CN219992261U - Mountain area gully blocking mechanism - Google Patents
Mountain area gully blocking mechanism Download PDFInfo
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- CN219992261U CN219992261U CN202321064188.7U CN202321064188U CN219992261U CN 219992261 U CN219992261 U CN 219992261U CN 202321064188 U CN202321064188 U CN 202321064188U CN 219992261 U CN219992261 U CN 219992261U
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Abstract
The utility model discloses a mountain ditch blocking mechanism, which comprises: at least two grating components which are sequentially arranged at intervals along the water flow direction in the gully, wherein each grating component comprises a grating body and a blocking structure; the grid body is of a grid-shaped rigid structure, the grid body is fixedly arranged in the flushing ditch along the direction perpendicular to the flow direction of water flow in the flushing ditch, the height of the bottom end of the grid body is not higher than the height of the bottom of the flushing ditch at the position of the bottom of the grid body, the length of the grid body is not smaller than the width of the flushing ditch at the position of the grid body, and the top end of the grid body is higher than the water level of water flow in the flushing ditch at the position of the grid body; the blocking mechanism is arranged around the lower part of the grid body and is fixedly connected with the grid body, and the blocking mechanism is configured to intercept at least part of solid matters in water flow flowing through the gully of the grid body.
Description
Technical Field
The utility model relates to the technical field of water and soil conservation and protection, in particular to a mountain area gully blocking mechanism.
Background
In recent years, along with the development of construction of expressways and expressways in China and the acceleration of urban speed, more and more engineering construction projects are located in mountain areas, and disasters such as debris flow and torrential flood are visible everywhere along the expressways or the railways in the mountain areas under unfavorable climatic conditions such as continuous rainfall or heavy rain, and are sudden and high in frequency, so that considerable difficulty is brought to the protection of ecological environment and land resources, and serious threats are brought to structures such as channels and culverts of the expressways or the railways.
At present, in order to avoid that solid matters such as mud sand, stones, trees and the like block a channel, a roadbed is destroyed, a blocking project is often selected to be arranged at the upstream of the channel in engineering, so that the solid matters in mud-rock flow or torrential flood are controlled, the flow, the downward discharge and the energy of the mud-rock flow or the torrential flood are weakened, and the harm of disasters to scouring, impacting, silting and the like of downstream building engineering is reduced. The existing blocking engineering mainly uses a gravity type concrete dam, but the investigation shows that the pure gravity type blocking structure has the following defects in application: (1) Many gullies, such as most V-shaped gullies, are relatively complex in topography, and are inconvenient for the transportation and construction of large-volume concrete and templates; (2) The dam body is difficult to repair after being partially damaged, the dam body needs to be removed and rebuilt, the construction period is long, and the post-disaster rebuilding is not facilitated.
Disclosure of Invention
The mountain gully blocking mechanism solves the problems that in the prior art, the construction environment is high, the construction is difficult to implement when facing complex terrains, and the construction is difficult to repair after damage, and achieves the technical effects of being capable of effectively blocking solid matters in gully water flow, simple and light in structure, and convenient to implement and maintain at gullies with complex terrains.
The embodiment of the utility model provides a mountain ditch blocking mechanism, which comprises:
at least two grating components which are sequentially arranged at intervals along the water flow direction in the gully, wherein each grating component comprises a grating body and a blocking structure;
the grid body is of a grid-shaped rigid structure, the grid body is fixedly arranged in the flushing ditch along the direction perpendicular to the flow direction of water flow in the flushing ditch, the height of the bottom end of the grid body is not higher than the height of the bottom of the flushing ditch at the position of the bottom of the grid body, the length of the grid body is not smaller than the width of the flushing ditch at the position of the grid body, and the top end of the grid body is higher than the water level of water flow in the flushing ditch at the position of the grid body;
the blocking structure is arranged around the lower part of the grid body and fixedly connected with the grid body, and is configured to intercept solid matters in water flow in a gully of the grid body.
In one possible implementation, the distance between the grid body located upstream of the water flow in the gully and the grid body adjacent thereto and located downstream of the water flow in the gully is not less than 30m.
