High-fall drop culvert pipe structure

Abstract

The utility model relates to a culvert pipe structure, in particular to a high-fall drop culvert pipe structure which comprises a drop culvert pipe structure, a high retaining wall structure, a slope protection structure, a pavement structure and a foundation, one side of an outlet of the drop culvert pipe structure is connected with the high retaining wall structure, and one side of an inlet of the drop culvert pipe structure is connected with the foundation. The high retaining wall structure is connected with the pavement structure through the slope protection structure; the drop culvert pipe structure comprises an inlet channel, a culvert pipe, a drop inlet, a drop vertical shaft section, a drop horizontal section, an energy dissipation ridge, a drop outlet and an exhaust hole, the inlet channel is connected with the drop inlet through the culvert pipe, and the drop horizontal section is connected with the drop vertical shaft section to form an overflowing channel. High-fall drop water energy dissipation is carried out through the drop water well and the outlet baffle sill, meanwhile, bottom plate silting can be reduced through the drop water impact effect, the structure is simple, practical, ecological and environmentally friendly, the adverse effect on river channel scouring can be reduced, and the project investment and the operation management and maintenance cost are optimized.

Description

Technical Field

[0001] The utility model relates to a culvert structure, in particular to a high-drop waterfall culvert structure. Background Art

[0002] Given that most culverts currently use a single pipe to connect the inlet and outlet, this culvert layout has an adverse effect on the scouring of the river channel at the outlet in high-drop conditions, and the outlet section is easily blocked by debris when the downstream river channel is at high water level, making operation and management inconvenient. Utility Model Content

[0003] In order to solve the problems existing in the prior art, the utility model proposes a high-drop waterfall culvert structure, which uses a drop well and an outlet stilling sill to dissipate high-drop waterfall energy, and at the same time reduces bottom plate siltation through the impact of the drop.

[0004] The technical solution adopted by this utility model is:

[0005] A high-drop drop culvert structure includes a drop culvert structure, a high retaining wall structure, a slope protection structure, a pavement structure, and a foundation. The outlet side of the drop culvert structure is connected to the high retaining wall structure. The slope protection structure and the pavement structure are both arranged on the upper part of the drop culvert structure. The inlet side of the drop culvert structure is connected to the foundation. The high retaining wall structure, the slope protection structure, and the pavement structure are all connected to the foundation. The high retaining wall structure is connected to the pavement structure via the slope protection structure.

[0006] The drop culvert structure includes an inlet ditch, a culvert, a drop inlet, a drop shaft section, a drop horizontal section, an energy dissipation sill, a drop outlet and an exhaust hole. The inlet ditch is connected to the drop inlet through the culvert. The drop inlet is arranged on the top side wall of the drop shaft section. The drop horizontal section is connected to the drop shaft section to form a flow channel. The energy dissipation sill is arranged at the bottom of the outlet of the drop horizontal section. The drop outlet is arranged on one side of the outlet of the drop horizontal section. The exhaust hole is arranged at the top center of the drop shaft section.

[0007] The high retaining wall structure includes a high retaining wall bottom plate and a high retaining wall body. The high retaining wall body is arranged on the top surface of the high retaining wall bottom plate, and the high retaining wall bottom plate is arranged on the top of the foundation; the inlet ditch is connected to the foundation and the pavement structure respectively, and the culvert is arranged inside the foundation; the drop shaft section and the drop horizontal section are connected to the high retaining wall body respectively; the exhaust holes pass through the upper part of the high retaining wall body and the top surface of the drop shaft section from top to bottom in sequence; the high retaining wall body and the drop shaft section are connected to the foundation respectively, and the drop horizontal section is connected to the high retaining wall bottom plate and the high retaining wall wall respectively.

[0008] Furthermore, the number of the drop culvert structure, high retaining wall structure, inlet ditch, culvert, drop inlet, drop shaft section, drop horizontal section, energy dissipation sill, drop outlet and exhaust hole is more than two.

[0009] The beneficial effects of the utility model are:

[0010] (1) The utility model solves the problem that the general straight-through culvert has the adverse effects of scouring the river channel and being easily blocked by debris under high-drop conditions, as well as the inconvenience in operation and management.

[0011] (2) The utility model utilizes a drop well and an outlet stilling sill to dissipate energy through a high-drop drop, and at the same time reduces bottom plate siltation through the impact of the drop; the utility model has a simple and practical structure, is eco-friendly, can reduce the adverse effects on river scouring, and optimizes project investment and operation management and maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural diagram of the present utility model.

[0013] In the figure: 1- waterfall culvert structure; 2- high retaining wall structure; 3- slope protection structure; 4- road surface structure; 5- foundation; 11- inlet ditch; 12- culvert; 13- waterfall inlet; 14- waterfall shaft section; 15- waterfall horizontal section; 16- energy dissipation sill; 17- waterfall outlet; 18- exhaust hole; 21- high retaining wall bottom plate; 22- high retaining wall wall. DETAILED DESCRIPTION

[0014] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0015] like Figure 1 As shown, the utility model is a high-drop waterfall culvert structure, including a waterfall culvert structure 1, a high retaining wall structure 2, a slope protection structure 3, a pavement structure 4 and a foundation 5. The outlet side of the waterfall culvert structure 1 is connected to the high retaining wall structure 2, the slope protection structure 3 and the pavement structure 4 are both arranged on the upper part of the waterfall culvert structure 1, the inlet side of the waterfall culvert structure 1 is connected to the foundation 5, the high retaining wall structure 2, the slope protection structure 3 and the pavement structure 4 are all connected to the foundation 5, and the high retaining wall structure 2 is connected to the pavement structure 4 through the slope protection structure 3.

