CN215629929U - Novel site operation structure of anti-floating anchor rod - Google Patents
Novel site operation structure of anti-floating anchor rod Download PDFInfo
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- CN215629929U CN215629929U CN202121624993.1U CN202121624993U CN215629929U CN 215629929 U CN215629929 U CN 215629929U CN 202121624993 U CN202121624993 U CN 202121624993U CN 215629929 U CN215629929 U CN 215629929U
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- anchor rod
- anchor
- floating
- main ribs
- rod main
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- 238000007667 floating Methods 0.000 title claims abstract description 50
- 238000010276 construction Methods 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 13
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 210000003205 muscle Anatomy 0.000 claims description 8
- 238000005452 bending Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims description 4
- 238000007569 slipcasting Methods 0.000 claims description 3
- 230000015271 coagulation Effects 0.000 claims description 2
- 238000005345 coagulation Methods 0.000 claims description 2
- 239000002689 soil Substances 0.000 abstract description 7
- 238000007711 solidification Methods 0.000 abstract description 2
- 230000008023 solidification Effects 0.000 abstract description 2
- 238000007654 immersion Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 238000001556 precipitation Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 238000004078 waterproofing Methods 0.000 description 4
- 239000011440 grout Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a novel field construction structure of an anti-floating anchor rod, which comprises an anchor hole and three anchor rod main ribs, wherein the anchor rod main ribs are in a 7 shape, the vertical parts of the three anchor rod main ribs are distributed in the anchor hole in a triangular shape, the horizontal parts of the three anchor rod main ribs are radially distributed above the anchor hole towards the periphery, a steel connecting pipe is arranged in the triangular region, the steel connecting pipe is respectively welded with the vertical parts of the three anchor rod main ribs to connect the three anchor rod main ribs into a bundle, a grouting pipe is arranged in the steel connecting pipe in a penetrating way, a grouting solidification layer is arranged in the anchor hole, a bowl-shaped groove is reserved in the center of an upper port of the anchor hole, waterproof factice is arranged in the bowl-shaped groove, a concrete poured cushion layer is arranged on the periphery of the upper port of the anchor hole, a bottom plate is arranged above the cushion layer, and a waterproof coiled material layer penetrated by the anti-floating anchor rod is arranged between the bottom plate and the cushion layer. The utility model is safe and stable, can prevent the water seepage around the anti-floating anchor rod, avoids the immersion and damage of the foundation soil by water, and ensures the bearing capacity of the foundation.
Description
Technical Field
The utility model relates to the technical field of anti-floating anchor rod construction, in particular to a novel on-site construction structure of an anti-floating anchor rod.
Background
In the current sandy mudstone anti-floating anchor rod construction in China, the sandy mudstone has no obvious drainage function on fracture water in the sandy mudstone due to the superior water-resisting performance of the sandy mudstone, such as light well-point dewatering, jet well-point dewatering, deep well-point dewatering and the like in the traditional drainage measures.
In traditional anti-floating anchor rod construction, generally carry out anti-floating anchor rod construction earlier, carry out the construction of base bed course afterwards, if it is not obvious to fall drainage measure effect, when the anti-floating anchor rod pore-forming that the artesian head is high, the pore-forming gushes water phenomenon will appear, and the foundation soil is soaked by water on every side. The traditional construction process has the following treatment modes for the foundation soil in the soaking area: and after the agreement of a design unit, performing overbreak on the substrate of the soaking area, and replacing and filling the substrate with plain concrete after the overbreak. This approach can lead to a delay in construction and corresponding waste of labor material; the sandy mudstone as a substrate has the characteristic of high bearing capacity, but the sandy mudstone is easy to soften after meeting water, and the bearing capacity is reduced at a high speed; in addition, the prior art needs to excavate precipitation well alone and carries out precipitation, and is with high costs. Therefore, it is necessary for those skilled in the art to invent a method for rapid precipitation, and at the same time, to invent a novel on-site construction structure of anti-floating anchor rod, which can prevent sandy mudstone from being soaked by water after precipitation treatment is performed on the water burst area, so as to ensure the bearing capacity of the substrate.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problems, and particularly provides a novel on-site construction structure of an anti-floating anchor rod, which is safe and stable, can prevent the periphery of the anti-floating anchor rod from being infiltrated, avoids the foundation soil from being soaked and damaged by water, and ensures the bearing capacity of the foundation.