In the above possible implementation manner, further, the distance between the grid body and the ditch head, which is located at the most upstream of the water flow in the ditch, is 60-100 m.
In one possible implementation, the blocking structure includes:
the blocking wall body is arranged around the lower part of the grid body and fixedly connected with the grid body, the blocking wall body is fixedly arranged in the gully along the length direction of the grid body, the height of the bottom surface of the blocking wall body is not higher than the height of the gully bottom at the position of the blocking wall body, and the length of the blocking wall body is not less than the width of the gully at the position of the blocking wall body;
the water draining holes are arranged on the blocking wall body and penetrate through the blocking wall body along the width direction, and the water draining holes are arranged at intervals along the length direction of the blocking wall body; the position of each water discharge hole corresponds to the position of one grid of the grid body.
In the possible implementation manner, further, the height of the blocking wall body is 1 m-3 m, and the distance between the water draining hole and the bottom of the gully where the water draining hole is located is not less than 30cm.
In the above possible implementation manner, further, the lower portion of the grille body passes through the blocking wall from the top surface of the blocking wall and is fixedly connected with the blocking wall; the bottom of the grid body is lower than the bottom of the blocking wall.
In the possible implementation manner, further, the cross section of the blocking wall body perpendicular to the length direction is trapezoidal.
One or more technical solutions provided in the embodiments of the present utility model at least have the following technical effects or advantages:
according to the embodiment of the utility model, the plurality of grid assemblies are arranged at intervals from the upstream to the downstream of the water flow in the gully, the sand, the tree and other solid matters wrapped in the water flow are intercepted in multiple stages, the water and solid separation is carried out on the solid matters such as the sand, the stone and the tree in motion in time, the water flow flows to the downstream through the grid assemblies, and the solid matters in the water flow are intercepted by the grid body and the blocking structure together and are left at the upstream, so that the solid matters can be conveniently recovered and cleaned in a concentrated way by related personnel. Through the reasonable layout of grid subassembly, the grid body can allow the solid matter such as rivers and small-fraction particle diameter garrulous tuber stone to pass through, and the grid body cooperates with blocking structure, and the whole can block great stone to carry out the segmentation interception with the solid matter in mud-rock flow or the torrent. The blocking mechanism provided by the embodiment of the utility model is particularly suitable for V-shaped gullies, because the blocking mechanism can effectively reduce solids in water flow in the gullies, reduce the runoff intensity in the gullies, play the roles of blocking coarse and fine particles and reducing the damage performance of debris flow, simultaneously have simple and light structure, are easy to construct, do not need to use large-volume concrete and templates, are convenient to clean and maintain, have few required manpower and material resources, and are very suitable for complex topography of the V-shaped gullies.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments of the present utility model or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an elevation view of a mountain gully blocking mechanism according to an embodiment of the present utility model when applied in a V-shaped gully;
fig. 2 is a cross-sectional layout view of a mountain gully blocking mechanism according to an embodiment of the present utility model when the mechanism is applied to a V-shaped gully.
Reference numerals: 1-hillside; 2-the bottom of the gully; 3-anchoring I-steel; 4-grating I-steel; 5-blocking the wall body; 6-a water discharge hole; 10-a more upstream grid assembly; 20-a downstream grill assembly.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the embodiments of the present utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the embodiments of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.
The embodiment of the utility model provides a mountain area gully blocking mechanism, which is particularly applied to a certain V-shaped gully as shown in figures 1-2; the mountain area gully blocking mechanism that this embodiment provided includes:
at least two grating components which are sequentially arranged at intervals along the water flow direction in the gully, wherein each grating component comprises a grating body and a blocking structure; in this embodiment, two grating elements are adopted, as shown in fig. 2, wherein the inside of the circle with the number of 10 is the more upstream grating element, and the inside of the circle with the number of 20 is the more downstream grating element;
the grid body is of a grid-shaped rigid structure, the grid body is fixedly arranged in the flushing ditch along the direction perpendicular to the flow direction of water flow in the flushing ditch, the height of the bottom end of the grid body is not higher than the height of the bottom of the flushing ditch at the position of the bottom of the grid body, the length of the grid body is not smaller than the width of the flushing ditch at the position of the grid body, and the top end of the grid body is higher than the water level of water flow in the flushing ditch at the position of the grid body; in the embodiment, the grid assembly is formed by mutually and fixedly connecting a plurality of vertically arranged anchor I-beams 3 and a plurality of horizontally arranged grid I-beams 4, the lower ends of the anchor I-beams 3 are fixed in the gully bottom 2, and the left and right ends of the grid I-beams 4 are respectively fixed in hillsides 1 on two sides of the gully;
the blocking structure is arranged around the lower part of the grid body and is fixedly connected with the grid body, and the blocking structure is configured to intercept at least part of solid matters in water flow flowing through the gully of the grid body.
