CN216041227U - Beam-anchor combined supporting and reinforcing structure for slope landslide control - Google Patents
Beam-anchor combined supporting and reinforcing structure for slope landslide control Download PDFInfo
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- CN216041227U CN216041227U CN202122035951.0U CN202122035951U CN216041227U CN 216041227 U CN216041227 U CN 216041227U CN 202122035951 U CN202122035951 U CN 202122035951U CN 216041227 U CN216041227 U CN 216041227U
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- shaped steel
- anchor rod
- vertical beam
- steel vertical
- side slope
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- 230000008093 supporting effect Effects 0.000 title claims abstract description 25
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 142
- 239000010959 steel Substances 0.000 claims abstract description 142
- 210000001015 abdomen Anatomy 0.000 claims abstract description 18
- 239000004567 concrete Substances 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 11
- 238000010276 construction Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 238000010008 shearing Methods 0.000 abstract description 5
- 238000005452 bending Methods 0.000 abstract description 4
- 239000011435 rock Substances 0.000 description 12
- 239000011083 cement mortar Substances 0.000 description 11
- 230000002787 reinforcement Effects 0.000 description 7
- 239000011150 reinforced concrete Substances 0.000 description 5
- 238000003825 pressing Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
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- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The utility model discloses a beam-anchor combined supporting and reinforcing structure for slope landslide control, wherein an H-shaped steel vertical beam (1) is laid on the surface of a slope, a gusset plate (5) is welded on the outer edge of the wing end of an H-shaped steel anchor rod (6), a layer of base plate (2) is additionally arranged at the lower hole position of the belly of the H-shaped steel vertical beam (1), and the H-shaped steel anchor rod (6), the gusset plate (5), the H-shaped steel vertical beam (1) and the base plate (2) are connected together through a lower hole bolt (4); the method is characterized in that a steel bar anchor rod (9) is inserted into a drilled hole in a side slope body through an upper hole formed in the belly of an H-shaped steel vertical beam (1), the steel bar anchor rod (9) is connected with the H-shaped steel vertical beam (1) through an upper hole bolt (10), and therefore the H-shaped steel anchor rod (6), the steel bar anchor rod (9) and the H-shaped steel vertical beam (1) on the surface of the side slope form a whole to form a beam-anchor supporting system to bear the bending, shearing and pulling effects of a sliding body. The utility model has the characteristics of convenient construction, short period, uniform and reasonable stress of the reinforcing system, investment saving and the like.
Description
Technical Field
The utility model belongs to the technical field of slope treatment, and particularly relates to a slope support reinforcing structure.
Background
At present, the slope landslide treatment technology mainly comprises drainage, slope cutting and load reduction, slope pressing of block stone materials, anchor rod (cable) reinforcement, retaining wall support, anti-slide piles and the like. Among a plurality of governing technologies, slope cutting and load shedding, rock block slope pressing and drainage are economical and effective for governing landslide, and when landslide is generated, the method is preferentially adopted. When the landslide does not have the condition of slope cutting or slope pressing, the reinforcement and treatment of the anchor rod (cable) is taken as a passive reinforcement and treatment measure, has the characteristics of simplicity, practicability, economy and safety, and is often selected in the slope reinforcement and treatment. However, the anchor rod (cable) is easy to have stress relaxation and the like in the process of slope reinforcement treatment, so that the slope reinforcement is failed. The combined supporting system of the reinforced concrete frame beam and the anchor rod (cable) can effectively enhance the integrity of the reinforced rock body and increase the reinforcing treatment effect, and is widely applied to landslide treatment. However, practical applications show that the reinforced anchor rod and reinforced concrete beam combined system has the following disadvantages: the stress mode of the anchor rod steel bar is mainly tensile, and the shear strength and the rigidity are obviously insufficient; the traditional reinforced concrete frame beam needs formwork erecting, binding, steel bar welding and concrete pouring on the slope surface, and has various working procedures, difficult construction and long period; the bearing capacity of the steel bar anchor rod is low, the residual sliding force of the sliding body is offset, the number of drilled holes and steel bars needs to be increased, and the cost is increased.
