CN219195988U - Turnover formula foundation ditch side slope protector with locking protection that takes off - Google Patents
Turnover formula foundation ditch side slope protector with locking protection that takes off Download PDFInfo
- Publication number
- CN219195988U CN219195988U CN202320332055.7U CN202320332055U CN219195988U CN 219195988 U CN219195988 U CN 219195988U CN 202320332055 U CN202320332055 U CN 202320332055U CN 219195988 U CN219195988 U CN 219195988U
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- side slope
- foundation pit
- polymer surface
- surface layer
- loosening
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- 230000007306 turnover Effects 0.000 title claims abstract description 20
- 230000001012 protector Effects 0.000 title claims description 3
- 239000002344 surface layer Substances 0.000 claims abstract description 51
- 229920000642 polymer Polymers 0.000 claims abstract description 45
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 40
- 239000010959 steel Substances 0.000 claims abstract description 40
- 238000003825 pressing Methods 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000002002 slurry Substances 0.000 claims description 9
- 239000004567 concrete Substances 0.000 claims description 8
- 230000002787 reinforcement Effects 0.000 claims description 6
- 229920002521 macromolecule Polymers 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 4
- 239000010410 layer Substances 0.000 claims description 4
- 239000011083 cement mortar Substances 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 15
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 101100334009 Caenorhabditis elegans rib-2 gene Proteins 0.000 description 9
- 238000013461 design Methods 0.000 description 8
- 238000009412 basement excavation Methods 0.000 description 4
- 239000011378 shotcrete Substances 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 230000010485 coping Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000003469 silicate cement Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
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- Road Paving Structures (AREA)
Abstract
The utility model discloses an anti-loosening turnover type foundation pit slope protection device which comprises a high polymer surface layer, a steel wire rope, a pressing plate, a fastening sleeve and a main rib, wherein a plurality of high polymer surface layers are paved on the surface of a foundation pit slope, a prefabricated hole is formed in the foundation pit slope, one end of the main rib penetrates through the high polymer surface layer and is fixedly connected with the prefabricated hole, the steel wire rope is erected outside the high polymer surface layer, the pressing plate is sleeved on the exposed end of the main rib, two rope grooves are formed in the surface of the pressing plate facing the high polymer surface layer, the steel wire rope is arranged in the rope grooves, the exposed end of the main rib is in threaded connection with the fastening sleeve, and the fastening sleeve is screwed to tightly press and fix the pressing plate and the steel wire rope on the high polymer surface layer. The utility model can be recycled, is quick and convenient in construction, has short construction period and high efficiency, and is beneficial to environmental protection.
Description
Technical Field
The utility model relates to the technical field of foundation pit slope support, in particular to a turnover type foundation pit slope protection device with anti-loosening protection.
Background
At present, the traditional foundation pit slope support often adopts the form of spraying concrete surface layer after the slope is hung with the reinforcing bar net, and this construction form cost is high, and the disposable input of material can't be recycled, and need to wait for the surface layer concrete intensity to reach the back and can carry out the excavation of lower floor's earthwork, construction period is longer relatively, and open air shotcrete also can produce the pollution to surrounding environment.
Therefore, how to create a new turnover type foundation pit slope protection device with anti-loosening protection belongs to one of the important research and development problems at present.
Disclosure of Invention
The utility model aims to solve the technical problem of providing the turnover type foundation pit slope protection device with the anti-loosening protection, so that the turnover type foundation pit slope protection device can be reused, is quick and convenient to construct, has short construction period and high efficiency, is beneficial to environmental protection, and overcomes the defects of the prior art.
