CN220813901U - High-steep side slope anti-rolling stone structure - Google Patents
High-steep side slope anti-rolling stone structure Download PDFInfo
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- CN220813901U CN220813901U CN202322326498.8U CN202322326498U CN220813901U CN 220813901 U CN220813901 U CN 220813901U CN 202322326498 U CN202322326498 U CN 202322326498U CN 220813901 U CN220813901 U CN 220813901U
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- stone structure
- anchoring system
- rolling stone
- steep
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- 239000004575 stone Substances 0.000 title claims abstract description 25
- 238000005096 rolling process Methods 0.000 title claims description 22
- 239000002893 slag Substances 0.000 claims abstract description 38
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 34
- 239000010959 steel Substances 0.000 claims abstract description 34
- 238000009412 basement excavation Methods 0.000 claims abstract description 30
- 238000004873 anchoring Methods 0.000 claims abstract description 26
- 230000000903 blocking effect Effects 0.000 claims abstract description 26
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 15
- 230000001681 protective effect Effects 0.000 claims description 32
- 238000005507 spraying Methods 0.000 claims description 10
- 230000006837 decompression Effects 0.000 claims description 6
- 239000010426 asphalt Substances 0.000 claims description 2
- 239000002023 wood Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 239000011435 rock Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
A rolling-proof stone structure for high and steep side slopes belongs to the technical field of high and steep side slope safety. Comprises a supporting system and a slag blocking system. The support system comprises an upper anchoring system and a mortar anchoring system, wherein the upper anchoring system is arranged perpendicular to the slope of the upper part of the excavation surface, and the mortar anchoring system is arranged perpendicular to the slope of the lower part of the excavation surface; the slag blocking system comprises a concrete slag blocking wall, a foundation embedded part and a protecting device, wherein the protecting device comprises protecting net steel columns, passive protecting nets and pull-up anchor ropes, the protecting net steel columns are arranged on the foundation embedded part, the passive protecting nets are arranged between every two protecting net steel columns, the anchor ropes are pulled at the top ends Zhang Lashang of each protecting net steel column, and the pull-up anchor ropes are fixed on a slope body. The beneficial effects of the utility model are as follows: the arrangement construction and the installation of the anchor bolt support, the concrete slag wall and the passive protection net can be completed by only a few steps. The problem of high steep side slope barreling is solved, and the normal operation of the lower switch station and the passing safety of personnel are also ensured.
Description
Technical field:
A rolling-proof stone structure for high and steep side slopes belongs to the technical field of building construction, and particularly relates to the technical field of high and steep side slope safety.
Technical background:
Preventing natural disasters from affecting humans has been a hard task for the construction industry, preventing high steep slopes from damaging underlying building facilities, and preventing injury to personnel are important components of preventing natural disasters. Due to uncertainty of geographical conditions and environmental factors, high-steep side slope rolling stones occur during the process of rolling stones, building facilities located under the high-steep side slope and passing personnel and vehicles, the risk of rolling stones on the high-steep side slope is extremely high, the personnel safety and the normal operation of the building facilities are seriously affected, and the later operation of the building facilities is not facilitated. Aiming at the situation, the development of the structure for preventing the high and steep side slope from rolling stones, which has the advantages of reliability, simple structure and high interception effectiveness, becomes a task with important significance at present.