In order to ensure the reasonability and harmony of the whole stress of the reinforcing system, reduce the construction period, simplify the construction process, save the investment, reasonably make a slope treatment scheme, optimize an anchor rod-beam combined system and increase the group anchor effect, the beam-anchor frame type combined reinforcing method suitable for slope landslide treatment is particularly necessary.
Disclosure of Invention
The utility model aims to provide a beam-anchor combined supporting and reinforcing structure for slope landslide control, which mainly aims at solving the problems that anchor rods (cables) are easy to loose stress, weak in external complex load bearing capacity or insufficient in shear strength and rigidity, complex in construction process and the like in the slope reinforcing and controlling process in the prior art.
In order to achieve the purpose, the utility model relates to a beam-anchor combined supporting and reinforcing structure for slope landslide control, which adopts a reinforcing and supporting structure comprising an H-shaped steel vertical beam, an H-shaped steel anchor rod and a steel bar anchor rod, wherein the H-shaped steel vertical beam is laid on the surface of a slope body to be reinforced, and an upper hole and a lower hole are formed in the belly of the H-shaped steel vertical beam at intervals; the joint plate is welded on the outer edge of the wing end of the H-shaped steel anchor rod, the joint plate and the H-shaped steel anchor rod are perpendicular to form a T shape, small holes are formed in the positions, located on two sides of the H-shaped steel anchor rod, of the joint plate respectively, nuts are welded on the surface of the edge of the small holes of the joint plate, and the nuts are welded on the lower surface of the joint plate; the H-shaped steel anchor rod is inserted into a drilled hole in the side slope body through a lower hole formed in the belly of the H-shaped steel vertical beam at intervals; a layer of backing plate is additionally arranged at the lower hole position of the belly of the H-shaped steel vertical beam, two small holes are formed in the backing plate, two small holes are also formed in the web plate of the H-shaped steel vertical beam, and the two small holes in the backing plate and the two small holes in the web plate of the H-shaped steel vertical beam are the same in pore size and correspond to the two small holes in the gusset plate in position; the outer surface around the two small holes on the backing plate is also welded with a screw cap; the H-shaped steel anchor rod, the gusset plate, the H-shaped steel vertical beam and the base plate are connected together through the lower hole bolt, and the lower hole bolt and the nut are fixed together through welding, so that the H-shaped steel anchor rod and the H-shaped steel vertical beam paved on the surface of the side slope are connected into a whole; the steel bar anchor rod is inserted into a drilled hole in the side slope body through an upper hole formed in the belly of the H-shaped steel vertical beam, the steel bar anchor rod is connected with the H-shaped steel vertical beam through an upper hole bolt, and the upper hole bolt and the H-shaped steel vertical beam are welded and fixed, so that the steel bar anchor rod is connected with the H-shaped steel vertical beam paved on the surface of the side slope into a whole.
In order to prevent the corrosion of the H-shaped steel vertical beam, plain concrete is sprayed on the surface of the H-shaped steel vertical beam.
In order to prevent the large-area contact of the H-shaped steel anchor rod and the rock mass in the drilled hole, the H-shaped steel anchor rod is supported by the support frame and is inserted into the drilled hole in the side slope body through the lower hole in the belly of the H-shaped steel vertical beam, so that after grouting is conducted on the drilled hole, the rock wall in the drilled hole and the H-shaped steel anchor rod can be in full contact with cement mortar, and the pulling resistance of the cement mortar is enhanced. Similarly, in order to prevent the large-area contact of the steel bar anchor rod and the rock mass in the drill hole, the steel bar anchor rod adopts the support frame to support and inserts into the drill hole in the side slope body through the upper hole of the abdomen of the H-shaped steel vertical beam, so that after grouting the drill hole, the rock wall in the drill hole and the steel bar anchor rod can fully contact cement mortar, and the pulling resistance of the cement mortar is enhanced.
The utility model integrates the H-shaped steel anchor rod, the steel bar anchor rod and the H-shaped steel vertical beam on the surface of the side slope to form a beam-anchor supporting system to bear the bending, shearing and pulling actions of the sliding body.