In order to solve the technical problems, the utility model provides an anti-loosening and protecting turnover type foundation pit slope protection device which comprises a high polymer surface layer, a steel wire rope, a pressing plate, a fastening sleeve and a main rib, wherein a plurality of high polymer surface layers are paved on the surface of a foundation pit slope, a prefabricated hole is formed in the foundation pit slope, one end of the main rib penetrates through the high polymer surface layer to be inserted into the prefabricated hole and is fixedly connected with the prefabricated hole, the steel wire rope is erected outside the high polymer surface layer, the pressing plate is sleeved at the exposed end of the main rib, two rope grooves are formed in the surface of the pressing plate facing the high polymer surface layer, the steel wire rope is arranged in the rope grooves, the exposed end of the main rib is in threaded connection with the fastening sleeve, and the fastening sleeve is tightly screwed to tightly fix the pressing plate and the steel wire rope on the high polymer surface layer.
As an improvement of the utility model, the polymer surface layer is made of polymer composite material.
Further, the inside of the macromolecule surface layer is provided with a reinforcement, and the two surfaces are covered with wear-resistant layers.
Further, the macromolecular surface layers are mutually overlapped at the joint, and the overlapped part is sewn along the joint through length through binding wires and is fixed with the foundation pit slope through U-shaped anchor nails.
Furthermore, the main rib adopts the reinforcing bar, and the clearance intussuseption between main rib and the prefabricated hole is filled with thick liquid, realizes connecting fixedly through thick liquid solidification between main rib and the prefabricated hole.
Further, the slurry is cement mortar or concrete.
Further, the main ribs are uniformly arranged on the foundation pit slope at equal intervals, two steel wire ropes are used as a group, and the steel wire ropes are crisscrossed to form a grid.
Further, the pressing plate adopts a round steel plate, two steel wires are symmetrically arranged in the rope groove in an omega shape, a poking plate is rotationally connected to the center of the rope groove, and the poking plate is used for reducing a gap between the poking plate and the inner wall of the rope groove after rotation so as to prevent the steel wires from loosening.
Further, evenly arranged on the foundation ditch side slope has the bleeder, bleeder one end inserts in the foundation ditch side slope, and one end exposes in the polymer surface course, and the insertion end wall face of bleeder opens has the wash port, and outside parcel has the reverse filter screen, and the gap between reverse filter screen and the bleeder fills the grading gravel.
Further, the drain pipe is made of PVC pipe.
With such a design, the utility model has at least the following advantages:
1. the macromolecule surface layer replaces the traditional sprayed concrete surface layer, can be dismantled after the foundation pit construction is finished, and is recycled;
2. the performance indexes such as tensile strength, thickness, elongation, fire resistance limit and the like of the high polymer surface layer are required to meet the requirements, construction under a foundation pit can be immediately carried out after the high polymer surface layer is paved, the time for the traditional sprayed concrete surface layer to wait for the concrete strength to reach the standard is saved, the construction period is short, and the efficiency is high;
3. the steel wire ropes are symmetrically arranged in the rope grooves of the pressing plate in an omega shape, the centers of the rope grooves are provided with rotatable shifting sheets, when any one of the steel wire ropes is pulled by external force to loosen to one side, the shifting sheets are driven to rotate by friction force, the gap between the shifting sheets and the inner wall of the rope groove is reduced after the shifting sheets rotate, the steel wire ropes are extruded to achieve the effect of being pulled more tightly, and further the steel wire ropes are prevented from loosening;
4. and the pollution of sprayed concrete to the surrounding environment is avoided.
Drawings
The foregoing is merely an overview of the present utility model, and the present utility model is further described in detail below with reference to the accompanying drawings and detailed description.
Fig. 1 is a schematic cross-sectional structure of a turnover type foundation pit slope protection device with anti-loosening protection.
FIG. 2 is a schematic plan view of a polymeric facing at a lap joint.
FIG. 3 is a schematic cross-sectional view of a polymer surface layer at a lap joint.
Fig. 4 is a schematic view of a structure in which a steel wire rope is placed in a rope groove.
Fig. 5 is a schematic structural diagram of the junction of the drain pipe and the polymer surface layer.