The invention comprises the following steps:
The technical problem to be solved by the utility model is to provide the structural device which has a simple structure and can effectively intercept high-steep side slope rolling stones. The technical scheme is as follows:
A high-steep side slope rolling-proof stone structure comprises a supporting system and a slag blocking system. The key technology is that the supporting system comprises an upper anchoring system and a mortar anchoring system, wherein the upper anchoring system is vertical to the slope surface of the upper part of the excavation surface, the mortar anchoring system is vertical to the slope surface of the lower part of the excavation surface, a dowel bar is arranged between the upper anchoring system and the mortar anchoring system, and a hanging net is arranged on the slope surface of the upper part of the excavation surface for spraying and protecting; the slag blocking system comprises a concrete slag blocking wall, a foundation embedded part and a protecting device, wherein the concrete slag blocking wall is poured upwards along the net hanging spraying protection direction from the foundation pit surface of an excavation area, the concrete slag blocking wall outwards deviates from the middle position to be sprayed with the net hanging protection and is opened with the excavation surface, the section of the concrete slag blocking wall is in a triangle-like shape, the foundation embedded part is embedded at the top of the concrete slag blocking wall, the protecting device is arranged on the foundation embedded part and comprises a protecting net steel column, a passive protecting net and a pull-up anchor rope, the protecting net steel column is arranged on the foundation embedded part, the passive protecting net is arranged between every two protecting net steel columns, the anchor rope is pulled at the top Zhang Lashang of each protecting net steel column, and the pull-up anchor rope is fixed on a slope body.
Compared with the prior art, the utility model has the following beneficial effects:
1. The utility model has simple structure, convenient construction, good protection effect, nature and environmental protection, and can be completed by arranging, constructing and installing the anchor bolt support, the concrete slag wall and the passive protection net only by a few steps. The problem of high steep side slope barreling is solved, and the normal operation of the lower switch station and the passing safety of personnel are also ensured.
2. The arrangement of the pull-up anchor rope and the passive protective net effectively solves the problems of system destruction and interception failure in the prior art.
3. The setting of concrete slag wall class triangle shape to and concrete slag wall structural joint intussuseption fills the pitch plank, and upper portion anchor system, mortar anchor system are the quincuncial arrangement, have promoted a new height with stability and the practicality of structure.
4. The structure of the utility model is suitable for the protection of the general slope instability or falling rocks, and is particularly suitable for the influence of the high-steep slope rolling rocks on the normal use of lower building facilities and the safety of personnel.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
Fig. 2 is a right side view of fig. 1.
Detailed Description
The following description of the utility model is further offered in connection with the appended drawings, which are intended to illustrate, and not to limit in any way the principles of the utility model, and to limit in any way the scope of the utility model its equivalents or techniques similar to those described herein.
Referring to fig. 1 and 2, the utility model provides a high-steep side slope anti-rolling stone structure, which comprises a support system and a slag blocking system. The key technology is that a slag blocking system is arranged on a foundation pit surface of a stepped excavation area, a supporting system comprises an upper anchoring system 1 and a mortar anchoring system 3, the upper anchoring system 1 is arranged perpendicular to an upper slope surface of the excavation surface of a side slope, the excavation surface has a height difference and is distributed in a stepped mode, the mortar anchoring system 3 is arranged perpendicular to a lower slope surface of the excavation surface of the side slope, a dowel bar 2 is arranged between the upper anchoring system 1 and the mortar anchoring system 3 perpendicular to the lower portion of the excavation surface, a hanging net spraying protection 7 is arranged on the upper slope surface of the excavation surface at the positions of the upper anchoring system 1 and the dowel bar 2, and the hanging net spraying protection 7 is made of concrete with the strength grade of C25 sprayed on a steel bar net with the surface of A6.5@15cm×15cm; the slag blocking system comprises a concrete slag blocking wall 5, foundation embedded parts 8 and a protecting device, wherein the concrete slag blocking wall 5 is a counter weight type retaining wall, the concrete slag blocking wall 5 is poured upwards along the direction of a net hanging spraying protection 7 from the foundation pit surface of an excavation area, the concrete slag blocking wall 5 is outwards deviated from the net hanging spraying protection 7 from the middle position and forms an opening 12 with the excavation surface, the section of the concrete slag blocking wall 5 is in a triangle-like shape, the foundation embedded parts 8 are embedded at the top of the concrete slag blocking wall 5, the protecting device is installed on the foundation embedded parts 8 and comprises a protective net steel column 9, a passive protective net 15 and a pull-up anchor rope 10, the protective net steel column 9 is arranged on the foundation embedded parts 8, one protective net steel column 9 is correspondingly arranged on each foundation embedded part 8, the passive protective net 15 is installed between every two protective net steel columns 9, the anchor rope 10 is pulled at the top Zhang Lashang of each protective net steel column 9, and the pull-up anchor rope 10 is fixed on a slope body through the anchor rod.