After the beam-anchor combined supporting and reinforcing structure for slope landslide control adopts the technical scheme, the beam-anchor combined supporting and reinforcing structure has the following positive effects:
(1) the stress system is converted into a mode of combining an H-shaped steel anchor rod and a steel anchor rod by a single steel anchor rod, so that the shearing resistance, the rigidity and the bearing capacity are greatly enhanced;
(2) the reinforced concrete frame beam is replaced by the H-shaped steel vertical beam, so that the construction is simple and convenient, the period is short, and the investment is saved;
(3) in the practice of slope management, an anchoring combination system combining a steel bar anchor rod, an H-shaped steel anchor rod and an H-shaped steel beam is adopted, the steel bar anchor rod, the H-shaped steel anchor rod and the H-shaped steel beam act on a slope sliding body simultaneously under the synergistic action of the steel bar anchor rod, the H-shaped steel anchor rod and the H-shaped steel beam, the stress is reasonable and coordinated, the supporting effect is very obvious, and therefore the slope management scheme is optimized.
Drawings
FIG. 1 is a sectional view of a combined support of a beam-anchor combined support reinforcing structure for slope landslide control according to the present invention;
FIG. 2 is a combined supporting elevation of the beam-anchor combined supporting reinforcement structure for slope landslide control of the present invention;
fig. 3 is a partial sectional view of an H-shaped steel anchor rod used in the present invention, i.e., a sectional view a-a of fig. 2;
fig. 4 is a partial cross-sectional view of a rebar anchor employed in the present invention.
Reference numerals: 1-H-shaped steel vertical beam; 2-a backing plate; 3-plain concrete; 4-down-hole bolt; 5-gusset plate; 6-H shaped steel anchor rod; 7-a support frame; 8-cement mortar; 9-steel bar anchor rod; 10-upper hole bolt.
Detailed Description
For further description of the present invention, the beam-anchor combined supporting and reinforcing structure for slope landslide control according to the present invention will be described in detail with reference to the accompanying drawings.
The combined supporting section view of the beam-anchor combined supporting and reinforcing structure for treating the side slope landslide is shown in figure 1 and is combined with figures 2, 3 and 4, the adopted reinforcing and supporting system comprises an H-shaped steel vertical beam 1, a backing plate 2, plain concrete 3, a lower hole bolt 4, a node plate 5, an H-shaped steel anchor rod 6, a support frame 7, cement mortar 8, a reinforcing steel anchor rod 9 and an upper hole bolt 10, the H-shaped steel anchor rod 6 and the H-shaped steel vertical beam 1 are connected together through the backing plate 2, the node plate 5, the lower hole bolt 4 and the upper hole bolt 10 to form a whole, so that the beam-anchor supporting system is formed and bears the load action of a side slope landslide body. The specific implementation procedures are as follows:
1) firstly, carrying out manual mechanical drilling in a side slope body, wherein the aperture size, the drilling depth and the distance between drilled holes are determined according to design;
2) laying an H-shaped steel vertical beam 1 on the surface of the side slope body, and arranging an upper hole and a lower hole at the belly of the H-shaped steel vertical beam 1 at intervals, wherein the distance between the two holes corresponds to the distance between two adjacent drill holes in the side slope body;
3) the outer edge of the wing end of the H-shaped steel anchor rod 6 is welded with a gusset plate 5, the gusset plate 5 and the H-shaped steel anchor rod 6 are perpendicular to form a T-shaped whole, small holes are respectively formed in the positions, located on two sides of the H-shaped steel anchor rod 6, on the gusset plate 5, nuts are welded on the surface of the edge of the small hole of the gusset plate 5, and the nuts are welded on the lower surface of the gusset plate 5; inserting an H-shaped steel anchor rod 6 into a drilled hole in a side slope body through a lower hole formed in the abdomen of the H-shaped steel vertical beam 1; the type selection of the H-shaped steel anchor rod 6 is determined according to the shear stress of the sliding body; in order to prevent large-area contact of the H-shaped steel anchor rod 6 and the rock mass in the drill hole, the H-shaped steel anchor rod 6 is supported by the support frame 7 and is inserted into the drill hole in the side slope body through the lower hole of the belly of the H-shaped steel vertical beam 1, so that after grouting is conducted on the drill hole, the rock wall in the drill hole and the H-shaped steel anchor rod can be in full contact with cement mortar 8, and the pulling resistance of the cement mortar is enhanced.
