CN220908420U - Deep foundation pit anchor spraying supporting structure - Google Patents
Deep foundation pit anchor spraying supporting structure Download PDFInfo
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- CN220908420U CN220908420U CN202322668535.3U CN202322668535U CN220908420U CN 220908420 U CN220908420 U CN 220908420U CN 202322668535 U CN202322668535 U CN 202322668535U CN 220908420 U CN220908420 U CN 220908420U
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- Prior art keywords
- foundation pit
- deep foundation
- anchor
- anchor rod
- reinforcing
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- 238000005507 spraying Methods 0.000 title abstract description 14
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 50
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 23
- 239000004567 concrete Substances 0.000 claims abstract description 20
- 238000010276 construction Methods 0.000 claims abstract description 15
- 239000011159 matrix material Substances 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims description 30
- 230000002093 peripheral effect Effects 0.000 claims description 12
- 239000002689 soil Substances 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims 7
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011378 shotcrete Substances 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The application relates to the technical field of deep foundation pit support, and provides a deep foundation pit anchor spraying support structure, which comprises anchor rods inserted into the side wall of a deep foundation pit body, reinforcing steel bars paved on the side wall of the deep foundation pit body and concrete layers arranged on the reinforcing steel bars, wherein the anchor rods are arranged in a matrix along the side wall of the deep foundation pit body, the reinforcing steel bars are uniformly distributed along the length direction of the side wall of the deep foundation pit body, a first connecting piece is arranged between the anchor rods and the reinforcing steel bars, and a second connecting piece is arranged between adjacent reinforcing steel bars; the first connecting piece comprises a mounting sleeve fixedly connected to the reinforcing mesh, the mounting sleeve is slidably sleeved on the anchor rod, the end face of the mounting sleeve is provided with a clamping block clamped between the anchor rod and the mounting sleeve, and the clamping block has elasticity. The application has the beneficial effects of accelerating the fixed speed between the anchor rod and the reinforcing mesh to reduce the influence on the construction speed.
Description
Technical Field
The application relates to the technical field of deep foundation pit support, in particular to a deep foundation pit anchor spraying support structure.
Background
With the acceleration of the urban process, the scale of urban construction is gradually enlarged, and the land used as a waste landfill and mixed with a large amount of construction waste is gradually listed as a construction land.
In the prior art, for deep foundation pit support, anchor spraying support is adopted, and the anchor spraying support is usually formed by means of common acting force between an anchor supporting system constructed by sprayed concrete, a reinforcing mesh and an anchor rod and soil body to coordinate soil body deformation, so that the support difficulty is low, the implementation speed is high, and the support effect is good.
When carrying out anchor spraying support, wear to locate the stock behind the foundation ditch lateral wall earlier, lay the reinforcing bar net behind the foundation ditch lateral wall afterwards to fix adjacent reinforcing bar net, and fix between stock and the reinforcing bar net, select the welded mode to fix stock and reinforcing bar net in the prior art generally, because some stock arrange along the foundation ditch lateral wall matrix, if quantity is more, welds through welded mode, and the construction time who spends is more, influences the efficiency of construction, consequently needs further improvement.
Disclosure of utility model
The application provides a deep foundation pit anchor spraying supporting structure, which aims to accelerate the fixed speed between an anchor rod and a reinforcing mesh so as to reduce the influence on the construction speed.
The application provides a deep foundation pit anchor spraying supporting structure, which adopts the following technical scheme:
The anchor spraying supporting structure of the deep foundation pit comprises anchor rods inserted into the side wall of the deep foundation pit body, reinforcing steel bars paved on the side wall of the deep foundation pit body and concrete layers arranged on the reinforcing steel bars, wherein the anchor rods are arranged in a matrix along the side wall of the deep foundation pit body, the reinforcing steel bars are provided with a plurality of reinforcing steel bars and are uniformly distributed along the length direction of the side wall of the deep foundation pit body, a first connecting piece is arranged between the anchor rods and the reinforcing steel bars, and a second connecting piece is arranged between the adjacent reinforcing steel bars; the first connecting piece comprises a mounting sleeve fixedly connected to the reinforcing mesh, the mounting sleeve is slidably sleeved on the anchor rod, the end face of the mounting sleeve is provided with a clamping block clamped between the anchor rod and the mounting sleeve, and the clamping block has elasticity.
