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CN-224227836-U - Wading retaining structure for combination of tubular pile and sheet pile

CN224227836UCN 224227836 UCN224227836 UCN 224227836UCN-224227836-U

Abstract

The utility model discloses a wading retaining structure combining pipe piles and sheet piles, which comprises a prestress pipe pile, a downgoing ramp, a water-facing pipe pile, a tie beam and a steel sheet pile, wherein the prestress pipe pile is provided with a plurality of equally distributed soil body bearing layers which are directly penetrated into coastal water areas or sequentially penetrated into water bodies, soil layers and soil body bearing layers in the water areas, the downgoing ramp is paved at the top ends of the prestress pipe piles, the water-facing pipe pile and the steel sheet pile are arranged at the outer side of the lower position of the downgoing ramp and sequentially penetrated into the water bodies, the soil layers and the soil body bearing layers in the water areas, and the tie beam is arranged at the top ends of the water-facing pipe pile and the steel sheet pile. The foundation structure of the downhill slope is constructed by combining the tubular piles and the sheet piles, the downhill slope can be supported and protected, cofferdam drainage construction is not needed, the construction amount, construction period and construction cost of the whole structure construction are greatly reduced, and the foundation structure is stable in structure and good in reliability.

Inventors

  • SHI XIAOTAO
  • LI DENGXIANG
  • XING LEI
  • KONG JUNNAN
  • WANG ZIKUI
  • ZHAO XIAOSHU
  • LIU XU
  • FENG TIANTIAN
  • WANG NING

Assignees

  • 安徽建工交通航务集团有限公司
  • 安徽建工集团股份有限公司

Dates

Publication Date
20260512
Application Date
20250529

Claims (10)

  1. 1. The wading retaining structure is characterized by comprising a prestress pipe pile (1), a launching ramp (2), an upstream pipe pile (3), a tie beam (4) and a steel sheet pile (5), wherein the prestress pipe pile (1) is provided with a plurality of equally distributed soil body bearing layers (100) which are directly penetrated into coastal water areas or water bodies (300), clay layers (200) and soil body bearing layers (100) which are sequentially penetrated into the water areas, the launching ramp (2) is paved at the top ends of the prestress pipe piles (1), the upstream pipe pile (3) and the steel sheet pile (5) are arranged at the outer side of the lower position of the launching ramp (2) and sequentially penetrated into the water bodies (300), the clay layers (200) and the soil body bearing layers (100), and the tie beam (4) is installed at the top ends of the upstream pipe pile (3) and the steel sheet pile (5).
  2. 2. The wading retaining structure of a pipe pile and sheet pile combination according to claim 1, wherein the launching ramp (2) comprises longitudinal beams (21), cross beams (22) and a ramp panel (23), a plurality of prestressed pipe piles (1) are arranged transversely and longitudinally in an equidistance and densely, the longitudinal beams (21) are provided with a plurality of mutually parallel and are respectively arranged on the longitudinal prestressed pipe piles (1), the cross beams (22) are provided with a plurality of mutually parallel and are respectively arranged on the transverse prestressed pipe piles (1), the longitudinal beams (21) and the cross beams (22) form an inclined grid-shaped structure, and the ramp panel (23) is arranged above the longitudinal beams (21) and the cross beams (22) of the grid-shaped structure.
  3. 3. The wading supporting structure of the combination of the pipe piles and the sheet piles according to claim 1 is characterized in that the liquid level of the water body (300) is variable and is divided into a low water level line (301) and a normal water level line (302), the tie beam (4) is positioned above the low water level line (301) and the top end surface of the tie beam (4) is not lower than the normal water level line (302).
  4. 4. The wading retaining structure of a pipe pile and sheet pile combination according to claim 1, wherein the water-facing surface pipe piles (3) are provided with a plurality of water-facing surface pipe piles which are uniformly distributed in two longitudinal rows at equal intervals.
  5. 5. The wading retaining structure of a pipe pile and sheet pile combination according to claim 4, wherein the water-facing pipe piles (3) are arranged in an encrypted manner, and the distance between two adjacent water-facing pipe piles (3) in each longitudinal row of water-facing pipe piles (3) is smaller than the distance between two adjacent prestressed pipe piles (1).
  6. 6. The wading retaining structure of a pipe pile and sheet pile combination according to claim 5, wherein the tie beams (4) are arranged at the top ends of the two longitudinal rows of water facing pipe piles (3) and are formed by concrete casting.
  7. 7. The wading supporting structure of a pipe pile and sheet pile combination according to claim 5, characterized in that the tie beam (4) comprises a tie beam body (41), a steel sheet pile guide groove (42) longitudinally arranged is arranged in the center of the tie beam body (41), the steel sheet piles (5) are arranged between the water facing surface pipe piles (3) of two longitudinal columns, the upper ends of the steel sheet piles (5) are arranged in the steel sheet pile guide groove (42), and the top ends of the steel sheet piles (5) are not higher than the top end surface of the tie beam (4).
  8. 8. The wading retaining structure of a pipe pile and sheet pile combination according to any one of claims 1-7, characterized in that the steel sheet piles (5) are connected in series through locking openings to form a plate-like structure.
  9. 9. The wading retaining structure of the pipe pile and sheet pile combination according to claim 7, wherein the pile top is poured in a gap between the upper end of the steel sheet pile (5) and the inner wall of the steel sheet pile guide groove (42), and then the concrete (43) is poured.
  10. 10. The wading supporting structure of a pipe pile and sheet pile combination according to claim 2, wherein part of the prestressed pipe pile (1) located at the high position of the launching ramp (2) is directly penetrated into the soil body bearing layer (100) along the coast of the water area, and the rest of the prestressed pipe pile (1) located at the low position of the launching ramp (2) is sequentially penetrated into the water body (300), the soil layer (200) and the soil body bearing layer (100) in the water area.