4) A layer of base plate 2 is additionally arranged at the lower hole position of the belly of the H-shaped steel vertical beam 1, two small holes are formed in the base plate 2, and the hole diameter is 20 mm; two small holes are also formed in a web plate of the H-shaped steel vertical beam 1, and the two small holes in the base plate 2, the two small holes in the web plate of the H-shaped steel vertical beam 1 and the two small holes in the gusset plate 5 have the same aperture size and correspond to each other in position; nuts are also welded on the outer surfaces around the two small holes on the backing plate 2; through down hole bolt 4 with H shaped steel stock 6, gusset plate 5, H shaped steel vertical beam 1, backing plate 2 connect together to through welding mode with down hole bolt 4 with the nut is fixed together, thereby connect into whole with H shaped steel vertical beam 1 that H shaped steel stock 6 and side slope surface laid.
5) Inserting a steel bar anchor rod 9 into a drilled hole in a side slope body through an upper hole formed in the belly of the H-shaped steel vertical beam 1, connecting the steel bar anchor rod 9 with the H-shaped steel vertical beam 1 through an upper hole bolt 10, and welding and fixing the upper hole bolt 10 with the H-shaped steel vertical beam 1, so that the steel bar anchor rod 9 and the H-shaped steel vertical beam 1 paved on the surface of the side slope are connected into a whole; the diameter of the steel bar anchor rod 9 is determined according to the design sliding force; in order to prevent the large-area contact of the steel bar anchor rod 9 and the rock mass in the drill hole, the steel bar anchor rod 9 is supported by the support frame 7 and is inserted into the drill hole in the side slope body through the upper hole in the abdomen of the H-shaped steel vertical beam 1, so that after grouting is performed on the drill hole, the rock wall in the drill hole and the steel bar anchor rod 9 can be in full contact with cement mortar, and the pulling resistance of the cement mortar is enhanced.
6) Cement mortar 8 is injected into the drilled hole in the side slope body, so that the H-shaped steel anchor rod 6 and the drilled hole, and the steel bar anchor rod 9 and the drilled hole are integrated.
Through the procedures, the H-shaped steel anchor rod 6, the steel bar anchor rod 9 and the H-shaped steel vertical beam 1 on the surface of the side slope form a whole to form a beam-anchor supporting system to bear the bending, shearing and pulling effects of the sliding body.
In order to prevent the corrosion of the H-shaped steel vertical beam 1, plain concrete 3 is sprayed on the surface of the H-shaped steel vertical beam 1.
Practical application results show that the beam-anchor combined reinforced support system fully utilizes the mechanical characteristics of strong tensile and bending resistance of the steel bar anchor rod, strong shearing resistance, rigidity and the like of the H-shaped steel anchor rod, is reasonable, uniform and coordinated in stress and has very obvious support effect; and the H-shaped steel vertical beam is used for replacing a reinforced concrete beam, and the method has the advantages of simple construction, short construction period, low investment cost and the like. The beam-anchor combined supporting and reinforcing structure for slope landslide control can be widely applied to different (rock) soil bodies, particularly rock slopes.