As shown in fig. 1-2, the present embodiment specifically applies the provided mountain gully blocking mechanism to a V-shaped gully. The V-shaped gully is difficult to implement due to the complex topography of the prior large-sized gravity type concrete dykes and dams; the sand area gully blocking mechanism provided by the embodiment can separate solid matters in gully water flow in a grading manner through the grid assemblies arranged along the water flow direction, the grid body occupies the whole width of the gully at the position where the grid body is located, and cooperates with the blocking structure arranged around the lower part of the grid body to block most solid matters such as sand, trees and the like with larger volume at the upstream of the water flow, and then operators can regularly remove the blocked solid matters.
Compared with the prior art, the embodiment adopts a multi-stage blocking mode, so that the blocking effect on solid substances is more sufficient, and omission is avoided as much as possible; on the other hand, the working pressure of each grid component serving as a blocking structure can be reduced, and the single grid component is prevented from being impacted by excessive solid substances. In addition, the grating body that this embodiment adopted with set up in the structure of blocking of grating body lower part, it is obviously lighter to compare with current gravity type concrete dykes and dams commonly used to easily make and maintain, it is lower to construction environment requirement, application scope is wider when blocking the effect better, very be fit for using in the region of topography complicacy such as V type gully.
In a preferred implementation of this embodiment, the distance between the grill body located further upstream in the water flow in the gully and the grill body located further downstream in the gully is not less than 30m.
Specifically, the pitch between the grid bodies is controlled, that is, the pitch between the grid assemblies is controlled, and the main purpose of the pitch control method is that: the method can avoid the situation that the adjacent grid components are too close to each other to fully exert the grading blocking effect of the grid components.
In the above preferred embodiment, it is further preferred that the distance between the grill body located most upstream of the water flow in the gully and the gully head is 60 to 100m.
In a preferred implementation of this embodiment, the blocking structure comprises:
the blocking wall body 5 is arranged around the lower part of the grid body and fixedly connected with the grid body, the blocking wall body 5 is fixedly arranged in the gully along the length direction of the grid body, the height of the bottom surface of the blocking wall body 5 is not higher than the height of the gully bottom at the position of the blocking wall body, and the length of the blocking wall body 5 is not smaller than the width of the gully at the position of the blocking wall body;
a plurality of water discharge holes 6 which are arranged on the blocking wall body 5 and penetrate through the blocking wall body 5 along the width direction, wherein the water discharge holes 6 are arranged at intervals along the length direction of the blocking wall body 5; the position of each water drain hole 6 corresponds to the position of one grid of the grid body.
Specifically, the blocking wall body 5 is arranged around the grid body, so that on one hand, the effect of blocking solid matters by the whole grid assembly is further improved, and on the other hand, the effect of limiting and stabilizing the grid body can be achieved; the blocking wall body 5 occupies the whole width of the flushing ditch at the position of the blocking wall body, is fixed at the bottom of the flushing ditch, can fully concentrate and isolate solid matters at the deeper position in water flow, and the water discharge holes 6 on the blocking wall body 5 enable the blocking wall body 5 to allow the water flow to pass through while isolating the solid matters, so that the excessive impact force of the water flow wrapped with the solid matters on the blocking wall body 5 is avoided.
In the above preferred embodiment, it is further preferred that the height of the blocking wall 5 is 1 m-3 m, and the distance between the drain hole 6 and the bottom of the gully at the position of the drain hole is not less than 30cm.
