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Sediment storage dam for protecting against large-scale low-frequency debris flow

A technology of sand dam and low frequency, applied in the field of geological disaster prevention and control engineering, can solve the problems of large project investment, loss of silt storage capacity, high construction technology requirements, etc., and achieve the effect of saving project investment

Inactive Publication Date: 2011-08-24
INST OF MOUNTAIN HAZARDS & ENVIRONMENT CHINESE ACADEMY OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This invention saves money by only saving one third or two compared with traditional methods like ponds that require expensive equipment for maintenance purposes. Additionally, it allows users to choose which area they want to store their waste material based on its size and type of pollution being treated.

Problems solved by technology

This technical problem addressed in this patents relates to improving the efficiency and effectiveness of controllers designed against low frequency debrides (LFDE), which can lead to severe damage or loss of valuable lands due to their ability to block up water channels during periods when they occur. Current solutions involve constructing temporary structures called backbones containing sand, but these require expensive equipment and long times before being able to effectively reduce impact caused by LFLUX events.

Method used

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  • Sediment storage dam for protecting against large-scale low-frequency debris flow
  • Sediment storage dam for protecting against large-scale low-frequency debris flow
  • Sediment storage dam for protecting against large-scale low-frequency debris flow

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Embodiment Construction

[0026] The present invention will be described in detail below in conjunction with specific embodiments.

[0027] Such as figure 1 and figure 2 As shown, it is a schematic diagram of a new type of sand retaining dam suitable for low-frequency debris flow prevention and control: it includes a foundation 10 and a dam body 20, wherein: the dam body 20 is provided with a strip-shaped discharge hole 30, and the discharge holes 30 are horizontally parallel to each other Arrangement, the distance between the centerlines of the discharge holes 30 is 2.00-3.00m. The width of the discharge hole 30 is determined according to the particle size of the gravel in the accumulation area of ​​the debris flow basin, generally 1.00-1.50m, and the depth is generally slightly smaller than the effective dam height (such as figure 1 shown in . . . rice). The foundation 10 is constructed of rubble concrete, the dam body 20 is constructed of mortar masonry, and the dam body 20 forms a slope towa...

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Abstract

The invention discloses a sediment storage dam for protecting against large-scale low-frequency debris flow. The sediment storage dam comprises a foundation and a dam body, wherein, the dam body is equipped with strip drainage holes, the drainage holes are transversely arranged in parallel, and the distance between center lines of the drainage holes is 2.00-3.00mm; the foundation is made from rubble concrete, the dam body is made from grouted stone, and the drainage holes are made from concrete; and the dam body forms a slope surface in the upstream direction, and the slope ratio of the slope surface is 1:0.6. The sediment storage dam shows more remarkable advantages for mountain areas with low economic and technological level and low debris flow control investment level in China.

Description

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Claims

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Application Information

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Owner INST OF MOUNTAIN HAZARDS & ENVIRONMENT CHINESE ACADEMY OF SCI
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