Debris flow blocking emergency device based on waste containers

Abstract

The debris flow blocking emergency device based on the waste containers comprises a gravel base layer arranged at the bottom of a channel, a drainage pipe is arranged in the gravel base layer, container blocking walls are arranged on the top face of the gravel base layer, and the two ends of each container blocking wall are embedded into slope bodies on the two sides of the channel. The container blocking wall comprises at least one container blocking unit, each container blocking unit comprises a container without a top cover, transverse reinforcing ribs are arranged on the upstream face and the downstream face of each container without the top cover, and drainage holes are further formed in the bottoms of the upstream face and the downstream face of each container without the top cover. A seepage layer located on the lower portion and a ballasting layer located on the upper portion are arranged in the container without the top cover. The emergency protection system is suitable for water conservancy and hydropower engineering projects in remote mountainous areas, convenient to construct, stable in structure, low in cost and beneficial to rapid construction of the emergency protection system in a construction area.

Description

Technical Field

[0001] The utility model relates to the technical field of emergency disaster reduction in water conservancy and hydropower projects, and particularly relates to a debris flow blocking emergency device based on waste containers. Background Technique

[0002] Most water conservancy and hydropower engineering projects are located in remote mountainous areas, and the project sites are vulnerable to mountain torrents and debris flows. Although it has been considered to set up camps, processing plants, mixing stations, etc. in safe areas during the design and site selection, in recent years, extreme rainstorm weather has occurred frequently, and climate warming has also led to the occurrence of out-of-standard snow and ice melt water from time to time. These will all cause mountain torrents and debris flow hazards in natural channels with extremely small normal water volumes. Due to the remote location, the accumulation of hydrological data is almost blank, and there are many mountain channels. It is difficult to judge which channels should be built with protective facilities when entering the site at the initial stage of the project. At present, most of the protective engineering measures are gravity concrete retaining walls or gabion retaining walls, which require the preparation of various materials, equipment, and take a long time to build. If protective facilities are to be built comprehensively in the channels related to the construction site, the investment is large, the time consumption is long, and it is difficult to achieve the expected emergency treatment effect.

[0003] On the other hand, when building water conservancy and hydropower projects, many materials are transported by containers (see Figure 1 ), resulting in a large stock of waste containers at the construction site. Except for some being transformed into housing, most are stacked and idle, being eroded by the natural environment. The container is made of steel structure, and its steel frame is particularly strong, but it will be abandoned due to reasons such as remote location, high freight, and difficult disassembly, causing huge waste and environmental pollution. Summary of the Invention

[0004] In order to solve the above problems, the utility model provides a debris flow blocking emergency device based on waste containers, and the following specific technical solutions can be adopted:

[0005] The debris flow blocking emergency device based on waste containers of the utility model includes a sand and gravel base layer arranged at the bottom of the channel. A drain pipe is arranged in the sand and gravel base layer. On the top surface of the sand and gravel base layer, there is a container retaining wall with both ends embedded in the slope bodies on both sides of the channel. The container retaining wall includes at least one container retaining unit. The container retaining unit includes an uncovered container. Transverse reinforcing ribs are arranged on both the water-facing surface and the back surface of the uncovered container. Drainage holes are also arranged at the bottom of both the water-facing surface and the back surface of the uncovered container. An infiltration layer is arranged at the lower part and a weight layer is arranged at the upper part inside the uncovered container.

[0006] The drain pipe is a concrete pipe arranged along the water flow direction in the channel.

[0007] 1 - 3 drain pipes are arranged according to the estimated water volume in the channel.

[0008] The top surface of the gravel base course is horizontally arranged, and the embedding depth of the top of the container retaining wall in the slope body on each side of the channel is at least 1 m.

[0009] Embedding grooves are formed on the channel slope body, and the width of the embedding grooves is equivalent to the thickness of a single lidless container.

[0010] When the container retaining wall includes a plurality of container retaining units, adjacent lidless containers are connected by welding.

[0011] The lidless container includes a rectangular steel frame and a steel panel connected thereto. The transverse reinforcing ribs are grouped and arranged on the steel panels on the water-facing side and the backwater side. Each group of transverse reinforcing ribs has two members, which are respectively arranged at the one-third dividing lines of each steel panel.