In order to achieve the aim, the utility model provides a novel anti-floating anchor rod site construction structure, which comprises an anchor hole and three anchor rod main ribs, the anchor rod main ribs are 7-shaped, the vertical parts of the three anchor rod main ribs are distributed in a triangular shape in the anchor hole, the horizontal parts of the three anchor rod main ribs are radially distributed on the periphery above the anchor hole, a steel connecting pipe is arranged in the triangular area, the steel connecting pipe is respectively welded with the vertical parts of the three anchor rod main ribs to connect the three anchor rod main ribs into a bundle, a grouting pipe is arranged in the steel connecting pipe in a penetrating way, the anchor hole is funnel-shaped, a grouting solidification layer is arranged in the anchor hole, a bowl-shaped groove is reserved at the center of the upper port of the anchor hole, waterproof factice is arranged in the bowl-shaped groove, the periphery of the upper port of the anchor hole is a concrete pouring cushion layer, a bottom plate is arranged above the cushion layer, and a waterproof coil layer penetrated by the anti-floating anchor rod is arranged between the bottom plate and the cushion layer.
In the scheme, the method comprises the following steps: three centering supports are welded on the vertical portions of the three anchor rod main ribs and are circumferentially and uniformly distributed, and each centering support is supported on the inner wall of the anchor hole so as to ensure that the anti-floating anchor rod is arranged at the center of the anchor hole.
In the scheme, the method comprises the following steps: the both ends of centering support have the portion of bending, and every centering support is through the vertical welding in the middle part of stock owner muscle of two portions of bending, and the middle part of every centering support is trapezoidal arch and the laminating of anchor eye inner wall. This centering support simple structure, with the length of anchor eye inner wall laminating big, only need set up a department at the middle part of anti-floating anchor rod and just can effectively play the centering effect, need not to set up many places, and can regard as the handle to use the centering support when anti-floating anchor rod is under construction.
In the scheme, the method comprises the following steps: the waterproof roll material layer comprises a bottom plate waterproof roll material layer positioned on the upper layer and an additional waterproof roll material layer positioned on the lower layer. The double-layer waterproof coiled material ensures that the bottom plate is connected with the cushion layer without leakage, and prevents the foundation soil from being soaked and damaged by water.
In the scheme, the method comprises the following steps: the entrance that anti-floating anchor rod passed waterproof coil layer is provided with the chance water inflation sealing rod that surrounds anti-floating anchor rod, and waterproof coil layer formation is sealed, prevents the entrance infiltration.
The utility model has the following effects: 1. compared with the traditional fixing mode that the anchor rod main ribs are fixed together by binding, the anchor rod main ribs are fixed by welding, and all the anchor rod main ribs are completely integrated, so that the stability is higher and the safety is better; 2. through setting up waterproof oleamen and waterproof coil stock layer, can effectively prevent anti floating anchor rod infiltration all around, avoid basement soil to be soaked and destroy by water, the bearing capacity of guarantee basement.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a partial sectional view of fig. 1.
Fig. 3 is a schematic view of the installation of the centering bracket on the anchor rod main rib.
FIG. 4 is a schematic view of the bedding construction.
Fig. 5 is a schematic diagram of anchor hole construction in a severe water burst area.
FIG. 6 is a detailed processing diagram of the PE pipe joint length.
Detailed Description
As shown in fig. 1-6, the construction method for rapid precipitation of the anti-floating anchor rod is applied to sandy mudstone with abundant underground fissure water, the underground fissure water and the make-up water in the sandy mudstone are overground water seepage and underground water storage for fissure development, and the construction method has the characteristics of small water supply and dispersed water source and mainly comprises the following steps:
step one, when the earthwork is excavated to the designed elevation more than 300mm, manually picking up the bottom to the position 100mm below the designed elevation.
Step two, adopting concrete to pour the cushion layer 1; and (5) excavating and hardening the water collecting pit.
And step three, constructing the anchor hole 2 of the anti-floating anchor rod, and when the construction part of the anchor hole 2 has serious water burst, constructing the anchor holes 2 around the construction part, and making a drilling construction record.
And step four, after the construction of the surrounding anchor holes 2 is finished, pumping and draining the water of each anchor hole 2 by using a self-priming pump and a PE pipe 7, and draining the pumped water into a water collecting pit, so that the precipitation treatment of the serious water burst area is realized, and a construction pumping ledger is well made. When the cushion layer of the PE pipe 7 is long, a cushion iron steel plate 8 needs to be sleeved for ensuring that the PE pipe 7 is vertical and stable.