Reference numerals illustrate: 1. a polymer surface layer; 2. a main rib; 3. a slurry; 4. a fastening sleeve; 5. a pressing plate; 6. a wire rope; 7. u-shaped anchor nails; 8. binding wires; 9. a drain pipe; 10. a reverse filter screen; 11. grading gravel; 12. rope grooves; 13. a pulling piece.
Detailed Description
Referring to fig. 1 to 5, the utility model provides a turnover type foundation pit slope protection device with anti-loosening protection, which comprises a polymer surface layer 1, a main rib 2, a fastening sleeve 4, a pressing plate 5 and a steel wire rope 6.
The high polymer surface layer 1 is paved on the surface of a foundation pit slope, a prefabricated hole is formed in the foundation pit slope, and one end of the main rib 2 penetrates through the high polymer surface layer 1 and is inserted into the prefabricated hole. The gap between the main rib 2 and the prefabricated hole is filled with slurry 3, and the main rib 2 and the prefabricated hole are fixed by solidification of the slurry 3, and in the embodiment, the slurry 3 is cement mortar or concrete. The main ribs 2 are steel bars and are uniformly distributed on the foundation pit slope at equal intervals.
The exposed end of the main rib 2 is sleeved with a pressing plate 5, the pressing plate 5 is made of a round steel plate, two rope grooves 12 are formed in the surface facing the polymer surface layer 1, two steel wires 6 are symmetrically arranged in the rope grooves 12 in an omega shape, a shifting piece 13 is rotationally connected to the center of each rope groove 12, when the steel wires 6 are pulled by external force to loosen to one side, the steel wires 6 drive the shifting piece 13 to rotate through friction, the distance between the shifting piece 13 and the inner wall of each rope groove 12 is gradually reduced after the shifting piece 13 rotates by a certain angle, the steel wires 6 are extruded, the effect of pulling more tightly is achieved, and the loosening of the steel wires 6 is prevented. The steel wire ropes 6 are arranged outside the polymer surface layer 1 in a grid shape in a crisscross manner by taking two steel wire ropes as a group. The exposed end of the main rib 2 is in threaded connection with a fastening sleeve 4, and the fastening sleeve 4 is screwed to be used for pressing and fixing a pressing plate 5 and a steel wire rope 6 on the polymer surface layer 1.
The high molecular surface layer 1 is made of a high molecular composite material, reinforced bars are arranged in the high molecular surface layer, two surfaces of the high molecular surface layer are covered with wear-resistant layers, and performance indexes such as tensile strength, thickness, elongation, fire resistance limit and the like are required to meet the requirements. The adjacent polymer surface layers are mutually overlapped at the joint, the width of the overlapped part is not less than 300mm, the adjacent polymer surface layers are sewn along the joint through length through a binding wire 8, and the adjacent polymer surface layers are fixed with the foundation pit slope through U-shaped anchor nails 7.
In some preferred embodiments, the drain pipes 9 are uniformly arranged on the side slope of the foundation pit, and the distance between the adjacent drain pipes 9 is 2-3m. The drain pipe 9 adopts PVC tubular product, and one end inserts in the foundation ditch side slope, and the other end exposes in polymer surface course 1. The insertion end wall face of drain pipe 9 is opened there is the wash port, and the outside parcel has reverse filter screen 10, and the gap between reverse filter screen 10 and the drain pipe 9 fills graded gravel 11.
The construction steps of the utility model are as follows:
s1, preparation for construction
Before slope protection design, the geological investigation data, the surrounding environment data and the site construction conditions are collected for targeted design, and monitoring points are distributed according to a scheme and protection measures are taken.
S2, measuring and paying-off
Measuring the line of the upper opening of the foundation pit by using a total station and a steel ruler, and spraying a straight line according to the upper opening of the foundation pit by using lime powder to inform an owner, a general package or a supervision line.
S3, excavating earthwork
And (3) carrying out slope discharging excavation on the foundation pit side slope according to a design drawing, wherein the excavation width of the working surface can meet the requirement of supporting operation.