Specifically, the height of the blocking wall body 5 is selected according to the area of the upstream area of the gully, and the height of 1 m-3 m can obtain a relatively balanced use effect through tests; the height of the water discharge hole 6 is set to be more than 30cm, so that the blocking wall 5 can be prevented from isolating solid substances and the effect of enabling water to smoothly pass through is limited.
In the above preferred embodiment, it is further preferred that the lower portion of the grill body passes through the blocking wall 5 from the top surface of the blocking wall 5 and is fixedly connected with the blocking wall 5; the bottom of the grille body is lower than the bottom of the blocking wall 5.
Specifically, the grid body directly passes and blocks wall body 5 inside and block wall body 5 fixed connection for grid assembly's wholeness is better, and, block wall body 5 can regard as the ground of grid body, for the grid body provides firm effect, the bottom of grid body is lower than the bottom surface that blocks wall body 5, makes the grid body also can provide the positioning action to blocking wall body 5 simultaneously, and both supplement each other, make the grid assembly face the stability of large-traffic rivers and solid matter when striking better.
Further preferably, the cross section of the blocking wall 5 perpendicular to the length direction thereof is trapezoidal in shape.
Specifically, the trapezoid structure has good stability, and when the whole grille assembly faces the impact of high-flow water flow and solid matters, the blocking wall body 5 with the trapezoid longitudinal section can provide good stability, support and positioning for the whole grille assembly.
The specific construction method of this embodiment is provided as follows:
the embodiment provides a mountain ditch blocking mechanism which is particularly applied to a certain V-shaped ditch, as shown in figures 1-2.
Comprising a hillside 1 on both sides of a gully, a gully bottom 2, an upstream grating assembly 10 and a downstream grating assembly 20. The hillside 1 and the ditch bottom 2 at two sides of the ditch are natural slopes or slopes after artificial renovation, and the upstream grating component 10 and the downstream grating component 20 are arranged at the upstream of the V-shaped ditch, wherein the distance between the upstream grating component 10 and the V-shaped ditch head is 60 m-100 m, and the distance between the two grating components is not less than 30m. The two grid components are composed of an anchoring I-steel 3, a grid I-steel 4, a blocking wall 5 and a water drain hole 6 arranged in the blocking wall 5, and the anchoring I-steel 3 and the grid I-steel 4 are combined to form a grid body. The anchoring I-steel 3 and the grid I-steel 4 adopt 20a I-steel, the anchoring I-steel 3 is vertically arranged in the middle of the blocking wall body 5, the distance between two adjacent anchoring I-steels is 1.0 m-2.0 m, the anchoring I-steel 3 is required to be drilled with 250mm of phi by a drilling machine in the gully bottom 2 and implanted by grouting, the anchoring depth of the anchoring I-steel 3 is not less than 1.0m, and the anchoring I-steel 3 is exposed out of the highly preferable 1.5 m-3.0 m; the grid I-steel 4 is horizontally arranged upwards from the gully bottom 2, the distance between two adjacent grid I-steels 4 is 1.0 m-2.0 m, the grid I-steel 4 and the anchoring I-steel 3 are welded on both sides to form a grid body, and the depth of the left end and the right end of the grid I-steel 4 embedded into hillsides 1 on both sides is at least 1.0m; the blocking wall body 5 is of a concrete structure or a slurry masonry structure, when the slurry masonry sheet stone is adopted for masonry, the compressive strength of stones is not less than 30MPa, the height H of the blocking wall body 5 is selected according to the area of an upstream area of a V-shaped gully, the height H of the blocking wall body 5 is 1.0-3.0 m, the width of the top surface of the blocking wall body 5 is 0.5m, the bottom surface of the blocking wall body 5 is buried into the gully bottom 2 for at least 30cm deep, the water discharge holes 6 are arranged on the blocking wall body 5, and the transverse distance between the water discharge holes 6 at the lowest stage and adjacent water discharge holes 6 is 2m, wherein the distance between the water discharge holes 6 at the lowest stage and the gully bottom 2 is at least 30 cm; as for the concrete form of the drain hole 6, it is sufficient to construct a 15cm×15cm square or to use a PVC pipe with a diameter of 10 cm.
