Construction method for automatic flood and water draining sludge dam
A silt dam and building technology, which is applied to the construction field of automatic flood drainage and drainage silt dam, can solve the problems of poor flood control and drainage capacity, low technical level, labor and financial loss, etc., and achieves the effects of reliable flood control and drainage, simple construction methods and good benefits.
Inactive Publication Date: 2016-06-22
孙孝仁
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Problems solved by technology
[0002] Damming silt is an essential water conservancy project for land acquisition and water control. How to build silt dams in hilly and gully areas economically and efficiently? The disadvantages of the dam are that the construction is slow, the technical level is low, the flood control and drainage capacity is poor, and the dam is in disrepair when it is old and in disrepair.
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[0009] An automatic flood drainage and drainage silt dam construction method. During construction, the groundwater source drainage structure must first be treated to make the groundwater not easy to wet the bottom of the dam foundation, and the dam wall is not easy to sink. When treating the underground water source drainage channel, the water channel The left and right sides of the brick-concrete structure are used to raise the retaining wall with a height of 30-50 cm, and the middle of the retaining wall is flattened with sand stone cushions, and then the brick-concrete structure is used to make a drainage and anti-scouring platform (17). The width and length of the dam are determined according to the design capacity of the dam body for water storage and flood discharge. The L-shaped flood discharge tunnel (8) built on the foundation of the drainage and scour prevention platform is built with concrete and trapezoidal dovetail kneaded bricks (13). The vertical top of the L-shap...
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The invention relates to a construction method for a novel automatic flood and water draining sludge dam. According to the method, an L-shaped flood draining tunnel is constructed on a foundation layer of a dam body through trapezoidal dovetail kneaded bricks; a water inlet is formed in the vertical top of the L-shaped flood draining tunnel, and a main trapezoidal sludge dam wall is constructed in the horizontal position of the L-shaped flood draining tunnel; auxiliary dam walls are constructed at the inner corners of the L-shaped flood draining tunnel; an automatic water draining pipe is laid on one side of the space between the main dam wall and the auxiliary dam walls; a flood draining outlet is formed in the position, on the outer slope surface of the main dam wall, of a flood draining wall; water draining grooves are evenly formed in the outer slope surface of the main dam wall at intervals; a flood flow-in silt sediment layer is accumulated on the lower portion of the inner side of the L-shaped flood draining tunnel; and a flood face is accumulated on the flood flow-in silt sediment layer.
Description
1. Technical Field [0001] The invention belongs to the technical field of water conservancy engineering, and specifically relates to a construction method of an automatic flood discharge and drainage silt dam. 2. Background technology [0002] Damping silt is an indispensable water conservancy project for requisitioning mountains and controlling water. How to build silt dams in hilly and gully areas economically and efficiently? In the past, the method of building dams was to use manpower to bulldoze and to use bulldozers to block sand or loess on both sides of the river. The disadvantages of the dam are slow construction, low technical level, poor flood control and drainage capacity, and collapse of the dam body when floods hit the elderly in disrepair, causing damage to the people and money. 3. Summary of the invention [0003] The purpose of the present invention is to solve the problems of the past dam construction methods, improve the quality of the project, prevent floods fr...
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IPC IPC(8): E02B7/08E02B8/06
Inventor 孙孝仁
Owner 孙孝仁