CN211646269U - A block stone dam for protection of mud-rock flow - Google Patents
A block stone dam for protection of mud-rock flow Download PDFInfo
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- CN211646269U CN211646269U CN202020098147.XU CN202020098147U CN211646269U CN 211646269 U CN211646269 U CN 211646269U CN 202020098147 U CN202020098147 U CN 202020098147U CN 211646269 U CN211646269 U CN 211646269U
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- stone blocking
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Abstract
The utility model relates to a stone blocking dam for debris flow protection, belonging to the technical field of debris flow protection; the technical key points comprise that: the length direction of the cushion layer crosses the movement direction of the debris flow; the cushion layer is provided with a plurality of stone blocking columns at intervals along the length direction of the cushion layer, and supporting plates are arranged between every two adjacent stone blocking columns in a crossed mode. The utility model discloses have the effect that reduces the possibility that the stone blocking post is hit absolutely, improve the stability of stone blocking post.
Description
Technical Field
The utility model belongs to the technical field of the technique of mud-rock flow protection and specifically relates to a block stone dam for mud-rock flow protection is related to.
Background
Mountain torrents and debris flows are common natural disasters in mountainous areas and have outburst, and about two thirds of the territory area of China is the mountainous area landform, so that the debris flows are quite widely distributed in China, particularly in western areas, and the disasters are serious. However, the forecasting means of the debris flow disaster is not mature at present, so effective safety control measures are adopted to ensure personal and property safety, and the harmfulness of the debris flow disaster is reduced to the maximum extent.
At present, the chinese utility model that the bulletin number is CN204728348U of authorizing discloses a protection system for debris flow, block the structure including the stake, the stake block the structure including blocking the stone column and strengthening the connection system, block the mutual spaced arrangement of stone column along the vertical direction of debris flow motion and be in the channel basis on, the upper end that blocks the stone column is passed through strengthening the connection system connect for a whole.
The above prior art solutions have the following drawbacks: when a large stone block falls between two adjacent stone blocking columns, the weight of the stone block is basically born by the stone blocking columns because no structure for supporting the stone block is arranged between the two stone blocking columns, so that the problem of breakage of the stone blocking columns is easily caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a stone blocking dam for debris flow protection to reduce the possibility that the stone blocking column is broken, improve the effect of the stability of stone blocking column.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a stone blocking dam for debris flow protection comprises a cushion layer, wherein the length direction of the cushion layer crosses the movement direction of debris flow; the cushion layer is provided with a plurality of stone blocking columns at intervals along the length direction of the cushion layer, and supporting plates are arranged between every two adjacent stone blocking columns in a crossed mode.
Through adopting above-mentioned technical scheme, set up the backup pad between two adjacent stone columns that block, and two liang of intercrossing settings of backup pad can strengthen the bearing capacity of backup pad, reduce the possibility that the stone column is hit by the stone and is broken.
The present invention may be further configured in a preferred embodiment as: one side of each stone blocking column is provided with a protective net, wherein the length direction of each protective net is consistent with the extending direction of the corresponding stone blocking column.
Through adopting above-mentioned technical scheme, one side of blocking the stone post sets up the protection network, and the protection network can block bold stone, or subduct the kinetic energy of stone to reduce the destruction that mud-rock flow probably caused.
The present invention may be further configured in a preferred embodiment as: one side of the stone blocking column, which is far away from the mountain foot, is provided with a cushion pad, and the cushion pad is detachably connected with the stone blocking column.
Through adopting above-mentioned technical scheme, block one side that stone post kept away from the mountain foot and establish the blotter, when the bold stone rolls from the mountain, the stone direct action blotter can reduce the impact force of stone post to blocking the stone, is favorable to improving the stability that blocks the stone post.
The present invention may be further configured in a preferred embodiment as: and one side of the stone blocking column close to the mountain foot is provided with an inclined strut, and the inclined strut and the stone blocking column form a preset included angle.
By adopting the technical scheme, the inclined supporting columns are arranged on one sides, close to the mountain feet, of the stone blocking columns, and the writing supporting columns and the stone blocking columns form certain included angles, so that the inclined supporting columns can obliquely support the stone blocking columns, and the impact resistance of the stone blocking columns is enhanced.
