公司 | Construction method for constructing road on soft soil foundation |
| CN113668559A (en) * | 2021-08-23 | 2021-11-19 | 江苏天力建设集团有限公司 | Supporting construction for building foundation ditch |
| CN113668559B (en) * | 2021-08-23 | 2022-07-08 | 江苏天力建设集团有限公司 | Supporting construction for building foundation ditch |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200908 |
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| CF01 | Termination of patent right due to non-payment of annual fee |