[0012] The aperture of the drain holes is 5 cm, and they are uniformly distributed in the area below the bottom transverse reinforcing ribs.

[0013] The seepage layer is composed of pebble and gravel mixture, and the weight pressing layer is composed of one or more of block stone, slab stone, sand pebble and gravel.

[0014] The height of the seepage layer is 1 / 3 of the height of the lidless container.

[0015] The debris flow retaining and emergency device based on waste containers provided by the utility model is suitable for water conservancy and hydropower engineering projects in remote mountainous areas. It is convenient for construction, has a stable structure and low cost, and is beneficial to quickly constructing an emergency protection system for the construction area.

[0016] Compared with the prior art, it has the following advantages:

[0017] 1. The utility model uses structurally strong waste containers as carriers to realize waste utilization, can save building materials, and conforms to the basic national policy of resource regeneration and reuse;

[0018] 2. The utility model can use local materials, without relying too much on the supply of building materials and equipment from other places, and can start implementation in relevant channels at the initial stage of entering the project site;

[0019] 3. The utility model can directly block small debris flows, and can play a delaying role in large-scale debris flows, buy time for personnel transfer, and achieve disaster reduction effects;

[0020] 4. The utility model has a fast construction speed, is beneficial to quickly constructing an emergency protection system, thus effectively improving the emergency response speed at the project site, avoiding the risk of mountain flood and debris flow during the gap period, and ensuring the safety of personnel and property;

[0021] 5. The utility model can be reused. After later judgment, if there is no risk of debris flow in the current gully, the earth and stone materials can be dug out and transferred to other mountain gully channels to prevent debris flow. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic structural diagram of an existing container.

[0023] Figure 2 It is a schematic structural diagram of the utility model.

[0024] Figure 3 It is a schematic structural diagram of the container retaining unit in the utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] The embodiments of the utility model will be described in detail below with reference to the drawings. These embodiments are implemented on the premise of the technical solution of the utility model, and detailed implementation manners and specific construction processes are given. However, the protection scope of the utility model is not limited to the following embodiments.

[0026] As Figure 2 , 3 shown, the debris flow retaining and emergency device based on waste containers of the utility model includes a gravel base layer 1 arranged at the bottom of the gully channel. A drain pipe 2 is arranged in the gravel base layer. A container retaining wall 3 with both ends embedded in the slope bodies on both sides of the gully channel is arranged on the top surface of the gravel base layer 1. The container retaining wall 3 includes at least one container retaining unit. Each container retaining unit includes an open-top container 31. Transverse reinforcing ribs 32 are arranged on both the water-facing surface and the back surface of the open-top container 31. Drainage holes 33 are also arranged at the bottom of both the water-facing surface and the back surface of the open-top container 31. A seepage layer 34 is arranged at the lower part and a weight layer 35 is arranged at the upper part inside the open-top container 31.

[0027] The above-mentioned open-top container 31 is transformed from a conventional container (with length, width and height of 6m * 2.5m * 2.5m and a weight of about 2 tons). It still includes a rectangular steel frame and steel panels except the top cover. In order to improve the overall strength and better resist the impact of stones in debris flow prevention, transverse reinforcing ribs 32 composed of I-beams are welded on the steel panels of both its water-facing surface and back surface. The above-mentioned transverse reinforcing ribs 32 are generally selected as 20# ordinary I-beams and welded at the one-third dividing lines of each steel panel, that is, two transverse reinforcing ribs 32 are respectively welded on the steel panels of the water-facing surface and the back surface. Further, in the area below the transverse reinforcing ribs 32 at the bottom of both the water-facing surface and the back surface (i.e., the bottom 1 / 3 area of the steel panel), multiple rows of drainage holes 33 are evenly drilled. The aperture of each drainage hole 33 is preferably 5 cm.

[0028] Use an excavator to lay a highly permeable sand layer, pebbles or sand-gravel mixture at the bottom of the uncovered container 31 to form a seepage layer 34, and the laying thickness of the seepage layer 34 is the same as the height of the drainage hole 33. Clay should be avoided as much as possible in the raw materials of the seepage layer 34 to avoid affecting the seepage effect. The local earth-rock materials are covered on the seepage layer 34 as a weight layer 35. The earth-rock materials can be one or more of various materials such as block stones, slab stones, sand and pebbles, and gravels. Considering proximity and low cost as the main factors, take the on-site earth-rock materials, and the overall mixed density should be greater than 1.7t / m 3 . The height of the weight layer 35 can be determined according to the estimated amount of debris flow, either lower than the top surface of the uncovered container 31 or flush with the top surface of the uncovered container 31.