S4, manually repairing slope
The local slope is excavated or backfilled according to the design slope requirement, and the slope is preferably scraped from top to bottom when the slope is repaired, so that the slope and the flatness of the design requirement are achieved.
S5, construction of main reinforcement
1) Prefabricated hole construction
And (5) before hole forming, hole positions are determined according to design requirements, and marks and numbers are made. Adopting a geological drilling machine to form holes, cleaning the holes after drilling, immediately grouting the holes after local water seepage and hole collapse or falling and soil loosening, and timely installing soil nail reinforcing steel bars and grouting.
2) Main reinforcement manufacturing and mounting
The main ribs 2 are manufactured according to the design length, the distance between the main ribs 2 is 1.5m multiplied by 1.5m, and the positioning clamps are welded every 2m, so that the main ribs 2 are prevented from deviating. During installation, the main rib 2 should be placed at the bottom of the prefabricated hole at one time, hard insertion is forbidden to be forced into the prefabricated hole, and once the main rib 2 cannot be smoothly pulled out, the hole is cleared again. After the construction is completed, the main rib 2 is required to be exposed for 50-80mm.
3) Grouting
After the main reinforcement 2 is placed, grouting is carried out into the prefabricated hole by a grouting machine through a grouting pipe (a steel pipe), the grouting material adopts pure cement slurry with the cement ratio of 0.5, the cement adopts 42.5R-grade composite silicate cement, the compressive strength is not less than 20MPa, and the grouting pressure is 0.4-0.6MPa.
S6, paving and jointing the macromolecule surface layer
The method is characterized in that the size of the coiled material is determined by combining with the actual situation of the site, the comprehensive tensile strength of the slope surface layer is required to be not less than 25KN/m, the comprehensive tensile strength of the sand layer slope surface layer is required to be not less than 30KN/m, the polymer surface layer 1 is required to meet the waterproof related performance, and the polymer surface layer 1 is cut into a plurality of blocks and then is subjected to trial paving, and the cutting size is required to be accurate. Checking whether the width is proper, and leveling the lap joint part and ensuring proper tightness. The macromolecule surface layer 1 is manually rolled and paved, the cloth surface is flattened, paving is started from the flanging position of the slope top, and the deformation allowance is properly reserved from the lower part to the excavation surface. The polymer surface layer 1 is paved and is preferably partitioned and segmented, the blocks are mutually overlapped, and the overlapping width is not less than 300mm. The vertical joint should go up a mouthful depression mouth, and overlap joint department adopts the butt joint, through U-shaped anchor 7 anchor to stitch with the wire 3 "zigzag", wire 3 interval 500mm.
On the slope, the steel wire rope 7 passes through the rope groove 12 in the pressing plate 5 and is drawn to be fixed, and finally the pressing plate 5 is fastened by the fastening sleeve 4 to press the steel wire rope 7.
S7, flanging treatment of slope tops and slope bottoms
The top and the bottom of the slope are provided with assembled surface layer flanging treatment, the width of the top flanging is not less than 0.8m, and the width of the bottom flanging is not less than 0.3m; the top and the bottom of the slope should adopt vertical dowel bars to anchor the polymer surface layer 1, the dowel bars adopt steel bars, the length is preferably 1m, and the dowel bar spacing is the same as the main reinforcement 2 spacing.
After the high polymer surface layer 1 is installed, the slope top and the slope bottom are provided with concrete coping, the coping thickness is not less than 80mm, and the slope top and the slope bottom are covered by C20 concrete to prevent rainwater from penetrating through the slope top and the slope bottom.
S8, construction of a drain pipe
And a water drain pipe 9 is arranged at a position 300mm away from the slope bottom, and the distance between the water drain pipes 9 is not more than 3m. The drain pipe 9 adopts a PVC pipe with the diameter of 50mm, the depth of the pipe inserted into soil body is not less than 300mm, and the whole body of the pipe is wrapped by geotechnical cloth.