And the drainage holes 4 are arranged along the slope elevation angle of the upper part of the excavation surface by 10-12 degrees.
And arranging a drain pipe 6 at an angle of 10-12 degrees downwards at an opening 12 formed by the concrete slag wall 5 and the excavation surface.
And C20 ribbed steel bars 11 are paved on one side, close to the opening 12, of the upper part of the concrete slag wall 5.
The structural joint in the middle of the concrete slag wall 5 is filled with asphalt wood boards 14.
The upper anchoring system 1 adopts C28 and L=9m anchor rod supports, the anchor rods are exposed for 10 cm to 12cm, and the anchor rods are arranged in a quincuncial shape.
The mortar anchoring system 3 adopts anchor rod supports of C28, L=9m/C25 and L=6m, and the anchor rods are arranged in a quincuncial shape.
The dowel bars 2 are ribbed steel bars with the thickness of C28 and L=9m@1mx1.5 m, the steel bars are arranged in a rectangular mode, the dowel bars are exposed for 1.2m to form dowel bar exposed heads, and the dowel bar exposed heads are used for bearing force generated by an upper structure.
The protective net steel column 9 is made of hot-rolled I-steel.
The pull-up anchor line 10 is provided with a pressure reducing ring 10.1.
The high-steep side slope rolling-proof stone structure specifically comprises the following operation:
(1) An anchor system 1 is arranged in a quincuncial shape perpendicular to an excavation surface, a mortar anchor system 3 is arranged in a quincuncial shape perpendicular to a sloping surface on the lower side of the excavation surface, a dowel 2 is arranged in a rectangular shape perpendicular to the lower side of the excavation surface, and a hanging net spraying protection 7 is arranged on the excavation surface;
(2) After the excavation face and the support of the lower side of the excavation face are finished, pouring the concrete slag wall 5 is firstly carried out, and before the concrete slag wall is poured, the steel bars 11 are paved, the drain pipes 6 and the foundation embedded parts 8 are arranged, and manual installation and in-situ pouring are adopted;
(3) Installing a protective net system: the protective net steel columns 9 are arranged on the foundation embedded part 8, pull-up anchor ropes, steel rope anchor rods and decompression rings are arranged on each protective net steel column manually, and finally, a passive protective net is arranged between every two protective net steel columns.
The high and steep side slope rolling stone interception process is as follows:
(1) Dispersing impact force: the dispersed impact force is mainly borne by the passive protective net 15, when a high-steep slope falls down due to rolling stones, huge impact force is generated due to the action of gravitational potential energy, and the impact force is dispersed and transmitted to the passive protective net steel column 9 by utilizing the good flexibility of the passive protective net 15;
(2) Impact force attenuation: the impact force is weakened and is mainly borne by the passive protective net steel column 9 and the pull-up anchor rope 10, when the passive protective net steel column 9 receives the force transmitted by the passive protective net 15, the force is transmitted to the lower concrete slag wall 5 and the upper slope surface line 13 again through the bottom foundation embedded part 8 and the pull-up anchor rope 10, so that the impact force is weakened;
(3) Kinetic energy of absorbing and digesting rolling stones: the kinetic energy of absorbing and digesting the barren rock is mainly born by the decompression ring 10.1 on the pull-up anchor rope and the passive protective net of the adjacent section, when the passive protective net weakens the impact force of the barren rock, the decompression ring 10.1 on the pull-up anchor rope plays a role, the force is buffered again through shrinkage of the decompression ring, and the passive protective net of the impacted section generates tiny deformation along with the action of the decompression ring, so that the residual kinetic energy of the barren rock is transferred to the passive protective net of the collar section, and the barren rock is intercepted in the protective structure through layer-by-layer transfer and weakening, thereby achieving the aim of preventing the barren rock structure of the high steep slope.