By adopting the technical scheme, after the anchor rod is inserted on the side wall of the deep foundation pit body in a sliding manner, the installation sleeve on the reinforcing mesh is aligned with the anchor rod and then is sleeved on the anchor rod in a sliding manner, when the reinforcing mesh is abutted on the side wall of the deep foundation pit body, because the clamping blocks are elastic, a worker presses the clamping blocks arranged on the installation sleeve so as to be clamped between the anchor rod and the inner peripheral wall of the chute, the worker can be abutted closely on the outer peripheral wall of the anchor rod, so that the sliding of the anchor rod is limited, the anchor rod is fixed, and the reinforcing mesh is also installed on the anchor rod; to accelerate the fixed speed between the anchor rod and the reinforcing mesh, and further to reduce the influence on the construction speed.
Preferably, the peripheral wall of the anchor rod is provided with a groove in a winding manner.
Through adopting above-mentioned technical scheme, through seting up flutedly with the peripheral wall of stock, because the joint piece has elasticity, when inlaying the joint piece in the recess, the area of contact between joint piece and the stock increases to a bit this moment to improve frictional force between the two, in order to reduce the card machine portion and appear slipping the possibility that resets because of self elasticity, in order to improve the fixed effect between stock and the installation cover.
Preferably, the clamping blocks are a plurality of clamping blocks, the clamping blocks are uniformly distributed along the axis of the installation sleeve, one end, far away from the installation sleeve, of each clamping block is obliquely arranged towards the direction close to the anchor rod, and the clamping blocks are abutted to the anchor rod.
Through adopting above-mentioned technical scheme, because the stock inserts earlier and locates on the lateral wall of deep basal pit body, lay the reinforcing bar net in deep basal pit body, the piece is kept away from the joint piece this moment in the one end of installation cover towards being close to the direction of stock is the slope setting to during the inlay card in the recess, the installation cover is difficult for sliding break away from in the stock, can make to carry out the prefixed earlier between reinforcing bar net and the stock, after applying effort to the joint piece, in order to make the joint piece keep away from the one end of installation cover and remove towards the direction that is close to the installation cover, and then set up in order to be the arc, with the fixed effect between increase and the stock, with the fixed rate between accelerating stock and the reinforcing bar net, and then with the influence to the construction rate.
Preferably, the first connecting piece further comprises a sliding sleeve which is sleeved on the anchor rod, an abutting ring is arranged on the end face of the sliding sleeve, which is close to the mounting sleeve, in a protruding mode, and the abutting ring abuts against the clamping block.
Through adopting above-mentioned technical scheme, through being provided with the cover of sliding and setting up the butt ring on the cover that slides, when laying the reinforcing bar net on the lateral wall of deep basal pit body, and install the cover also when the cover is located on the stock, because the joint piece has a plurality of, need press respectively a plurality of joint pieces when exerting force to it, perhaps press a few once, will slide the cover and locate the stock this moment to with butt ring butt in the joint piece, can once only press a plurality of joint pieces, and then with the improvement to the pressing rate of joint piece, and then with the fixed rate between improvement acceleration stock and the reinforcing bar net, with the influence to the construction rate is reduced.
Preferably, the surface of the clamping block, which is close to the abutting ring, is provided with an abutting groove.
Through adopting above-mentioned technical scheme, the butt groove has been seted up on the surface that the joint piece is close to the butt ring slides and blocks and inlay in the butt groove back in order to apply effort to the joint piece, in order to reduce the possibility that the slip appears in order to influence the pressing of card caking, in order to reduce the influence to the pressing rate of pressing down the piece.
Preferably, the end face of the mounting sleeve is provided with a plug rod which is inserted into the side wall of the deep foundation pit body in a sliding manner.
Through adopting above-mentioned technical scheme, through being provided with the inserted bar, when installing the installation cover on the stock, still can improve the joint strength between installation cover and the deep basal pit body lateral wall, and then in order to improve the joint strength between reinforcing bar net and the deep basal pit body to reduce the reinforcing bar net and appear sliding and break away from in the possibility of the lateral wall of deep basal pit body, in order to reduce the influence that the condition of reworking is in order to influence the efficiency of construction.
Preferably, keep away from be provided with the reinforcing column in the soil body of deep basal pit body, the reinforcing column is made by concrete, the stock is kept away from the one end of reinforcing bar net and wears to locate the reinforcing column.
