Waterproof structure for torrent groove

Abstract

The utility model relates to a waterproof structure for a torrent groove. The waterproof structure comprises a torrent groove body formed by pouring concrete, the torrent groove body is connected with a drainage ditch, and the torrent groove body is covered with a geotechnical cloth buffer layer; a plurality of waterproof plates which are spliced with one another are laid on the geotextile buffer layer; weld joints are arranged at the two ends of each waterproof plate; the adjacent weld joints are mutually fixed; and an impermeable film is laid on the surface of the waterproof plate. The design aims at collapsible yellow ferry, and waterproof plates and impermeable membranes cover a torrent chute body base filled with 3: 7 lime soil and a geomembrane. The ECB waterproof board has the advantages of ozone resistance, good anti-aging performance, high penetration resistance, the same service life as a building base body and the like, and the waterproof capacity is further improved by matching with the geotechnical cloth; meanwhile, the HDPE impermeable film has the advantages of being high in rigidity and toughness, not prone to being damaged, long in service life and extremely high in impermeable effect, and the HDPE impermeable film serves as the surface layer.

Description

Technical Field

[0001] The utility model relates to a waterproof structure, in particular to a waterproof structure for a rapids trough, and belongs to the technical field of drainage facilities such as roads and railways. Background Art

[0002] Rapids can quickly drain water from cutting slopes and slow water flow, preventing slope collapse, landslides, and debris flows. In railway and highway bridge construction, especially in mountainous areas, canyons, or on steep slopes, the design of bridge and culvert ancillary works often fails due to limited terrain conditions and a lack of geological data. Inadequate attention is paid to geological and lithological investigations and exploration depths in deep-cut sections. This can lead to excessively steep slopes or inadequate reinforcement of protective structures, which can cause landslides in drainage facilities during heavy rainfall.

[0003] Damage to drainage facilities like rapids chutes is primarily due to cracked or loose pavement. In some sections, the foundations of drainage facilities are not compacted enough, making the loose soil easily eroded by rainwater, resulting in loose or broken drainage structures. Strengthening structural waterproofing is also a simple and effective measure.

[0004] For example, the Wubei to Xiaohuangshan section of the Urumqi-Zhunji Railway is located within Urumqi City and Changji Prefecture in the Xinjiang Uygur Autonomous Region. The line passes through the alluvial and diluvial plain in front of Bogda Peak, a region characterized by relatively flat terrain, with elevations in the south and low elevations in the north. The strata along the line are Quaternary, primarily consisting of diluvial, alluvial, and aeolian deposits. These are widely distributed in the diluvial and alluvial plains in front of Bogda Mountain. The lithology is primarily silt and sandy loess, which is exposed at the surface with a thickness ranging from 3 to 10 meters. This loess is grayish-yellow, porous, and has well-developed vertical joints, with distinct characteristics. Exploration sampling and testing revealed that this loess is collapsible, with collapsibility occurring throughout its thickness. The collapsibility is primarily Grade II moderate non-deadweight collapsibility, with some areas experiencing Grade I minor collapsibility. Collapsible loess is a special type of soil characterized by relatively uniform texture, loose structure, and well-developed porosity. When not wetted, it generally exhibits high strength and low compressibility. When exposed to water under a certain pressure, the soil structure will quickly deteriorate, resulting in significant additional subsidence and a rapid decrease in strength. This makes it less stable for supporting drainage facilities such as rapids. Once the soil structure is damaged, the rapids can easily become suspended. Therefore, a design with strong waterproofing capabilities is needed to prevent the soil structure from collapsing and sliding due to water. Utility Model Content

[0005] The purpose of the present invention is to solve the above-mentioned shortcomings and provide a waterproof structure for a rapids trough, which is safe and reliable in engineering, has better durability and is suitable for special geological environments.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0007] A waterproof structure for a rapid flow trough, comprising a rapid flow trough body made of cast concrete; the rapid flow trough body is connected to a drainage ditch and is covered with a geotextile buffer layer; a plurality of waterproof boards spliced ​​together are laid on the geotextile buffer layer; weld joints are provided at both ends of each waterproof board; adjacent weld joints are fixed to each other; and an anti-seepage membrane is laid on the surface of the waterproof board.

