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.
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[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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