Rock-fill dam strengthening method based on rock-fill concrete

A technology of rockfill concrete and rockfill dam, which is applied in dams, barrages, weirs, etc., can solve the problems of complicated construction, high engineering cost, and large interference in dam filling construction, so as to facilitate construction and reduce engineering costs. Cost cost, high-strength effect

Active Publication Date: 2013-07-10
TSINGHUA UNIV
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  • Abstract
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Problems solved by technology

However, these anti-seismic methods have the defects of high engineering cost, complicated construction, and great interference with dam filling construction.

Method used

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  • Rock-fill dam strengthening method based on rock-fill concrete
  • Rock-fill dam strengthening method based on rock-fill concrete
  • Rock-fill dam strengthening method based on rock-fill concrete

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Embodiment Construction

[0025] The present invention will be further described below in conjunction with accompanying drawing.

[0026] figure 1 The reinforcement range 11 of the rockfill dam 10 is schematically shown. In order to improve the seismic capacity of the rock-fill dam 10, in one embodiment, the reinforcement range 11 of the rock-fill dam 10 is selected from below the dam crest to 1 / 5-1 / 4 of the dam height. It should be understood that in figure 1 In the figure, only the core rockfill dam is taken as an example to show the scope of reinforcement, such as figure 1 The reinforcement range shown includes the upstream and downstream side slopes of the rockfill dam 10 , whereas in the face rockfill dam (not shown), the reinforcement range is only on the slope without the face plate.

[0027] figure 2 A rockfill dam reinforcement method 20 based on rockfill concrete according to the present invention is shown. Such as figure 2 As shown, the rockfill dam reinforcement method 20 based on r...

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Abstract

The invention relates to a rock-fill dam strengthening method based on rock-fill concrete. The method includes step1 setting a plurality of rock-fill strip belts in a filling layer along the dam axis direction when a dam body is constructed to the altitude requiring strengthening; step2 pouring concrete in the rock-fill strip belts to form a rock-fill concrete strengthening body; step3 continuing filling the filling layer towards the position above the rock-fill concrete strengthening body; and step4 repeating the steps from step1 to step3 to form a multi-layer rock-fill concrete strengthening body till the design altitude of the rock-fill dam is reached. The rock-fill dam strengthening method based on the rock-fill concrete is low in project construction cost, simple in construction and small in interference on rock-fill dam filling construction.

Description

technical field [0001] The invention relates to a dam construction method, in particular to a rockfill dam reinforcement method based on rockfill concrete. Background technique [0002] Rockfill dam is a kind of earth-rockfill dam, which is a dam built with stone material as the main body and anti-seepage body. Because rockfill dams have the advantages of being able to obtain local materials, being able to adapt to various topographic, geological and climatic conditions, and having a strong ability to resist high-intensity earthquakes, the construction and damming technology of rockfill dams have developed rapidly. [0003] At present, my country has built a large number of face rockfill dams and core wall rockfill dams in order to use the hydraulic resources in the west. However, the geological conditions in the western region are complex, and earthquakes are frequent and intense, so special attention should be paid to the seismic safety of dams. Both the actual earthquak...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02B7/06
Inventor 徐艳杰金峰张红曾王进廷
Owner TSINGHUA UNIV
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