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Artificial landscape overflow dam construction method with energy dissipation effect

A technology of artificial landscape and construction method, which is applied in the direction of dams, wall dams, water conservancy projects, etc., can solve the problems of high cost and long construction period, and achieve the effect of saving investment, shortening construction period and improving the effect of urban landscape

Active Publication Date: 2019-01-15
CHINA SHANXI SIJIAN GRP
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Problems solved by technology

[0003] In order to solve the problems of long construction period and high cost caused by noise reduction in existing landscape dams, the present invention further provides an artificial landscape overflow dam construction method with energy dissipation effect

Method used

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  • Artificial landscape overflow dam construction method with energy dissipation effect
  • Artificial landscape overflow dam construction method with energy dissipation effect
  • Artificial landscape overflow dam construction method with energy dissipation effect

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Embodiment Construction

[0020] The present invention uses a thin concrete dam + masonry landscape stones, uses concrete and masonry landscape stones to form a gravity dam, resists the horizontal load of upstream water pressure, and uses mortar masonry landscape stones to create a natural water drop atmosphere to form a new structural dam energy dissipation method .

[0021] Taking the ecological wetland project in a certain city as an example, the overflow dam serves as the primary water storage structure of the entire ecological wetland. The overflow dam is 147.8 meters long and 2.3 meters high. The overflow dam is composed of an upstream bedding section, an overflow retaining wall, a stilling tank and a sand washing gate. The structure of the project is as follows figure 2 As shown, the overflow dam adopts a trapezoidal practical weir, the weir height is 2.5m, the gap section weir height is 23m, the top width is 1.5m, the upstream is vertical, and the downstream slope is 1:0.3 to the upstream. T...

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Abstract

The invention belongs to the fields of energy dissipation technology and urban landscape construction of hydraulic structures, and provides an artificial landscape overflow dam construction method with an energy dissipation effect. The artificial landscape overflow dam construction method with the energy dissipation effect solves the problems such as long construction period and high constructioncost due to silencing of an existing landscape dam. The method is characterized in that a structure combining a thin concrete overflow dam and masonry landscape stones is adopted; concrete and the masonry landscape stones form a gravity dam to resist the horizontal load of upstream water pressure; the masonry landscape stones are utilized to form a natural water falling atmosphere generating structural dam body with the energy dissipation effect. With the adoption of the construction method, the size of the concrete gravity dam is reduced; the construction of the energy dissipation structure at the back of a dam is simplified; and moreover, the landscape waterfall and energy dissipation effects are realized; the operation of the dam body is safe; the service life of the dam body is prolonged; and the engineering investment is saved.

Description

technical field [0001] The invention belongs to the fields of energy dissipation technology for hydraulic structures and urban landscaping, and specifically relates to an artificial landscape overflow dam suitable for small rivers (water storage height within 5 meters) and having energy dissipation effects and a construction method thereof. Background technique [0002] At present, as the country pays more and more attention to the ecological environment and the people continue to improve the living and living environment, all regions, counties and cities are making great efforts to improve the livable environment of the city, especially the rivers running through the city, and building various Hydraulic dams, rubber dams, concrete dams, etc. to form urban water storage landscape projects. The existing dam energy dissipation methods mainly include underflow energy dissipation, surface flow energy dissipation, and deflecting flow energy dissipation. However, the above three ...

Claims

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Application Information

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IPC IPC(8): E02B7/08E02B3/16
CPCE02B3/16E02B7/08
Inventor 杨利卫芷时虎郭美庆王瑞王续东李冰冰
Owner CHINA SHANXI SIJIAN GRP
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