And step five, when the water level in the surrounding anchor holes 2 tends to be stable, the PE pipe 7 and the self-priming pump are pulled out, the anchor holes 2 at the positions with serious water burst are constructed before, and the construction record of drilling is made.
And step six, repeating the step three to the step five until the construction of the anchor holes 2 of all the anti-floating anchor rods is completed.
Seventhly, performing anti-floating anchor rod construction; firstly, manufacturing an anti-floating anchor rod outside an anchor hole 2, wherein the anti-floating anchor rod comprises a plurality of anchor rod main ribs 3, the length of each anchor rod main rib 3 is the length of an anchoring section plus the length of an anchor rib of a concrete bottom plate, after the steel bars are cut, the steel bars are processed into the anchor rod main ribs 3 on site according to a design drawing, each anchor rod main rib 3 is formed into a bundle by welding a steel connecting pipe 4 between each anchor rod main rib 3 in a spot welding mode, a centering bracket 6 is welded on the anti-floating anchor rod, then the manufactured anti-floating anchor rod 6 is embedded into the corresponding anchor hole 2, and the anti-floating anchor rod is vertically fixed in the center of the anchor hole 2 under the action of the centering bracket 6; a grouting pipe 5 is arranged in the middle of the steel connecting pipe 3 in a penetrating way.
And step eight, grouting M30 cement paste, beginning grouting into the grouting pipe 5 by using a grouting pump after the anti-floating anchor rod is subjected to hole cleaning, grouting at the pressure of 0.5-1 MPa for one time, and grouting to the orifice from the bottom of the hole for reverse grouting, wherein the grout is condensed and contracted, so that the grout is supplemented at the orifice at any time to ensure that the grout in the hole is full, and the head of the anti-floating anchor rod is temporarily supported after grouting to prevent the anti-floating anchor rod from being inclined by external force.
And step nine, performing waterproof treatment on the anti-floating anchor rod.
The utility model is a field construction structure based on the construction method.
The site construction structure of the novel anti-floating anchor rod comprises an anchor hole 2 and three anchor rod main ribs 3, wherein the anchor rod main ribs 3 are 7-shaped, the vertical parts of the three anchor rod main ribs 3 are distributed in a triangular mode in the anchor hole 2, and the horizontal parts of the three anchor rod main ribs 3 are distributed radially on the periphery above the anchor hole 2.
A steel connecting pipe 4 is arranged in the triangular area, the steel connecting pipe 4 is respectively welded with the vertical parts of the three anchor rod main ribs 3 to connect the three anchor rod main ribs 3 into a beam, and a grouting pipe 5 is arranged in the steel connecting pipe 4 in a penetrating mode. Anchor eye 2 is for leaking hopper-shaped, is provided with the slip casting coagulation layer in the anchor eye 2, and the upper port center department of anchor eye 2 reserves a bowl form recess, is provided with waterproof oleamen 9 in the bowl form recess. The periphery of the upper port of the anchor hole 2 is a concrete pouring cushion layer 1, a bottom plate 13 is arranged above the cushion layer 1, and a waterproof coiled material layer penetrated by an anti-floating anchor rod is arranged between the bottom plate 13 and the cushion layer 1.
Preferably, three centering brackets 6 are welded on the vertical parts of the three anchor rod main ribs 3, the three centering brackets 6 are uniformly distributed in the circumferential direction, and each centering bracket 6 is supported on the inner wall of the anchor hole 2 so as to ensure that the anti-floating anchor rod is in the center of the anchor hole.
Preferably, both ends of the centering support 6 are provided with bending parts, each centering support 6 is vertically welded in the middle of the anchor rod main rib 3 through the two bending parts, and the middle part of each centering support 6 is in a trapezoidal arch shape and is attached to the inner wall of the anchor hole 2. This centering support 6 simple structure, with the length of 2 inner wall laminating of anchor eye big, only need set up a department at the middle part of anti-floating anchor rod and just can effectively play the centering effect, need not to set up many places, and can use centering support 6 as the handle when anti-floating anchor rod is under construction.