Through adopting above-mentioned technical scheme, after the stock slides and inserts the lateral wall of locating the deep basal pit body, because comparatively loose to the soil of the filling of deep basal pit body upper strata, the stock slides and inserts the firm effect relatively poor when locating the deep basal pit body, through having pour the reinforced column in advance in the soil body of keeping away from the deep basal pit body this moment, when wearing the reinforced column with the stock again to slide, can effectively promote the resistance to plucking of stock, reinforcing stability to the influence of collapse appears in order to influence efficiency of construction when reducing inserting the stock in the lateral wall of locating the deep basal pit body.
Preferably, the anchor rod is a hollow anchor rod, a plurality of through holes communicated with the inside of the anchor rod are formed in the peripheral wall of the anchor rod, and a grouting layer is arranged in the anchor rod.
Through adopting above-mentioned technical scheme, through setting up the stock for the cavity stock to a plurality of through-hole has been seted up, when pouring the slip casting layer in the stock, can circulate to the outside of stock along the through-hole, in order to flow to the deep basal pit originally internally, can effectively promote the resistance to plucking of stock, reinforcing stability.
In summary, the utility model has the following beneficial effects:
1. Through being provided with the installation cover and being provided with the joint piece on the installation cover, owing to it has elasticity, presses the joint piece with the clamp at the staff and is located between the spout inner peripheral wall in stock and installation cover, can closely butt in the outer peripheral wall of stock, and then with the slip of restriction stock, and then fix the stock to accelerate the fixed rate between stock and the reinforcing bar net, and then with the influence to the construction rate that reduces.
2. Through being provided with the cover that slides and being provided with the butt ring on the cover that slides, can once only press a plurality of joint pieces, and then with the improvement to the pressing rate of joint piece, and then with the fixed rate between improvement acceleration stock and the reinforcing bar net to reduce the influence to the construction rate.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present application;
FIG. 2 is a schematic top view of an embodiment of the present application;
Fig. 3 is a schematic structural view of a reinforcing mesh in an embodiment of the present application;
FIG. 4 is an enlarged schematic view of a portion of FIG. 1 at A;
fig. 5 is a schematic structural view of a first connector according to an embodiment of the present application.
Reference numerals illustrate: 1. a deep foundation pit body; 11. reinforcing the column; 2. a bolt; 3. a reinforcing mesh; 31. a through hole; 32. grouting layer; 33. a groove; 4. a concrete layer; 5. a first connector; 51. a mounting sleeve; 511. a first chute; 512. a rod; 52. a slip sleeve; 521. a second chute; 522. an abutment ring; 6. a second connector; 7. a clamping block; 71. abutting the groove.
Detailed Description
The present application will be described in further detail with reference to fig. 1 to 5.
The embodiment of the application discloses an anchor spraying supporting structure for a deep foundation pit.
Examples:
referring to fig. 1, the anchor spraying support structure for the deep foundation pit comprises an anchor rod 2 inserted into the side wall of a deep foundation pit body 1, a reinforcing steel bar net 3 paved on the side wall of the deep foundation pit body 1 and a concrete layer 4 arranged on the reinforcing steel bar net 3. It should be noted that, when the deep foundation pit body 1 performs the anchor spraying support, the deep foundation pit body 1 needs to be dug in a sectional manner, and the next layer can be dug after the anchor rod 2 of the layer reaches a certain age, so as to reduce the deformation condition of the deep foundation pit body 1. Therefore, in this embodiment, the side wall of the deep foundation pit body 1 is arranged in a stepwise manner and is arranged in an inclined manner.
Referring to fig. 1 and 2, further, in order to improve the anchoring force of the anchor rod 2, the deep foundation pit body 1 is internally provided with a reinforcing column 11, in this embodiment, the reinforcing column 11 is made of concrete, specifically, after a pouring slot for pouring the reinforcing column 11 is provided in advance of the soil body far away from the deep foundation pit body 1, the concrete is poured, the anchor rod 2 is slipped through the concrete at that time after pouring, and after the concrete is solidified, the reinforcing column 11 arranged in the soil body of the deep foundation pit body 1 is formed and fixed with the anchor rod 2. In this embodiment, the reinforcing columns 11 are arranged in two rows and are spaced apart from each other along the height direction of the deep foundation pit body 1.
