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Immersed Tube Vibration Compaction Method

An immersed tube excitation compaction, excitation frequency technology, applied in soil protection, construction, infrastructure engineering and other directions, can solve the problems of rapid attenuation of vibration intensity, limited effective reinforcement range, etc., to reduce settlement deformation and improve foundation stability. The effect of sex and low cost

Active Publication Date: 2017-07-28
CHINA ZHONGHUA GEOTECHN ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The vibration wave generated by the vibrator propagates from one point to the surrounding, and the vibration intensity attenuates rapidly during the propagation process, so its effective reinforcement range is limited

Method used

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  • Immersed Tube Vibration Compaction Method
  • Immersed Tube Vibration Compaction Method
  • Immersed Tube Vibration Compaction Method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0044] see figure 1 , figure 2 , image 3 , Figure 4 Shown:

[0045] An immersed tube excitation compaction method, which generates vibration waves in the soil layer through the tube body sunk into the foundation:

[0046] As the excitation source in the soil layer, the pipe body generates vibration waves in the soil layer through the vibration of the pipe body;

[0047] The forms of vibration waves include longitudinal waves, transverse waves and surface waves.

[0048] It strengthens and compacts the soil by means of vibration waves:

[0049] During the transmission process of the vibration wave, it will squeeze and shear the foundation soil, rearrange the soil particles, discharge the water and gas in the soil, and make the soil consolidate and compact, so as to achieve the purpose of strengthening the foundation soil ;

[0050] Part of the vibration wave propagates to the outside of the pipe body, and the soil within a certain range outside the pipe body is reinfo...

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Abstract

An immersed tube excitation compaction method can realize rapid and effective reinforcement of loose and under-consolidated foundation soil. It includes the following steps: ①point measurement and release; ②immersed tube and vibration excitation; ③sustained vibration; ④extraction and displacement of tube; The beneficial effects of the invention are: it can effectively reinforce the loose and under-consolidated foundation soil, eliminate the collapsibility, liquefaction and self-weight consolidation settlement of the foundation soil, improve the stability of the foundation, improve the bearing capacity of the foundation, reduce (not Uniform) settlement deformation and other purposes, the construction is convenient, fast, effective, low cost, does not require any building materials, does not produce pollutants during the construction process, and is green and environmentally friendly.

Description

technical field [0001] The invention relates to the technical field of foundation treatment, and relates to an immersed tube excitation compaction method and a foundation treatment technology for reinforcing loose and under-consolidated foundation soil. Background technique [0002] The ground treatment technology of the dynamic compaction method is to use a large crawler crane to freely drop a heavy hammer of a certain mass from a certain height to compact the soil strongly. The vibration wave generated by the rammer impacting the foundation soil squeezes the soft soil during the transmission process of the deep soil, so that the soil particles are rearranged, the water and gas in the soil are discharged, and the soil becomes dense, so as to achieve the reinforcement of the deep foundation soil the goal of. The vibration source of the dynamic compaction method is located on the surface, and the vibration intensity decays rapidly when the vibration wave is transmitted to th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D3/046
Inventor 高斌峰赵永祥牟建业路遥甄慧君尹昭刘洋董星张新蕊董炳寅柴俊虎张仲道杨金龙杨洁
Owner CHINA ZHONGHUA GEOTECHN ENG
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