Preferably, the waterproofing roll layer comprises a bottom waterproofing roll layer 10 on the upper layer and an additional waterproofing roll layer 11 on the lower layer. The double-layer waterproof coiled material ensures that the bottom plate 13 is connected with the cushion layer 1 without leakage, and prevents the foundation soil from being soaked and damaged by water.
Preferably, a water-swellable seal 12 surrounding the anti-floating anchor is provided at the entrance of the anti-floating anchor through the layer of waterproofing membrane forming a seal to prevent water seepage at the entrance.
Claims (5)
1. The utility model provides a novel site operation structure of anti-floating anchor rod, includes anchor eye (2) and three anchor rod owner muscle (3), anchor rod owner muscle (3) are "7" style of calligraphy, three the vertical portion of anchor rod owner muscle (3) is triangular distribution in anchor eye (2), three the horizontal segment of anchor rod owner muscle (3) is radial distribution, its characterized in that all around in anchor eye (2): be provided with a steel in the triangle-shaped region and link pipe (4), steel links pipe (4) and welds three stock owner muscle (3) with the vertical part of three stock owner muscle (3) respectively and connect the beam forming, wear to be equipped with slip casting pipe (5) in steel links pipe (4), anchor eye (2) are for leaking hopper-shaped, are provided with the slip casting coagulation layer in anchor eye (2), the last port center department of anchor eye (2) is reserved has a bowl form recess, be provided with waterproof oleamen (9) in the bowl form recess, the last port periphery of anchor eye (2) is concrete placement's bed course (1), bed course (1) top is bottom plate (13), be provided with the waterproof roll material layer that is passed by anti-floating anchor rod between bottom plate (13) and bed course (1).
2. The novel construction on site structure of anti-floating anchor rod of claim 1, characterized in that: three centering supports (6) are welded on the vertical portion of the three anchor rod main ribs (3), the three centering supports (6) are circumferentially and uniformly distributed, and each centering support (6) is supported on the inner wall of the anchor hole (2).
3. The novel anti-floating anchor rod site construction structure of claim 2, wherein: the both ends of centering support (6) have the portion of bending, and every centering support (6) is through the vertical welding in the middle part of stock owner muscle (3) of two portions of bending, and the middle part of every centering support (6) is trapezoidal arch and the laminating of anchor eye (2) inner wall.
4. The novel construction on site structure of anti-floating anchor rod of claim 1, characterized in that: the waterproof roll material layer comprises a bottom plate waterproof roll material layer (10) located on the upper layer and an additional waterproof roll material layer (11) located on the lower layer.
5. The novel construction on site structure of anti-floating anchor rod of claim 1, characterized in that: and a water-swelling water stop bar (12) surrounding the anti-floating anchor rod is arranged at the inlet of the anti-floating anchor rod penetrating through the waterproof coiled material layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121624993.1U CN215629929U (en) | 2021-07-16 | 2021-07-16 | Novel site operation structure of anti-floating anchor rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121624993.1U CN215629929U (en) | 2021-07-16 | 2021-07-16 | Novel site operation structure of anti-floating anchor rod |
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| Publication Number | Publication Date |
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| CN215629929U true CN215629929U (en) | 2022-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121624993.1U Expired - Fee Related CN215629929U (en) | 2021-07-16 | 2021-07-16 | Novel site operation structure of anti-floating anchor rod |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113529765A (en) * | 2021-07-16 | 2021-10-22 | 中国建筑第二工程局有限公司 | Rapid precipitation construction method of anti-floating anchor rod |
| CN114855792A (en) * | 2022-04-29 | 2022-08-05 | 中国建筑第七工程局有限公司 | Graded supercharged anti-floating anchor rod and construction method thereof |
-
2021
- 2021-07-16 CN CN202121624993.1U patent/CN215629929U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113529765A (en) * | 2021-07-16 | 2021-10-22 | 中国建筑第二工程局有限公司 | Rapid precipitation construction method of anti-floating anchor rod |
| CN113529765B (en) * | 2021-07-16 | 2024-04-26 | 中国建筑第二工程局有限公司 | Rapid water-lowering construction method for anti-floating anchor rod |
| CN114855792A (en) * | 2022-04-29 | 2022-08-05 | 中国建筑第七工程局有限公司 | Graded supercharged anti-floating anchor rod and construction method thereof |
| CN114855792B (en) * | 2022-04-29 | 2024-01-26 | 中国建筑第七工程局有限公司 | Hierarchical supercharged anti-floating anchor rod and construction method thereof |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220125 |