Claims (10)
1. The high-steep slope anti-rolling stone structure comprises a supporting system and a slag blocking system, and is characterized in that the supporting system comprises an upper anchoring system (1) and a mortar anchoring system (3), the upper anchoring system (1) is arranged perpendicular to the slope surface on the upper part of an excavation surface, the mortar anchoring system (3) is arranged perpendicular to the slope surface on the lower part of the excavation surface, a dowel bar (2) is arranged between the upper anchoring system (1) and the mortar anchoring system (3), and a hanging net spraying protection (7) is arranged on the slope surface on the upper part of the excavation surface; the slag blocking system comprises a concrete slag blocking wall (5), a foundation embedded part (8) and a protecting device, wherein the concrete slag blocking wall (5) is poured upwards along the direction of a net hanging spraying protection (7) from the surface of a foundation pit in an excavation area, the concrete slag blocking wall (5) outwards deviates from the net hanging spraying protection (7) from the middle position, an opening (12) is formed in the surface of the excavation area, the section of the concrete slag blocking wall (5) is triangular, the foundation embedded part (8) is embedded at the top of the concrete slag blocking wall (5), the protecting device is installed on the foundation embedded part (8) and comprises a protective net steel column (9), a passive protective net (15) and an upward-pulling anchor rope (10), the protective net steel column (9) is arranged on the foundation embedded part (8), the passive protective net (15) is installed between every two protective net steel columns (9), the anchor rope (10) is pulled at the top Zhang Lashang of each protective net steel column (9), and the upward-pulling anchor rope (10) is fixed on a slope body.
2. The high and steep slope anti-rolling stone structure according to claim 1, wherein the drain holes (4) are arranged along the slope elevation angle of the upper part of the excavation surface by 10-12 degrees.
3. The high and steep side slope anti-rolling stone structure according to claim 1, wherein the drain pipe (6) is arranged at an angle of 10-12 degrees downwards at an opening (12) formed by the concrete slag wall (5) and the excavation surface.
4. The high and steep side slope anti-rolling stone structure according to claim 1, wherein the steel bar (11) is paved on one side of the upper part of the concrete slag wall (5) close to the opening (12).
5. The high and steep side slope anti-rolling stone structure according to claim 1, wherein asphalt wood boards (14) are filled in structural joints in the middle of the concrete slag-stopping wall (5).
6. The high and steep slope anti-rolling stone structure according to claim 1, wherein the upper anchoring system (1) adopts anchor rod support with C28 and l=9m, and the anchor rods are exposed for 10-12 cm and are arranged in a quincuncial shape.
7. The high and steep side slope anti-rolling stone structure according to claim 1, characterized in that the mortar anchor system (3) is arranged in a quincuncial shape.
8. The high and steep side slope anti-rolling stone structure according to claim 2, wherein the dowel bars (2) are arranged in a rectangular shape, and the dowel bars are exposed to form dowel bar exposed ends.
9. The high and steep side slope anti-rolling stone structure according to claim 1, wherein the protective net steel column (9) is made of hot-rolled I-steel.
10. The high and steep slope anti-rolling stone structure according to claim 1, wherein a decompression ring (10.1) is arranged on the pull-up anchor rope (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322326498.8U CN220813901U (en) | 2023-08-29 | 2023-08-29 | High-steep side slope anti-rolling stone structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322326498.8U CN220813901U (en) | 2023-08-29 | 2023-08-29 | High-steep side slope anti-rolling stone structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220813901U true CN220813901U (en) | 2024-04-19 |
Family
ID=90675765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322326498.8U Active CN220813901U (en) | 2023-08-29 | 2023-08-29 | High-steep side slope anti-rolling stone structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220813901U (en) |
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2023
- 2023-08-29 CN CN202322326498.8U patent/CN220813901U/en active Active
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