[0029] The above container retaining unit can be used individually or multiple units can be welded in sequence and used in a row. When the container retaining wall 3 composed of the container retaining units is installed in the gully, the water permeability of the whole device can be enhanced through the seepage layer 34 and the drainage hole 33. It can not only drain the water in the silt storage capacity, but also drain the accumulated water in the weight layer 35 in the container.

[0030] During construction, first excavate the side slopes on both sides of the natural gully to excavate an embedding groove with a width equivalent to the thickness of a single uncovered container 31. When the container retaining wall 3 is installed in the gully, the embedding depth of its top in the embedding grooves on both sides is at least 1 meter to ensure the connection firmness with the gully slope body. One to three concrete drain pipes 2 can be buried at the bottom of the gully according to the natural shape and the estimated water flow rate. The drain pipes 2 are arranged along the water flow direction in the gully, and are covered with sand and gravel materials and compacted and leveled to form a sand and gravel base layer 1. Then, use a crane to hoist and embed the container retaining units into the slope one by one, and adjacent uncovered containers 31 are connected by welding. The bottom of each uncovered container 31 is pressed on the concrete drain pipe 2 and the sand and gravel base layer 1, and the gaps between the container and the slope are filled with local sand and gravel and other materials to integrate the container and the slope to complete the construction.

[0031] It should be noted that in the description of the present invention, terms indicating orientation or positional relationship such as "front", "rear", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation of the present invention.

Claims

1. A debris flow blocking emergency device based on waste containers, characterized by: It includes a gravel base layer arranged at the bottom of the channel, a drainage pipe is arranged in the gravel base layer, a container retaining wall is arranged on the top surface of the gravel base layer, and both ends are embedded in the slopes on both sides of the channel, the container retaining wall includes at least one container retaining unit, and the container retaining unit includes a uncovered container, and transverse reinforcing ribs are arranged on the water-facing surface and the water-receiving surface of the uncovered container. Drainage holes are also arranged at the bottom of the water-facing surface and the water-receiving surface of the uncovered container, and a seepage layer located at the bottom and a ballast layer located at the top are arranged in the uncovered container.

2. The debris flow blocking emergency device based on waste containers according to claim 1 is characterized by: The drainage pipe is a concrete pipe arranged along the water flow direction in the channel.

3. The debris flow blocking emergency device based on waste containers according to claim 1 is characterized by: The number of drainage pipes is 1 to 3 according to the estimated water volume in the channel.

4. The debris flow blocking emergency device based on waste containers according to claim 1 is characterized by: The top surface of the gravel base layer is arranged horizontally, and the top of the container retaining wall is embedded in the slope on each side of the channel to a depth of at least 1 meter.

5. The debris flow blocking emergency device based on waste containers according to claim 1 is characterized by: An embedding groove is provided on the channel slope, and the width of the embedding groove is equivalent to the thickness of a single uncovered container.

6. The debris flow blocking emergency device based on waste containers according to claim 1 is characterized by: When the container retaining wall comprises a plurality of container retaining units, adjacent uncovered containers are connected by welding.

7. The debris flow blocking emergency device based on waste containers according to claim 1 is characterized by: The open-top container comprises a rectangular steel frame and a steel panel connected thereto. The transverse reinforcing ribs are arranged in groups on the steel panels on the water-facing surface and the water-receiving surface. Each group of transverse reinforcing ribs consists of two ribs, which are arranged at the three-dividing line of each steel panel.

8. The debris flow blocking emergency device based on waste containers according to claim 7 is characterized by: The diameter of the drainage holes is 5 cm and is evenly distributed in the area below the bottom transverse reinforcement ribs.

9. The debris flow blocking emergency device based on waste containers according to claim 1 is characterized by: The seepage layer is composed of a mixture of pebbles and sand and gravel, and the weight layer is composed of one or more of blocks, flakes, sand and pebbles, and gravel.

10. The debris flow blocking emergency device based on waste containers according to claim 1 is characterized by: The height of the seepage layer is 1 / 3 of the height of the container without a roof.

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