[0016] The waterfall culvert structure 1 adopts C30 reinforced concrete structure, the high retaining wall structure 2 adopts C30 cast-in-place block stone structure, the slope protection structure 3 adopts lawn ecological slope protection, and the pavement structure 4 adopts asphalt pavement.

[0017] The drop culvert structure 1 includes an inlet ditch 11, a culvert 12, a drop inlet 13, a drop shaft section 14, a drop horizontal section 15, an energy dissipation sill 16, a drop outlet 17 and an exhaust hole 18. The inlet ditch 11 is connected to the drop inlet 13 through the culvert 12. The drop inlet 13 is arranged on the top side wall of the drop shaft section 14. The drop horizontal section 15 is connected to the drop shaft section 14 to form a flow channel. The energy dissipation sill 16 is arranged at the bottom of the outlet of the drop horizontal section 15. The drop outlet 17 is arranged on one side of the outlet of the drop horizontal section 15. The exhaust hole 18 is arranged at the top center of the drop shaft section 14.

[0018] The high retaining wall structure 2 includes a high retaining wall bottom plate 21 and a high retaining wall body 22. The high retaining wall body 22 is arranged on the top surface of the high retaining wall bottom plate 21, and the high retaining wall bottom plate 21 is arranged on the top of the foundation 5; the inlet ditch 11 is connected to the foundation 5 and the pavement structure 4 respectively, and the culvert 12 is arranged inside the foundation 5; the drop shaft section 14 and the drop horizontal section 15 are respectively connected to the high retaining wall body 22, and the exhaust hole 18 passes through the upper part of the high retaining wall body 22 and the top surface of the drop shaft section 14 from top to bottom. The high retaining wall body 22 and the drop shaft section 14 are respectively connected to the foundation 5, and the drop horizontal section 15 is respectively connected to the high retaining wall bottom plate 21 and the high retaining wall body 22.

[0019] The inlet ditch 11 adopts C30 concrete structure, the culvert 12 adopts C30 reinforced concrete prefabricated pipe structure, the drop inlet 13 is a circular inlet with a diameter of 0.8m, the drop shaft section 14 adopts C30 reinforced concrete structure with a width of 1.2m and a thickness of 0.5m, the drop horizontal section 15 adopts C30 reinforced concrete structure with a width of 1.2m and a thickness of 0.5m, the energy dissipation sill 16 adopts C30 reinforced concrete structure with a height of 0.3m, the drop outlet 17 is a rectangular opening with a width of 1.2m and a height of 1.2m, and the exhaust hole 18 adopts a PVC pipe structure with a diameter of 15cm.

[0020] There are two or more drop culvert structures 1, high retaining wall structure 2, inlet ditch 11, culvert 12, drop inlet 13, drop shaft section 14, drop horizontal section 15, energy dissipation sill 16, drop outlet 17 and exhaust hole 18.

[0021] The above embodiments are used in conjunction with the accompanying drawings to describe the present invention, but they should not be construed as limiting the scope of protection of the present invention. It should be noted that those skilled in the art can make several equivalent variations and improvements without departing from the concept of the present invention, and these variations and improvements are all within the scope of protection of the present invention.

Claims

1. A high drop culvert structure, characterized by: The invention comprises a water drop culvert structure (1), a high retaining wall structure (2), a slope protection structure (3), a pavement structure (4) and a foundation (5); the outlet side of the water drop culvert structure (1) is connected to the high retaining wall structure (2); the slope protection structure (3) and the pavement structure (4) are both arranged on the upper part of the water drop culvert structure (1); the inlet side of the water drop culvert structure (1) is connected to the foundation (5); the high retaining wall structure (2), the slope protection structure (3) and the pavement structure (4) are all connected to the foundation (5); and the high retaining wall structure (2) is connected to the pavement structure (4) through the slope protection structure (3); The drop culvert structure (1) comprises an inlet ditch (11), a culvert (12), a drop inlet (13), a drop shaft section (14), a drop horizontal section (15), an energy dissipation sill (16), a drop outlet (17) and an exhaust hole (18); the inlet ditch (11) is connected to the drop inlet (13) through the culvert (12); the drop inlet (13) is arranged on the top side wall of the drop shaft section (14); the drop horizontal section (15) is connected to the drop shaft section (14) to form a flow passage; the energy dissipation sill (16) is arranged at the bottom of the outlet of the drop horizontal section (15); the drop outlet (17) is arranged on one side of the outlet of the drop horizontal section (15); and the exhaust hole (18) is arranged at the top center of the drop shaft section (14); The high retaining wall structure (2) comprises a high retaining wall bottom plate (21) and a high retaining wall body (22), wherein the high retaining wall body (22) is arranged on the top surface of the high retaining wall bottom plate (21), and the high retaining wall bottom plate (21) is arranged on the top of the foundation (5); the inlet ditch (11) is connected to the foundation (5) and the road surface structure (4) respectively, and the culvert (12) is arranged inside the foundation (5); the vertical drop shaft section (14) and the horizontal drop shaft section (15) are connected to the high retaining wall body (22) respectively; the exhaust hole (18) passes through the upper part of the high retaining wall body (22) and the top surface of the vertical drop shaft section (14) in sequence from top to bottom; the high retaining wall body (22) and the vertical drop shaft section (14) are connected to the foundation (5) respectively, and the horizontal drop shaft section (15) is connected to the high retaining wall bottom plate (21) and the high retaining wall body (22) respectively.

2. The high drop culvert structure according to claim 1, characterized in that: The drop culvert structure (1), high retaining wall structure (2), inlet ditch (11), culvert (12), drop inlet (13), drop shaft section (14), drop horizontal section (15), energy dissipation sill (16), drop outlet (17) and exhaust hole (18) are all provided with more than two.

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