The concrete construction flow is as follows:
(1) Cleaning sundries and vegetation at preset positions of the upstream grid assembly 10 and the downstream grid assembly 20 arranged in the V-shaped gully;
(2) Digging a phi 250mm drill hole in the ditch bottom 2 by adopting a drilling machine according to the designed interval and depth;
(3) After drilling and forming, implanting an anchor I-steel 3 and grouting and fixing;
(4) Double-sided welding is carried out on the grid I-steel 4 and the anchoring I-steel 3 according to the designed interval to form a grid body;
(5) Building templates of the blocking wall body 5 around the grid body according to design requirements, reserving drain holes 6, and building the blocking wall body 5;
(6) And removing the template after the strength of the stone blocking wall 5 meets the design requirement.
In this specification, each embodiment is described in a progressive manner, and the same or similar parts of each embodiment are referred to each other, and each embodiment is mainly described as a difference from other embodiments.
The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the present utility model; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (7)
1. A mountain area gully blocking mechanism, comprising:
at least two grating components which are sequentially arranged at intervals along the water flow direction in the gully, wherein each grating component comprises a grating body and a blocking structure;
the grid body is of a grid-shaped rigid structure, the grid body is fixedly arranged in the flushing ditch along the direction perpendicular to the flow direction of water flow in the flushing ditch, the height of the bottom end of the grid body is not higher than the height of the bottom of the flushing ditch at the position of the bottom of the grid body, the length of the grid body is not smaller than the width of the flushing ditch at the position of the grid body, and the top end of the grid body is higher than the water level of water flow in the flushing ditch at the position of the grid body;
the blocking structure is arranged around the lower part of the grid body and is fixedly connected with the grid body, and the blocking structure is configured to intercept at least part of solid matters in water flow flowing through the gully of the grid body.
2. A mountain gully blocking mechanism as claimed in claim 1, wherein the distance between the grating body located upstream of the flow in the gully and the grating body adjacent thereto and located downstream of the flow in the gully is not less than 30m.
3. A mountain gully blocking mechanism as claimed in claim 2, wherein the distance between the grill body and the gully head upstream of the water flow in the gully is between 60 and 100m.
4. A mountain gully blocking mechanism as claimed in claim 1, wherein the blocking mechanism includes:
the blocking wall body is arranged around the lower part of the grid body and fixedly connected with the grid body, the blocking wall body is fixedly arranged in the gully along the length direction of the grid body, the height of the bottom surface of the blocking wall body is not higher than the height of the gully bottom at the position of the blocking wall body, and the length of the blocking wall body is not less than the width of the gully at the position of the blocking wall body;
the water draining holes are arranged on the blocking wall body and penetrate through the blocking wall body along the width direction, and the water draining holes are arranged at intervals along the length direction of the blocking wall body; the position of each water discharge hole corresponds to the position of one grid of the grid body.
5. The mountain gully blocking mechanism of claim 4, wherein the blocking wall has a height of 1 m-3 m, and the distance between the drain hole and the gully bottom at the position of the drain hole is not less than 30cm.
6. The mountain gully blocking mechanism of claim 4, wherein the lower portion of the grating body passes through the blocking wall from the top surface of the blocking wall and is fixedly connected with the blocking wall; the bottom of the grid body is lower than the bottom of the blocking wall.
7. The mountain gully blocking mechanism of claim 6, wherein the cross section of the blocking wall perpendicular to the length direction is trapezoidal in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321064188.7U CN219992261U (en) | 2023-05-06 | 2023-05-06 | Mountain area gully blocking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321064188.7U CN219992261U (en) | 2023-05-06 | 2023-05-06 | Mountain area gully blocking mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN219992261U true CN219992261U (en) | 2023-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321064188.7U Active CN219992261U (en) | 2023-05-06 | 2023-05-06 | Mountain area gully blocking mechanism |
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| CN (1) | CN219992261U (en) |
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2023
- 2023-05-06 CN CN202321064188.7U patent/CN219992261U/en active Active
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