CN219951877U

CN219951877U - Rear drainage system of lock wall of ship lock

Info

Publication number: CN219951877U
Application number: CN202321080081.1U
Authority: CN
Inventors: 李召辉; 任自铭; 凡明杰; 熊东; 原学明; 王昱
Original assignee: Yellow River Engineering Consulting Co Ltd
Current assignee: Yellow River Engineering Consulting Co Ltd
Priority date: 2023-05-08
Filing date: 2023-05-08
Publication date: 2023-11-03
Anticipated expiration: 2033-05-08

Abstract

The utility model discloses a lock wall rear drainage system, which comprises a longitudinal drainage pipe, a plurality of transverse drainage pipes and a plurality of vertical drainage pipes, wherein the longitudinal drainage pipe, the plurality of transverse drainage pipes and the plurality of vertical drainage pipes are arranged on a retaining wall platform surface; the longitudinal drain pipes are arranged along the intersection angle of the retaining wall platform and the retaining wall, a plurality of vertical drain pipes are fixed on the back water wall surface of the retaining wall in an interval attaching mode and are communicated with the longitudinal drain pipes, and a plurality of transverse drain pipes are fixed on the retaining wall platform in an interval attaching mode and are communicated with the longitudinal drain pipes. The utility model has the advantages that: 1. the net-shaped permeable pipe finished product made of polypropylene plastic can be produced in a standardized way, is convenient to construct and lay, has wide application conditions, and has high core porosity and high drainage capacity of the net-shaped permeable pipe, and is not easy to block. 2. The transverse drain pipe and the vertical drain pipe are communicated with the longitudinal drain pipe to form a comb-tooth-shaped drain system, so that the lateral water seepage capability of the drain pipe is fully exerted, the structure is reliable, the seepage radiation range of a drain line is increased, and the drain is smoother.

Description

Rear drainage system of lock wall of ship lock

Technical Field

The present utility model relates to a lock arranged on the downstream side of a water blocking line, and more particularly to a lock wall rear drainage system.

Background

At present, a lock wall of a ship lock is composed of a retaining wall platform and a retaining wall vertically arranged on the retaining wall platform, and is arranged on the bank of a river along the water flow direction of the river. The water seepage pressure behind the lock is one of the main loads of the lock structure, and the underground water level is mainly influenced by factors such as the water level on the upper and the lower sides of the lock and the surface rain water seepage, so that the water seepage pressure of the underground water behind the lock can be effectively reduced by arranging a drainage system behind the lock, and the stability of the lock structure is ensured. The conventional sluice wall rear drainage system mostly adopts the forms of a perforated drainage pipe, a broken stone drainage blind ditch and the like; the perforated drain pipe is usually made of concrete, plastic, cast iron and the like, and one or more seepage channels are arranged on the retaining wall platform along the longitudinal direction (parallel to the retaining wall direction) according to the water head height. The above-described drainage system has the following drawbacks: 1. the perforated drain pipe has high installation and positioning requirements, cannot adapt to foundation settlement and is easy to damage; 2. the broken stone drainage blind ditch is simple in construction, low in price and small in drainage area, and the flexible structure can adapt to foundation deformation, so that the broken stone drainage blind ditch is easy to block; 3. the simple longitudinal seepage passage has small contact area with the filled soil, low drainage efficiency, existence of drainage blind areas, poor drainage effect and threat to the safety of the sluice wall structure. Therefore, the conventional drainage system behind the lock wall has certain defects in terms of construction cost, structural reliability and drainage capacity.

Disclosure of Invention

The utility model aims to provide a lock wall rear drainage system of a ship lock, which has the advantages of simple construction, reliable structure and high drainage efficiency.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model relates to a lock wall rear drainage system of a ship lock, which comprises a longitudinal drainage pipe, a plurality of transverse drainage pipes and a plurality of vertical drainage pipes, wherein the longitudinal drainage pipe, the plurality of transverse drainage pipes and the plurality of vertical drainage pipes are arranged on a retaining wall platform surface; the longitudinal drain pipes are arranged at the intersection angle of the retaining wall platform and the retaining wall, a plurality of vertical drain pipes are fixed on the back water wall surface of the retaining wall at intervals and communicated with the longitudinal drain pipes, and a plurality of transverse drain pipes are fixed on the retaining wall platform at intervals and communicated with the longitudinal drain pipes.

Optionally, the longitudinal drain pipe, the transverse drain pipe and the vertical drain pipe are all net-shaped permeable pipe structures made of polypropylene plastics.

Further, the outer surface of the net-shaped water permeable pipe is coated with a water permeable geotechnical cloth layer.