The present invention may be further configured in a preferred embodiment as: one side of bed course is equipped with the reinforced pile, in the reinforced pile goes into the mountain along vertical direction anchor, just the reinforced pile is close to one side vertical extension of bed course reaches in the bed course.
Through adopting above-mentioned technical scheme, the bottom of bed course sets up the reinforced pile, and it is internal that the mountain is gone into to the reinforced pile anchor, and in the reinforced pile extended to the bed course, is favorable to improving the stability of bed course to improve whole stone blocking dam's stability.
The present invention may be further configured in a preferred embodiment as: one side of the cushion layer close to the mountain feet is provided with a protective flat, and one side of the protective flat far away from the cushion layer extends to the mountain feet.
Through adopting above-mentioned technical scheme, the setting of protecting the flat can reduce the kinetic energy of stone and stone thick liquid, reduces the destructive effect of stone or stone thick liquid to civilian houses, forest and tree etc..
The present invention may be further configured in a preferred embodiment as: the energy dissipation piers are arranged at intervals along the movement direction of the debris flow, and the length direction of the energy dissipation piers is consistent with that of the cushion layer.
Through adopting above-mentioned technical scheme, the energy dissipation mound is set up along playing length direction to the apron, and the energy dissipation mound is vertical sets up downwards, and the surface of energy dissipation mound is higher than the surface of apron, can further reduce the kinetic energy of stone or stone thick liquid, reduces the destructiveness of mud-rock flow.
The present invention may be further configured in a preferred embodiment as: the bed course is equipped with two fender structures, two the fender structure of stake sets up perpendicularly on the bed course, just two the fender structure of stake is located block the relative both sides of stone column.
Through adopting above-mentioned technical scheme, establish stake fender structure in the relative both sides of stone blocking post, can strengthen the stability of stone blocking post, improve the shock resistance of stone blocking post simultaneously.
The present invention may be further configured in a preferred embodiment as: one side of the cushion layer far away from the mountain foot is inclined downwards along the direction opposite to the movement direction of the debris flow.
Through adopting above-mentioned technical scheme, the cross-sectional view from the side sees that the thick upper strata of lower floor of bed course is thin, forms the great bed course in chassis, has increased the area of contact of bed course with the massif, is favorable to improving the bearing capacity of bed course.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the support plates are arranged between two adjacent stone blocking columns, and the support plates are arranged in a pairwise crossed manner, so that the bearing capacity of the support plates can be enhanced, and the possibility that the stone blocking columns are broken by stones is reduced;
2. one side of the stone blocking column is provided with a protective net which can block large stones or reduce kinetic energy of the stones, so that damage possibly caused by debris flow is reduced;
3. the side of the stone blocking column, which is far away from the mountain foot, is provided with the buffer pad, when large stones roll off from the mountain, the stones directly act on the buffer pad, so that the impact force of the stones on the stone blocking column can be reduced, and the stability of the stone blocking column can be improved;
4. the inclined supporting columns are arranged on the side, close to the mountain feet, of the stone blocking column, and the writing supporting columns and the stone blocking column form a certain included angle, so that the inclined supporting columns can obliquely support the stone blocking column, and the impact resistance of the stone blocking column is enhanced.
Drawings
FIG. 1 is a schematic diagram of a debris flow protection system according to the prior art;
FIG. 2 is a front view of the rock-barrage of the present embodiment;
FIG. 3 is a top view of the rock-arresting dam of the present embodiment;
fig. 4 is a side sectional view of the stone dam of this embodiment.
In the figure, 1-1, the channel foundation; 1-2, blocking stone columns; 1-3, reinforcing the connection system;
1. a cushion layer; 2. blocking the stone column; 21. a support plate; 3. a cushion pad; 31. hemp ropes; 4. a protective net; 5. a diagonal bracing column; 6. a pile blocking structure; 7. reinforcing piles; 8. protecting the flat; 81. energy dissipation pier.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In this embodiment: referring to fig. 2, for the utility model discloses a block stone dam for debris flow protection, including bed course 1, bed course 1 extends towards the massif outside by the massif in along vertical direction. Wherein, the length direction of bed course 1 spanes the direction of motion of mud-rock flow, and bed course 1 one side far away from the massif is equipped with a plurality of rock blocking posts 2 along the length direction equipartition of bed course 1, and in this embodiment, bed course 1 and rock blocking posts 2 are formed by concrete placement, and bed course 1 one side far away from the step is along the opposite direction downward sloping with the direction of motion of mud-rock flow, forms the great bed course 1 in chassis, can improve the bearing capacity of bed course 1. When the debris flow takes place, the comparatively bold stone that inclines down can be blocked by stone blocking post 2 to prevent that a large amount of stones from assaulting, colliding the low reaches channel that the debris flow passed through, both can protect civil houses effectively, also can protect the forest effectively.