[0008] Furthermore, the waterproof board is an ECB waterproof board; the weld joint has a vertical connecting section and a horizontal connecting section; the weld joint is T-shaped; and the vertical connecting section is fixedly arranged on both sides of the drain plate.

[0009] Furthermore, the horizontal connecting sections of two adjacent weld joints are staggered up and down; and the horizontal connecting sections of two adjacent weld joints are fixed by welding.

[0010] Furthermore, a groove body is provided on the horizontal connecting section; a waterproof rubber strip is provided on the adjacent horizontal connecting section; and the waterproof rubber strip is inserted into the groove body.

[0011] Furthermore, waterproof glue is filled between the two sides of the waterproof board and the rapid flow trough body; the anti-seepage membrane is a HDPE membrane; and expansion joints and settlement joints are provided in the rapid flow trough body.

[0012] Furthermore, the expansion joints and settlement joints are filled with asphalt hemp tendons; and back-sticking waterstops are provided at the seam openings of the expansion joints and settlement joints.

[0013] Furthermore, the edges of several geotextiles are connected by welding; and a waterproof coating layer is provided on the surface of the geotextile.

[0014] Furthermore, a water seepage detection layer is provided between the anti-seepage membrane and the waterproof board.

[0015] This utility model has the following beneficial effects: This design targets the collapsible Huangdu, and covers the base of the rapid trough with a 3:7 lime-soil replacement fill and geomembrane with waterproof board and anti-seepage membrane. The ECB waterproof board, which has the advantages of ozone resistance, good anti-aging properties, strong penetration resistance, and a lifespan comparable to that of the building base, is utilized in conjunction with geotextile to further enhance the waterproofing capability. At the same time, the HDPE anti-seepage membrane, which has the advantages of high rigidity and toughness, resistance to damage, long life, and extremely strong anti-seepage effect, is used as the surface layer. The combination of ECB waterproof board, geotextile, and HDPE anti-seepage membrane will greatly enhance the anti-seepage capability of the foundation, providing better options and countermeasures for anti-seepage in collapsible soil areas.

[0016] At the same time, weld joints are used to connect each waterproof board. While welding, the weld joints are also equipped with waterproof strips to prevent penetration or leakage between the connection gaps of adjacent waterproof boards. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural diagram of the present utility model.

[0018] Figure 2 This is a schematic diagram of the structure of the rapids trough body.

[0019] Figure 3 Schematic diagram of the structure of the waterproof board and the weld joint.

[0020] Figure 4 This is a schematic diagram of the cross-sectional structure of the rapids trough body.

[0021] In the figure: 1 is the rapids trough body, 2 is the drainage ditch, 3 is the geotextile buffer layer, 4 is the waterproof board, 5 is the weld joint, 5-1 is the vertical connecting section, 5-2 is the horizontal connecting section, 5-21 is the trough body, 5-22 is the waterproof rubber strip, and 6 is the anti-seepage membrane. DETAILED DESCRIPTION

[0022] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] The terms used herein, including technical and scientific terms, have the same meaning as those commonly understood by those skilled in the art, unless otherwise defined. It should be understood that the terms defined in commonly used dictionaries have the same meaning as those in the prior art.

[0024] See also Figures 1-4

[0025] A waterproof structure for a rapid flow trough, comprising a rapid flow trough body 1 made of cast concrete; the rapid flow trough body 1 is connected to a drainage ditch 2, and the rapid flow trough body 1 is covered with a geotextile buffer layer 3; a plurality of waterproof boards 4 spliced ​​together are laid on the geotextile buffer layer 3; each waterproof board 4 is provided with a weld joint 5 at both ends; adjacent weld joints 5 are fixed to each other; and an anti-seepage membrane 6 is laid on the surface of the waterproof board 4.

[0026] Furthermore, the waterproof board 4 is an ECB waterproof board; the weld joint 5 has a vertical connecting section 5-1 and a horizontal connecting section 5-2; the weld joint 5 is T-shaped; the vertical connecting section 5-1 is fixedly arranged on both sides of the waterproof board 4.