Description

Wading retaining structure for combination of tubular pile and sheet pile Technical Field The utility model relates to the technical field of constructional engineering, in particular to a wading retaining structure combining a tubular pile and a sheet pile. Background Small vessels and the like often land on or in water through a launch ramp. Compared with the mode of adopting a dock or a ship elevator to assist the ship to enter water or land, the launching ramp does not need large equipment, and the buoyancy of the water to the ship is utilized to launch or land, so that the cost is saved, the energy is saved, and the method is economical and environment-friendly. The launching ramp therefore needs to extend below the lowest water level of the water area in which the vessel is launched or landed to ensure that the vessel can launch or land through the launching ramp at any water level. At present, the supporting and retaining structure of the traditional launching ramp is generally a solid concrete structure or a post-pouring concrete frame structure, and cofferdam drainage construction is needed before concrete pouring, so that the construction engineering amount is very large, the period is long, and the cost is high. Disclosure of utility model The utility model aims to provide a wading retaining structure combining a tubular pile and a sheet pile, which aims to solve the defects. In order to achieve the above object, the present utility model provides the following technical solutions: The wading retaining structure comprises a prestress pipe pile, a launching ramp, a water-facing pipe pile, a tie beam and a steel sheet pile, wherein the prestress pipe pile is provided with a plurality of equally distributed soil body bearing layers which are directly penetrated into coastal water areas or water bodies, clay layers and soil body bearing layers which are sequentially penetrated into water areas, the launching ramp is paved at the top ends of the prestress pipe piles, the water-facing pipe pile and the steel sheet pile are arranged at the outer side of the lower position of the launching ramp and sequentially penetrated into the water bodies, clay layers and soil body bearing layers in the water areas, and the tie beam is arranged at the top ends of the water-facing pipe pile and the steel sheet pile. Preferably, the launching ramp comprises longitudinal beams, cross beams and a ramp panel, wherein a plurality of prestressed pipe piles are arranged transversely and longitudinally at equal intervals in a dense mode, the longitudinal beams are provided with a plurality of mutually parallel prestressed pipe piles and are respectively arranged on the longitudinal prestressed pipe piles, the cross beams are provided with a plurality of mutually parallel prestressed pipe piles and are respectively arranged on the transverse prestressed pipe piles, the longitudinal beams and the cross beams form an inclined grid-shaped structure, and the ramp panel is arranged above the longitudinal beams and the cross beams of the grid-shaped structure. Preferably, the liquid level of the water body is variable and is divided into a low water level line and a normal water level line, the tie beam is positioned above the low water level line, and the top end surface of the tie beam is not lower than the normal water level line. Preferably, the upstream surface pipe piles are provided with a plurality of longitudinal two rows which are uniformly distributed at equal intervals. Preferably, the water-facing surface pipe piles are arranged in an encrypted mode, and the distance between two adjacent water-facing surface pipe piles in each longitudinal row of the water-facing surface pipe piles is smaller than the distance between two adjacent prestress pipe piles. Preferably, the tie beams are arranged at the top ends of the water facing surface tubular piles in two longitudinal rows and are formed by casting concrete. Preferably, the tie beam comprises a tie beam body, wherein a steel sheet pile guide groove which is longitudinally arranged is formed in the center of the tie beam body, steel sheet piles are arranged between two longitudinal rows of water facing surface pipe piles, the upper ends of the steel sheet piles are arranged in the steel sheet pile guide groove, and the top ends of the steel sheet piles are not higher than the top end face of the tie beam. Preferably, the steel sheet piles adopt a plurality of Larson steel sheet piles which are connected in series through locking openings to form a plate-shaped structure. Preferably, pile tops are poured in gaps between the upper ends of the steel sheet piles and the inner walls of the steel sheet pile guide grooves, and then concrete is poured. Preferably, part of the prestressed pipe piles located at the high position of the downgoing ramp are directly penetrated into the soil body bearing layer of the coast of the water area, and the rest of the prestressed pipe piles