The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the utility model in any way, and some simple modifications, equivalent variations or modifications can be made by those skilled in the art using the teachings disclosed herein, which fall within the scope of the present utility model.
Claims (10)
1. The utility model provides a turnover formula foundation ditch side slope protector with locking protection that takes off, a serial communication port, including polymer surface course, wire rope, the clamp plate, fastening sleeve and principal rib, the surface at the foundation ditch side slope is laid to the several polymer surface course, be equipped with the prefabricated hole on the foundation ditch side slope, the one end of principal rib passes the polymer surface course and inserts the prefabricated downthehole to be connected fixedly with the prefabricated hole, wire rope has been erect to polymer surface course outside, the exposure pot head of principal rib is equipped with the clamp plate, two rope grooves have been seted up to the surface of clamp plate towards the polymer surface course, wire rope arranges the rope inslot, the exposure end and the fastening sleeve threaded connection of principal rib, the fastening sleeve of screwing is used for compressing tightly clamp plate and wire rope and fixes on the polymer surface course.
2. The turnover type foundation pit side slope protection device with anti-loosening protection according to claim 1, wherein the polymer surface layer is made of a polymer composite material.
3. The turnover type foundation pit side slope protection device with anti-loosening protection according to claim 1, wherein the polymer surface layer is internally provided with a reinforcement, and the two surfaces are covered with wear-resistant layers.
4. The turnover type foundation pit side slope protection device with anti-loosening protection according to claim 1, wherein the macromolecule surface layers are mutually overlapped at joints, and the overlapped parts are sewn along the joint through length by binding wires and are fixed with the foundation pit side slope by U-shaped anchors.
5. The turnover type foundation pit side slope protection device with anti-loosening protection according to claim 1, wherein the main ribs are steel bars, slurry is filled in gaps between the main ribs and the prefabricated holes, and connection fixation is achieved between the main ribs and the prefabricated holes through slurry solidification.
6. The anti-loosening and protecting turnover type foundation pit side slope protecting device of claim 5, wherein the slurry is cement mortar or concrete.
7. The turnover type foundation pit side slope protection device with anti-loosening protection according to claim 1, wherein the main ribs are uniformly arranged on the foundation pit side slope at equal intervals, and the steel wire ropes are arranged in a grid shape in a crisscross manner by taking two steel wire ropes as a group.
8. The turnover type foundation pit side slope protection device with anti-loosening protection according to claim 1, wherein the pressing plate is a round steel plate, two steel wires are symmetrically arranged in the rope groove in an omega shape, a poking plate is rotationally connected to the center of the rope groove, and the poking plate is used for reducing a gap between the poking plate and the inner wall of the rope groove after rotation so as to prevent the steel wires from loosening.
9. The turnover type foundation pit side slope protection device with anti-loosening protection according to claim 1, wherein water drain pipes are uniformly arranged on the foundation pit side slope, one ends of the water drain pipes are inserted into the foundation pit side slope, one ends of the water drain pipes are exposed out of the polymer surface layer, water drain holes are formed in the inserted end wall surface of the water drain pipes, a counter filter screen is wrapped outside the water drain pipes, and gaps between the counter filter screen and the water drain pipes are filled with grading gravel.
10. The turnover type foundation pit side slope protection device with anti-loosening protection according to claim 9, wherein the drain pipe is made of PVC pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320332055.7U CN219195988U (en) | 2023-02-28 | 2023-02-28 | Turnover formula foundation ditch side slope protector with locking protection that takes off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320332055.7U CN219195988U (en) | 2023-02-28 | 2023-02-28 | Turnover formula foundation ditch side slope protector with locking protection that takes off |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219195988U true CN219195988U (en) | 2023-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320332055.7U Active CN219195988U (en) | 2023-02-28 | 2023-02-28 | Turnover formula foundation ditch side slope protector with locking protection that takes off |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219195988U (en) |
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2023
- 2023-02-28 CN CN202320332055.7U patent/CN219195988U/en active Active
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