Referring to fig. 2 and 3, since the impact force is relatively large when the stone is flushed from the mountain, in order to reduce the impact force of the stone on the stone blocking column 2, in this embodiment, the stone blocking column 2 is provided with a cushion pad 3 made of rubber material, the cross section of the cushion pad 3 is U-shaped, and the cushion pad 3 covers the side of the stone blocking column 2 away from the toe. In addition, in order to facilitate replacement of the cushion 3, the cushion 3 is detachably connected to the stone pillar 2. Wherein, the cushion pad 3 can be tied on the stone blocking column 2 through a hemp rope 31, and the cushion pad 3 can also be locked on a lock catch through the lock catch. However, when using a latch, it is preferable to use a steel material for the latch because the plastic material is easily broken. In this embodiment, the cushion pad 3 is fixed by a twine 31. Wherein, the both sides that the blotter 3 is relative are equipped with rope made of hemp 31 respectively, and two rope made of hemp 31 of relative setting are respectively toward the one side motion that deviates from blotter 3 to tie up and tie up the one side that deviates from blotter 3 at blocking stone post 2.
Referring to fig. 2, in this embodiment, a protective screen 4 is disposed on one side of the stone blocking columns 2 close to the mountain feet, the length direction of the protective screen 4 is the same as the extending direction of the plurality of stone blocking columns 2, and a part of stones passing through the gap between two adjacent stone blocking columns 2 can be intercepted.
In order to enhance the impact resistance of the stone blocking columns 2, in the embodiment, a plurality of supporting plates 21 are arranged between two adjacent stone blocking columns 2 in a crossing manner, so that the impact resistance of the stone blocking columns 2 can be enhanced. In addition, the both sides that the bed course 1 is relative are equipped with pile retaining structure 6 respectively, and two pile retaining structures 6 set up on bed course 1 perpendicularly, and two pile retaining structures 6 are located block the relative both sides of stone column 2, and the setting of pile retaining structure 6 is favorable to improving the stability that blocks stone column 2.
Referring to fig. 4, in order to further ensure the stability of the stone blocking columns 2, in this embodiment, a bracing column 5 is disposed on one side of each stone blocking column 2 away from the cushion pad 3, the bracing column 5 is formed by concrete pouring, and a predetermined included angle is formed between the bracing column 5 and the stone blocking column 2, and the included angle ranges from 30 ° to 45 °.
In order to enhance the connection stability of the cushion layer 1 and the mountain, in this embodiment, a reinforcing pile 7 is arranged in the mountain, and the reinforcing pile 7 is anchored into the mountain in the vertical direction. Wherein, reinforced pile 7 includes seamless steel pipe, and in seamless steel pipe extended to bed course 1 by the one end of keeping away from the massif, and poured the concrete in the seamless steel pipe, be favorable to strengthening the connection stability of bed course 1.
In addition, referring to fig. 4, the side of the cushion layer 1 close to the feet of the mountain is provided with a protection pad 8, the protection pad 8 is arranged along the slope of the mountain, one side of the protection pad 8 is connected with the cushion layer 1, and the other side extends to the feet of the mountain in the direction far away from the cushion layer 1. Wherein, the stones or the stone slurry and the like penetrating through the protective net 4 move to the mountain feet along the protective supports 8, so that the kinetic energy of the stones and the stone slurry can be reduced, and the destructive effect of the stones or the stone slurry on the civil houses, the woods and the like can be reduced. In order to further reduce the kinetic energy of the stone blocks or the stone slurry, in this embodiment, the apron 8 is provided with a plurality of energy dissipation piers 81 at intervals along the movement direction of the debris flow, the energy dissipation piers 81 are vertically arranged, and the length direction of the energy dissipation piers 81 is consistent with the length direction of the cushion layer 1.