Further, the outer surface of the water-permeable geotechnical cloth layer is coated with a sand gravel reverse filtering layer; optionally, the sand gravel reverse filtration layer has a thickness of 0.3 to 0.5m.

Optionally, the longitudinal drain pipe, the transverse drain pipe and the vertical drain pipe are rectangular pipes.

The advantages of the utility model are mainly represented by the following aspects:

1. the net-shaped permeable pipe finished product made of polypropylene plastic can be produced in a standardized way, is convenient to construct and lay, has wide application conditions, and has high core porosity and high drainage capacity of the net-shaped permeable pipe, and is not easy to block.

2. The transverse drain pipe and the vertical drain pipe are communicated with the longitudinal drain pipe to form a comb-tooth-shaped drain system, so that the lateral water seepage capability of the drain pipe is fully exerted, the structure is reliable, the seepage radiation range of a drain line is increased, and the drain is smoother.

Drawings

Fig. 1 is a schematic layout of a drainage system according to the present utility model.

FIG. 2 is a schematic view of section A-A of FIG. 1.

Fig. 3 is an enlarged schematic view of a portion B in fig. 2.

Detailed Description

The following detailed description of specific embodiments of the utility model is further detailed in conjunction with the accompanying drawings:

as shown in fig. 1 and 2, the lock-wall rear drainage system of the utility model comprises a longitudinal drainage pipe 2, a plurality of transverse drainage pipes 3 and a plurality of vertical drainage pipes 4, wherein the longitudinal drainage pipes 2, the transverse drainage pipes 3 and the vertical drainage pipes 4 are arranged on the table surface of a retaining wall platform 1; the longitudinal drain pipes 2 are arranged along the intersection angle of the retaining wall platform 1 and the retaining wall 5, a plurality of vertical drain pipes 4 are fixed on the back water wall surface of the retaining wall 5 in an equidistant manner and are communicated with the longitudinal drain pipes 2, and a plurality of transverse drain pipes 3 are fixed on the table top of the retaining wall platform 1 in an equidistant manner and are communicated with the longitudinal drain pipes 2.

Advantageously or exemplarily, the longitudinal drain pipes 2, the transverse drain pipes 3 and the vertical drain pipes 4 are rectangular pipes, which is more advantageous for close adhesion with the retaining wall platform 1 and the retaining wall 5.

Advantageously or exemplarily, as shown in fig. 3, the longitudinal drain pipes 2, the lateral drain pipes 3 and the vertical drain pipes 4 are each selected from a net-shaped water permeable pipe 6 made of polypropylene plastic.

In order to improve the water seepage capability of the drainage system and prevent slag soil from entering the meshed water seepage pipe 6 to block the pipeline, the outer surface of the meshed water seepage pipe 6 is coated with a water seepage geotechnical cloth layer 7, and the outer surface of the water seepage geotechnical cloth layer 7 is coated with a sand gravel reverse filtering layer 8.

Advantageously or exemplarily, the sand gravel reverse filtering layer 8 has a thickness of 0.5 to 0.3, and is gradually reduced from the upstream side to the downstream side, so as to adapt to the pipe gradient of the downstream side, and further facilitate the smooth drainage of the water in the meshed water permeable pipe 6, so as to ensure smooth drainage.

The dispersed accumulated water is collected into the longitudinal drain pipes 2 by the plurality of transverse drain pipes 3 and the plurality of vertical drain pipes 4, and finally the water is smoothly drained away.

Claims

1. A lock wall rear drainage system, characterized in that: the retaining wall comprises a longitudinal drain pipe, a plurality of transverse drain pipes and a plurality of vertical drain pipes, wherein the longitudinal drain pipes are arranged on the table top of the retaining wall platform; the longitudinal drain pipes are arranged at the intersection angle of the retaining wall platform and the retaining wall, a plurality of vertical drain pipes are fixed on the back water wall surface of the retaining wall at intervals and communicated with the longitudinal drain pipes, and a plurality of transverse drain pipes are fixed on the retaining wall platform at intervals and communicated with the longitudinal drain pipes.

2. The lock wall rear drain system according to claim 1, wherein: the longitudinal drain pipe, the transverse drain pipe and the vertical drain pipe are all net-shaped permeable pipe structures made of polypropylene plastics.

3. The lock wall rear drain system according to claim 2, wherein: the outer surface of the reticular permeable pipe is coated with a permeable geotechnical cloth layer.

4. A lock wall rear drain system according to claim 3, wherein: and a sand gravel reverse filtering layer is fixedly bonded on the outer surface of the permeable geotechnical cloth layer.

5. The lock wall post drain system according to claim 1, 2, 3 or 4, wherein: the longitudinal drain pipe, the transverse drain pipe and the vertical drain pipe are rectangular pipes.