[0027] Furthermore, the horizontal connecting sections 5-2 of two adjacent weld joints 5 are staggered vertically and secured together by welding. The vertical connecting section 5-1 at the other end of the weld joint 5 directly connects to the waterproofing board 4. In this manner, two adjacent waterproofing boards are connected.

[0028] Specifically, two adjacent horizontal connecting sections 5 - 2 are aligned vertically and welded in a vertically staggered stacking manner.

[0029] Furthermore, a groove body 5-21 is provided on the horizontal connecting section 5-2; a waterproof rubber strip 5-22 is provided on the adjacent horizontal connecting section 5-2; and the waterproof rubber strip 5-22 is inserted into the groove body 5-21.

[0030] Specifically, before two adjacent horizontal connecting sections 5-2 are joined and welded, a waterproof rubber strip 5-22 needs to be inserted into the groove 5-21 to form a seal in the connection gap between the two adjacent weld joints 5, thereby further improving the waterproof effect.

[0031] Furthermore, water-swellable rubber strips are filled between the two sides of the waterproof board 4 and the rapid flow trough body; the anti-seepage membrane is a HDPE membrane; and expansion joints and settlement joints are provided in the rapid flow trough body.

[0032] Furthermore, the expansion joints and settlement joints are filled with asphalt tendons; and back-sticking waterstops are provided at the seams of the expansion joints and settlement joints.

[0033] Furthermore, the edges of several of the geotextiles are connected by welding; and a waterproof coating layer is provided on the surface of the geotextile.

[0034] Furthermore, a water seepage detection layer is provided between the anti-seepage membrane and the waterproof board.

[0035] In order to improve the waterproof effect, the rapid trough body 1 can be arranged from top to bottom with a trough top plate, M10 cement mortar filling, water-swelling rubber strips, asphalt wooden boards, asphalt-impregnated hemp tendons and a trough bottom plate to provide good waterproof isolation between the rapid trough body 1 and the base.

[0036] Finally, it should be noted that the above embodiments are only intended to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the purpose and scope of the technical solutions of the present invention, and all of these should be included in the scope of the claims of the present invention.

Claims

1. A waterproof structure for a rapid flow trough, comprising a rapid flow trough body cast in concrete; the rapid flow trough body is connected to a drainage ditch, and is characterized by: The rapid trough body is covered with a geotextile buffer layer; a number of waterproof boards spliced ​​together are laid on the geotextile buffer layer; weld joints are set at both ends of each waterproof board; adjacent weld joints are fixed to each other; and an anti-seepage membrane is laid on the surface of the waterproof board.

2. The waterproof structure for a rapids trough according to claim 1, characterized in that: The waterproof board is an ECB waterproof board; the weld joint has a vertical connecting section and a horizontal connecting section; the weld joint is T-shaped; and the vertical connecting sections are fixedly arranged on both sides of the waterproof board.

3. The waterproof structure for a rapids trough according to claim 2, characterized in that: The horizontal connection sections of two adjacent weld joints are staggered up and down; the horizontal connection sections of two adjacent weld joints are fixed by welding.

4. The waterproof structure for a rapids trough according to claim 3, characterized in that: A groove body is provided on the horizontal connecting section; a waterproof rubber strip is provided on the adjacent horizontal connecting section; and the waterproof rubber strip is inserted into the groove body.

5. The waterproof structure for a rapids trough according to claim 4, characterized in that: Water-swelling rubber strips are filled between the two sides of the waterproof board and the rapid flow trough body; the anti-seepage membrane is a HDPE membrane; and expansion joints and settlement joints are arranged in the rapid flow trough body.

6. The waterproof structure for a rapids trough according to claim 5, characterized in that: The expansion joints and settlement joints are filled with asphalt hemp tendons; and back-sticking waterstops are provided at the seam openings of the expansion joints and settlement joints.

7. The waterproof structure for a rapids trough according to claim 6, characterized in that: The edges of several geotextiles are connected by welding; and a waterproof coating layer is provided on the surface of the geotextile.

8. The waterproof structure for a rapids trough according to claim 7, characterized in that: A water seepage detection layer is provided between the anti-seepage membrane and the waterproof board.

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