The implementation principle of the embodiment is as follows: the support plates 21 are arranged between the two adjacent stone blocking columns 2, and the support plates 21 are arranged in a pairwise crossed manner, so that the bearing capacity of the support plates 21 can be enhanced, and the possibility that the stone blocking columns 2 are broken by stones is reduced; one side of the stone blocking column 2 is provided with a protective net 4, and the protective net 4 can block large stones or reduce kinetic energy of the stones, so that damage possibly caused by debris flow is reduced; the side, far away from the mountain foot, of the stone blocking column 2 is provided with the buffer cushion 3, when large stones roll off from a mountain, the stones directly act on the buffer cushion 3, the impact force of the stones on the stone blocking column 2 can be reduced, and the stability of the stone blocking column 2 can be improved; one side of the stone blocking column 2 close to the mountain foot is provided with the inclined supporting column 5, and the inclined supporting column 5 and the stone blocking column 2 form a certain included angle, so that the inclined supporting column 5 can obliquely support the stone blocking column 2, and the impact resistance of the stone blocking column 2 is enhanced.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (9)
1. The utility model provides a block stone dam for mud-rock flow protection which characterized in that: the device comprises a cushion layer (1), wherein the length direction of the cushion layer (1) crosses the movement direction of the debris flow; the cushion layer (1) is provided with a plurality of stone blocking columns (2) at intervals along the length direction, and supporting plates (21) are arranged between every two adjacent stone blocking columns (2) in a crossed mode.
2. A rock-fill dam as claimed in claim 1, wherein: one side of each stone blocking column (2) is provided with a protective net (4), wherein the length direction of each protective net (4) is consistent with the extending direction of the corresponding stone blocking column (2).
3. A rock-fill dam as claimed in claim 1, wherein: one side of the stone blocking column (2) far away from the mountain foot is provided with a cushion pad (3), and the cushion pad (3) is detachably connected with the stone blocking column (2).
4. A rock-fill dam as claimed in claim 1, wherein: one side of the stone blocking column (2) close to the mountain foot is provided with an inclined strut (5), and the inclined strut (5) and the stone blocking column (2) form a preset included angle.
5. A rock-fill dam as claimed in claim 1, wherein: one side of bed course (1) is equipped with reinforced pile (7), it is internal that reinforced pile (7) anchor into the mountain along vertical direction, just reinforced pile (7) are close to one side perpendicular extension of bed course (1) extends to in the bed course (1).
6. A rock-fill dam as claimed in claim 1, wherein: one side of the cushion layer (1) close to the mountain feet is provided with a protective flat (8), and one side of the protective flat (8) far away from the cushion layer (1) extends to the mountain feet.
7. A rock-fill dam as claimed in claim 6, wherein: the energy dissipation pier is characterized in that a plurality of energy dissipation piers (81) are arranged at intervals in the direction of motion of the debris flow in the apron (8), and the length direction of the energy dissipation piers (81) is consistent with the length direction of the cushion layer (1).
8. A rock-fill dam as claimed in claim 1, wherein: the cushion layer (1) is provided with two pile blocking structures (6), the two pile blocking structures (6) are vertically arranged on the cushion layer (1), and the two pile blocking structures (6) are located on two opposite sides of the stone blocking columns (2).
9. A rock-fill dam as claimed in claim 1, wherein: one side of the cushion layer (1) far away from the mountain foot is inclined downwards along the direction opposite to the movement direction of the debris flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020098147.XU CN211646269U (en) | 2020-01-16 | 2020-01-16 | A block stone dam for protection of mud-rock flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020098147.XU CN211646269U (en) | 2020-01-16 | 2020-01-16 | A block stone dam for protection of mud-rock flow |
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| Publication Number | Publication Date |
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| CN211646269U true CN211646269U (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020098147.XU Active CN211646269U (en) | 2020-01-16 | 2020-01-16 | A block stone dam for protection of mud-rock flow |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115217128A (en) * | 2022-07-27 | 2022-10-21 | 中铁二院贵阳勘察设计研究院有限责任公司 | Pile-plate-tire combined stone blocking structure and construction method thereof |
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2020
- 2020-01-16 CN CN202020098147.XU patent/CN211646269U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115217128A (en) * | 2022-07-27 | 2022-10-21 | 中铁二院贵阳勘察设计研究院有限责任公司 | Pile-plate-tire combined stone blocking structure and construction method thereof |
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