Gravity-type high-pressure water jetting impacting device and sinking assisting method thereof

A technology of high-pressure water jetting and impact device, which is applied in caisson, construction, infrastructure engineering and other directions, can solve the problems of high efficiency, low cost and short duration of assisting sinking, and achieves the commanding height of soil layer, high working efficiency and short duration of assisting sinking Effect

Pending Publication Date: 2018-04-20
CCCC SHEC FOURTH ENG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The object of the present invention is to: propose a gravity-type high-pressure water jet impact device and its method for assisting sinking, overcome the shortcomings of poor convenience and poo

Method used

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  • Gravity-type high-pressure water jetting impacting device and sinking assisting method thereof
  • Gravity-type high-pressure water jetting impacting device and sinking assisting method thereof
  • Gravity-type high-pressure water jetting impacting device and sinking assisting method thereof

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Example Embodiment

[0023] The present invention will be further described below in conjunction with specific embodiments and drawings.

[0024] reference figure 1 , 2 As shown, a gravity-type high-pressure water jet impact device and its sinking assistance method include a straight rod-shaped bracket 1, a plurality of water pipes 2 extending along the length of the bracket 1 and fixed on the bracket 1, and a hanging point 3 is provided at the end of the bracket 1 , Each water pipe inlet at the end of the bracket 1 is provided with a booster pump connection port 4, and each water pipe 2 at the front end of the bracket 1 is provided with a reducing head 5. The water pipes 2 are distributed in parallel and symmetrically with the center of the support 1 as the center. A baffle 6 is provided at the connection position between the outlet of each water pipe 2 and the reducing head 5, and the baffle 6 is perpendicular to the water pipe 2 and fixed to the front end of the bracket 1 flatly.

[0025] Alternati...

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PUM

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Abstract

The invention discloses a gravity-type high-pressure water jet impact device and a sinking-assisting method thereof, which belong to the field of sinking-aiding in bridge caisson foundation sinking construction. A water pipe is provided at the end of the bracket, a lifting point is provided at the end of the bracket, a booster pump connection is provided at the water inlet of each water pipe at the end of the bracket, and a reducing head is provided at the water outlet of each water pipe at the front end of the bracket. The sinking method is to use the suspension point of the tower crane suspension bracket, and the booster pump is connected to the booster pump connection port of each water pipe. When the bracket sinks vertically, the multiple high-pressure water jets of the variable diameter heads of each water pipe act on a sinking commanding height at the same time. Disperse compaction clay. The invention overcomes the disadvantages of poor convenience and poor sinking effect of the traditional sinking aid measures in the silty clay layer, specifically solves the commanding heights of the soil layer, has high sinking efficiency, takes less time and costs less.

Description

technical field [0001] The invention belongs to the field of sinking assistance in bridge caisson foundation sinking construction, and is suitable for the sinking construction of large caisson foundations or steel cofferdams in silty clay layers. Background technique [0002] 1) Traditional caisson sinking medium and high pressure water pipe sinking aid technology: [0003] The caisson foundation is an important structure in bridge foundation construction. When the large caisson foundation sinking construction encounters the clay formation, the mud suction effect is poor, the caisson sinks slowly, and the mud suction sinks. During conventional construction, the method of burying high-pressure water pipes on the well wall or partition wall is often used to break through the silty clay layer forming a hardened body and help the caisson to sink. Thereby improving the sinking efficiency. [0004] 2) Limitations of traditional construction techniques: [0005] In the construc...

Claims

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Application Information

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IPC IPC(8): E02D23/08
CPCE02D23/08
Inventor 钟永新汪成龙潘桂林王通朱斌典魏湛力鲁言石军
Owner CCCC SHEC FOURTH ENG
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