Referring to fig. 3 and 4, in this embodiment, the anchor rods 2 are arranged in a matrix along the deep foundation pit body 1, the anchor rods 2 are hollow anchor rods 2, two ends of the anchor rods are communicated with the outside, a plurality of through holes 31 communicated with the inside of the anchor rods 2 are formed in the peripheral wall of the anchor rods 2, and grouting layers 32 are arranged in the anchor rods 2, and in this embodiment, the grouting layers 32 are concrete. Specifically, after the anchor rod 2 is inserted into the side wall of the deep foundation pit body 1, concrete is poured at one end of the anchor rod 2 exposed to the outside, and the concrete flows to the outside from the through hole 31 along the inside of the anchor rod 2 to fix the anchor rod 2 and the soil in the deep foundation pit body 1.
Referring to fig. 3, in this embodiment, the reinforcing mesh 3 is provided with a plurality of reinforcing meshes and uniformly distributed along the length direction of the side wall of the deep foundation pit body 1, a first connecting piece 5 is provided between the anchor rod 2 and the reinforcing mesh 3, and a second connecting piece 6 is provided between adjacent reinforcing meshes 3.
Referring to fig. 3 and 5, the first connecting piece 5 includes a mounting sleeve 51 and a sliding sleeve 52, specifically, the mounting sleeve 51 is provided with a first sliding groove 511 through which the anchor rod 2 slides, an end surface of the mounting sleeve 51 is fixedly connected with a clamping block 7 clamped and embedded in the anchor rod 2 and the mounting sleeve 51 is located at an inner peripheral wall of the sliding groove, and the clamping block 7 has elasticity. Specifically, the block is provided with a plurality of, and a plurality of block 7 evenly arranges along the axis of installation cover 51, and the block 7 is kept away from in the one end of installation cover 51 and is the slope setting towards the direction that is close to stock 2, and the block 7 butt is in stock 2.
The sliding sleeve 52 is provided with a second sliding groove 521 through which the anchor rod 2 slides, the surface of the sliding sleeve 52 close to the mounting sleeve 51 is provided with an abutting ring 522 in a protruding manner, the abutting ring 522 abuts against the outer surface of the clamping block 7, the surface of the clamping block 7 close to the abutting ring 522 is provided with an abutting groove 71, and the abutting ring 522 abuts against the abutting groove 71.
In this embodiment, the installation sleeve 51 is inserted into the side wall of the deep foundation pit body 1 according to the anchor rod 2 in advance, so as to be fixed at the position corresponding to the position on the reinforcing mesh 3, when the reinforcing mesh 3 is laid on the side wall of the deep foundation pit body 1, the installation sleeve 51 is slipped and sleeved 52 on the anchor rod 2, wherein the groove 33 is formed around the outer peripheral wall of the anchor rod 2, when the installation sleeve 51 is slipped and sleeved 52 on the anchor rod 2, the clamping block 7 on the installation sleeve 51 is slipped to the groove 33, then the slipping sleeve 52 is slipped and sleeved 52 on the anchor rod 2 to move towards the direction approaching to the installation sleeve 51, so that the abutting ring 522 abuts against the abutting groove 71 formed on the clamping block 7, and then the force is applied to the clamping block 7, so that the clamping block 7 is clamped between the installation sleeve 51 and the anchor rod 2, so as to fix the anchor rod 2.
Referring to fig. 5, further, in order to improve the connection strength between the reinforcing mesh 3 and the deep foundation pit body 1, the end surface of the installation sleeve 51, which is close to the side wall of the deep foundation pit body 1, is provided with an inserting rod 512, and the inserting rod 512 is slidably inserted into the side wall of the deep foundation pit body 1.
Returning to fig. 3, in this embodiment, the second connecting piece 6 is a hoop, and after the adjacent reinforcing steel bar meshes 3 are partially overlapped, the hoop is bound at the node of the overlapping position of the reinforcing steel bar meshes 3, so as to fixedly connect the adjacent reinforcing steel bar meshes 3.
The implementation principle of the anchor spraying supporting structure of the deep foundation pit provided by the embodiment of the application is as follows: after a pouring groove for pouring the reinforcing column 11 is formed in the ground far away from the deep foundation pit body 1, concrete is poured, the anchor rod 2 slides through the concrete at the moment after pouring, and the reinforcing column 11 is formed after the concrete is solidified and is fixed with the anchor rod 2. Concrete is then poured from the end of the anchor rod 2 exposed to the outside.
