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A kind of fast plugging method of embankment breach

A fast and plugging technology, applied in marine engineering, construction, water conservancy projects, etc., can solve the problems of increasing construction difficulty and progress, higher requirements for riprap and head wrapping, and self-heavy weight, so as to reduce property loss and construction. Difficulty, light weight effect

Active Publication Date: 2019-04-05
WATER RESOURCES RES INST OF SHANDONG PROVINCE +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Generally, the pontoon bridge or trestle bridge erected is a horizontal structure, the components use many materials, and the weight is relatively large. As a simply supported structure, the requirements for the riprap head filled at the crevasse are relatively high, which increases the construction difficulty and progress.

Method used

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  • A kind of fast plugging method of embankment breach
  • A kind of fast plugging method of embankment breach
  • A kind of fast plugging method of embankment breach

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] figure 1 and figure 2 It shows a rapid closure system for a dam breach when the arched member 11 is vertically arranged, including the arched member 11 across the Helongkou 1, and the arched member 11 is assembled by several prefabricated members 4 (light steel) The two ends of the arched member 11 are fastened to the embankment 10 through the fasteners 3 respectively; wherein, the closing mouth 1 is obtained after quickly blocking the breach.

[0032] There are two prefabricated components 4, and the two are connected by a connecting piece 6.

[0033] The Helongkou 1 is filled with a layer of riprap wrapping the head 9 .

[0034] The arched member 11 is provided with an electric hoist 7 , which is connected to the throwing material on the embankment 10 through a winding rope 8 , thereby transporting the throwing material to the arched member 11 .

[0035] The arched member 11 is arranged vertically. The arched member 11 is provided with a horizontal support frame ...

Embodiment 2

[0043] image 3 It shows a rapid plugging system for a dam breach when the arched member 11 is inclined to the upstream direction, and its structure is the same as that of figure 1 and figure 2 Similarly, it includes an arched member 11 across the Helongkou 1. The arched member 11 is assembled from several prefabricated members 4 (light steel), and the two ends of the arched member 11 are fastened to the embankment 10 by fasteners 3 respectively. Connection; Among them, the closing mouth 1 is obtained after quickly blocking the breach.

[0044] There are two prefabricated components 4, and the two are connected by a connecting piece 6.

[0045] The Helongkou 1 is filled with a layer of riprap wrapping the head 9 .

[0046] The arched member 11 is provided with an electric hoist 7 , which is connected to the throwing material on the embankment 10 through a winding rope 8 , thereby transporting the throwing material to the arched member 11 .

[0047] The arched member 11 is...

Embodiment 3

[0055] Figure 4It is a rapid plugging system for embankment breach when the arched member 11 is inclined to the upstream direction and the high-strength braid 12 is fixed on the bottom side of the arched member 11. Its basic structure is the same as that of figure 1 and figure 2 Similarly, it includes an arched member 11 across the Helongkou 1. The arched member 11 is assembled from several prefabricated members 4 (light steel), and the two ends of the arched member 11 are fastened to the embankment 10 by fasteners 3 respectively. Connection; Among them, the closing mouth 1 is obtained after quickly standing and blocking the breaching mouth.

[0056] There are two prefabricated components 4, and the two are connected by a connecting piece 6.

[0057] The Helongkou 1 is filled with a layer of riprap wrapping the head 9 .

[0058] The arched member 11 is provided with an electric hoist 7 , which is connected to the throwing material on the embankment 10 through a winding ro...

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Abstract

The invention discloses a quick plugging system and method for dam breaking.The system comprises an arched member spanning the closure mouth, and the arched member is assembled by several prefabricated members, and the two ends of the arch member are respectively fastened and connected with the dyke through fasteners; wherein, the closure is obtained after rapid plugging of the dam. In case of flood disaster, the break can be quickly blocked up to 30-50m. At the time of preparing the closure, the rock-fill head is filled in the closure, then the precast members can be quickly assembled into the arch-shaped member spanning the closure mouth, for which the construction is convinient and quick, obtaining fisrt chance for the flood prevention. In that invention, arch-shaped members are adopt, and compared with the conventional horizontal structure, the requirement for the polishing head is relatively low, and the lightweight steel is adopted as the light steel member, and the construction difficulty is greatly reduced.

Description

technical field [0001] The invention relates to a plugging system for a dam breach, in particular to a rapid plugging system and method for a dam breach. It belongs to the technical field of hydraulic engineering construction and flood control. Background technique [0002] At present, due to potential safety hazards or excessive floods in common river courses, dam breaches may occur, causing serious economic losses to the country, society and the people, and even endangering people's lives. After the breach occurs, due to the different conditions in various aspects, the methods of blocking the breach are also different. Common closing methods include: vertical blocking method, flat blocking method and combination of vertical blocking and flat blocking method. Vertical blockage and flat blockage have their own advantages and disadvantages. Vertical blockage does not need to erect pontoon bridges or trestle bridges, but the flow velocity in the closing stage of Longkou is h...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02B3/16
CPCE02B3/16
Inventor 孙喜壮余以翩王玉太武冬梅孙平范晓洁孙文悦徐运海林荣军苏波
Owner WATER RESOURCES RES INST OF SHANDONG PROVINCE
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