Claims (4)
1. The utility model provides a roof beam-anchor combination support reinforced structure for side slope landslide is administered which characterized in that: the reinforcing and supporting structure comprises an H-shaped steel vertical beam (1), an H-shaped steel anchor rod (6) and a steel bar anchor rod (9), wherein the H-shaped steel vertical beam (1) is laid on the surface of a slope body, an upper hole and a lower hole are formed in the belly of the H-shaped steel vertical beam (1) at intervals, and the distance between the two holes corresponds to the distance between two adjacent drill holes in the slope body; the outer edge of the wing end of the H-shaped steel anchor rod (6) is welded with a gusset plate (5), the gusset plate (5) and the H-shaped steel anchor rod (6) are perpendicular to form a T shape, small holes are respectively formed in the positions, located on two sides of the H-shaped steel anchor rod (6), on the gusset plate (5), the surfaces of the edges of the small holes of the gusset plate (5) are welded with nuts, and the nuts are welded on the lower surface of the gusset plate (5); the H-shaped steel anchor rod (6) is inserted into a drilled hole in the side slope body through a lower hole formed in the abdomen of the H-shaped steel vertical beam (1); a layer of backing plate (2) is additionally arranged at the lower hole position of the belly of the H-shaped steel vertical beam (1), two small holes are formed in the backing plate (2), two small holes are also formed in the web plate of the H-shaped steel vertical beam (1), the two small holes in the backing plate (2) and the two small holes in the web plate of the H-shaped steel vertical beam (1) are the same in pore size and correspond to the two small holes in the gusset plate (5) in position; the outer surfaces around the two small holes on the backing plate (2) are also welded with screw caps; the H-shaped steel anchor rod (6), the gusset plate (5), the H-shaped steel vertical beam (1) and the base plate (2) are connected together through the down-hole bolt (4), and the down-hole bolt (4) and a nut are fixed together through welding, so that the H-shaped steel anchor rod (6) and the H-shaped steel vertical beam (1) paved on the surface of the side slope are connected into a whole; the steel bar anchor rod (9) is inserted into a drilled hole in the side slope body through an upper hole formed in the belly of the H-shaped steel vertical beam (1), the steel bar anchor rod (9) is connected with the H-shaped steel vertical beam (1) through an upper hole bolt (10), the upper hole bolt (10) and the H-shaped steel vertical beam (1) are fixedly welded, and therefore the steel bar anchor rod (9) is connected with the H-shaped steel vertical beam (1) laid on the surface of the side slope into a whole.
2. The beam-anchor combined supporting and reinforcing structure for the treatment of side slope landslide as claimed in claim 1, wherein: plain concrete (3) is sprayed on the surface of the H-shaped steel vertical beam (1).
3. The beam-anchor combined supporting and reinforcing structure for the treatment of side slope landslide as claimed in claim 1 or 2, wherein: the H-shaped steel anchor rod (6) is supported by a support frame (7).
4. The beam-anchor combined supporting and reinforcing structure for the treatment of side slope landslide as claimed in claim 3, wherein: the steel bar anchor rod (9) is also supported by the support frame (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122035951.0U CN216041227U (en) | 2021-08-27 | 2021-08-27 | Beam-anchor combined supporting and reinforcing structure for slope landslide control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122035951.0U CN216041227U (en) | 2021-08-27 | 2021-08-27 | Beam-anchor combined supporting and reinforcing structure for slope landslide control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216041227U true CN216041227U (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122035951.0U Active CN216041227U (en) | 2021-08-27 | 2021-08-27 | Beam-anchor combined supporting and reinforcing structure for slope landslide control |
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| Country | Link |
|---|---|
| CN (1) | CN216041227U (en) |
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2021
- 2021-08-27 CN CN202122035951.0U patent/CN216041227U/en active Active
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Effective date of registration: 20220822 Address after: 243000 No. 666 Xitang Road, Ma'anshan Economic Development Zone, Anhui Province Patentee after: MAANSHAN Mine Research Institute Co.,Ltd. Patentee after: HUAWEI METAL MINERAL RESOURCE EFFICIENT RECYCLING UTILIZATION NATIONAL ENGINEERING RESEARCH CENTER Co.,Ltd. Address before: 243000 No. 666 Xitang Road, Ma'anshan Economic Development Zone, Anhui Province Patentee before: MAANSHAN Mine Research Institute Co.,Ltd. Patentee before: HUAWEI METAL MINERAL RESOURCE EFFICIENT RECYCLING UTILIZATION NATIONAL ENGINEERING RESEARCH CENTER Co.,Ltd. Patentee before: SINOSTEEL MAANSHAN INSTITUTE OF MINING RESEARCH, ENGINEERING INVESTIGATION AND DESIGN Co.,Ltd. |