Then, the installation sleeve 51 is slipped and sleeved 52 is arranged on the anchor rod 2, the clamping block 7 on the installation sleeve 51 is slipped to the groove 33, meanwhile, the inserting rod 512 is inserted into the side wall of the deep foundation pit body 1, then, the slipping sleeve 52 is slipped and sleeved 52 is arranged on the anchor rod 2 so as to move towards the direction close to the installation sleeve 51, after the abutting ring 522 abuts against the abutting groove 71 formed on the clamping block 7, the clamping block 7 is acted, so that the clamping block 7 is clamped and embedded between the installation sleeve 51 and the anchor rod 2, after the reinforcing steel bar net 3 and the anchor rod 2 are fixed, concrete is sprayed on the reinforcing steel bar net 3 to form the concrete layer 4.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (8)
1. The utility model provides a deep basal pit anchor spouts supporting construction which characterized in that: the deep foundation pit comprises anchor rods (2) inserted into the side walls of a deep foundation pit body (1), reinforcing steel bars (3) paved on the side walls of the deep foundation pit body (1) and concrete layers (4) arranged on the reinforcing steel bars (3), wherein the anchor rods (2) are distributed in a matrix along the side walls of the deep foundation pit body (1), the reinforcing steel bars (3) are provided with a plurality of anchor rods and are uniformly distributed along the length direction of the side walls of the deep foundation pit body (1), first connecting pieces (5) are arranged between the anchor rods (2) and the reinforcing steel bars (3), and second connecting pieces (6) are arranged between the adjacent reinforcing steel bars (3); the first connecting piece (5) comprises a mounting sleeve (51) fixedly connected to the reinforcing mesh (3), the mounting sleeve (51) is sleeved with a sliding sleeve (52) in a sliding mode, the anchor rod (2) is arranged on the end face of the mounting sleeve (51), a clamping block (7) clamped between the anchor rod (2) and the mounting sleeve (51) is arranged on the end face of the mounting sleeve (51), and the clamping block (7) is elastic.
2. The deep foundation pit anchor spray supporting structure of claim 1, wherein: the peripheral wall of the anchor rod (2) is wound with a groove (33).
3. The deep foundation pit anchor spray supporting structure of claim 2, wherein: the utility model discloses a telescopic anchor rod, including anchor rod (2), joint piece (7), installation sleeve (51) and joint piece (7), joint piece (7) are provided with a plurality of, a plurality of joint piece (7) are followed the axis of installation sleeve (51) is evenly arranged, joint piece (7) are kept away from in the one end of installation sleeve (51) towards being close to the direction of stock (2) is the slope setting, joint piece (7) butt is in stock (2).
4. A deep foundation pit anchor spray support structure according to claim 3, wherein: the first connecting piece (5) further comprises a sliding sleeve (52) arranged on the anchor rod (2), an abutting ring (522) is arranged on the end face, close to the mounting sleeve (51), of the sliding sleeve (52) in a protruding mode, and the abutting ring (522) abuts against the clamping block (7).
5. The deep foundation pit anchor spray supporting structure of claim 4, wherein: the clamping block (7) is provided with a butt groove (71) close to the surface of the butt ring (522).
6. The deep foundation pit anchor spray supporting structure of claim 1, wherein: the end face of the mounting sleeve (51) is provided with an inserting rod (512) which is inserted into the side wall of the deep foundation pit body (1) in a sliding mode.
7. The deep foundation pit anchor spray supporting structure of claim 1, wherein: the deep foundation pit is characterized in that a reinforcing column (11) is arranged in the soil body far away from the deep foundation pit body (1), the reinforcing column (11) is made of concrete, and one end, far away from the reinforcing mesh (3), of the anchor rod (2) penetrates through the reinforcing column (11).
8. The deep foundation pit anchor spray supporting structure of claim 7, wherein: the anchor rod (2) is a hollow anchor rod (2), a plurality of through holes (31) communicated with the inside of the anchor rod (2) are formed in the peripheral wall of the anchor rod (2), and a grouting layer (32) is arranged in the anchor rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322668535.3U CN220908420U (en) | 2023-10-07 | 2023-10-07 | Deep foundation pit anchor spraying supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322668535.3U CN220908420U (en) | 2023-10-07 | 2023-10-07 | Deep foundation pit anchor spraying supporting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220908420U true CN220908420U (en) | 2024-05-07 |
Family
ID=90905292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322668535.3U Active CN220908420U (en) | 2023-10-07 | 2023-10-07 | Deep foundation pit anchor spraying supporting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220908420U (en) |
-
2023
- 2023-10-07 CN CN202322668535.3U patent/CN220908420U/en active Active
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