Ultrasonic vibration device used for vacuum preloading testing

A vibration device and ultrasonic technology are applied in the testing of basic structures, soil protection, construction, etc., which can solve problems such as clogging of drainage plates, and achieve the effects of small soil disturbance, stable and uniform power output, and low noise.

Pending Publication Date: 2018-08-14
TIANJIN UNIV
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  • Abstract
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  • Claims
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Problems solved by technology

[0005] Although a variety of improved vacuum preloading methods can improve the soil reinforcement effect to a certain extent, the defects of the vacuum preloading method itself cannot be completely avoided, especially the problem of drainage board silting, which needs to be further researched and developed.

Method used

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  • Ultrasonic vibration device used for vacuum preloading testing
  • Ultrasonic vibration device used for vacuum preloading testing

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Embodiment Construction

[0015] The present invention will be described below in conjunction with the accompanying drawings and embodiments.

[0016] see figure 1 with figure 2 , the present invention provides a kind of ultrasonic vibrating device that is used in vacuum preloading test system, concrete test system connection comprises, adds test soil sample 16 in plexiglass model box 6, inserts ultrasonic vibration drainage plate (drainage plate 16) in soil sample combined with the ultrasonic transducer 2), one end of the ultrasonic vibration drainage plate is connected to the ultrasonic generator 9 with a switch 10 through the data signal line 7, and the other end is connected to the drainage plate connected to the steel wire hose 8-steel wire hose conversion The joint 3 is connected; a layer of non-woven geotextile 4 is first laid on the top of the test soil sample, and a layer of sealing film 5 is laid on the top of the non-woven geotextile 4; 11 is connected, and the water-gas separation tank i...

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Abstract

The invention relates to an ultrasonic vibration device used for vacuum preloading testing. The ultrasonic vibration device is used for a vacuum preloading testing system with a drain board, and the ultrasonic vibration device is characterized in that the ultrasonic vibration device comprises an ultrasonic generator and an ultrasonic transducer, the ultrasonic transducer is fixed to the drain board of the vacuum preloading testing system, and the ultrasonic generator is connected with the ultrasonic transducer. By means of the ultrasonic vibration device, clogging of the drain board can be effectively prevented, the vacuum preloading drainage consolidation rate is improved, pore water pressure dissipating is accelerated, and the soil stabilization effect is improved.

Description

technical field [0001] The invention relates to an ultrasonic vibration vacuum preloading test system. Background technique [0002] With the large-scale development and construction of public transportation infrastructure, the demand for land resources in densely populated coastal areas is increasing. The shortage of land resources has seriously affected and hindered the development of urbanization, and it is also a key issue restricting the development of coastal resources. . Many countries and regions have solved this problem by reclamation of the sea, and the vacuum preloading method is one of the main methods of soft soil or ultra-soft soil foundation treatment. The conventional vacuum preloading method is to lay a plastic drainage board in the soft soil foundation as a vertical drainage channel, then lay a sand cushion of a certain thickness on the surface of the foundation, and lay a drainage filter pipe in the sand cushion, and then seal the membrane Laying on the ...

Claims

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Application Information

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IPC IPC(8): E02D33/00E02D3/10
CPCE02D3/10E02D33/00
Inventor 雷华阳胡垚刘景锦祁子洋娄金峰
Owner TIANJIN UNIV
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