Device and method for monitoring micro structure changes of sand soil medium under seepage effect
A technology of mesostructure and monitoring device, which is applied in the fields of geotechnical engineering and hydraulic engineering, can solve the problems of inability to monitor the microstructure changes of sand medium in real time and non-destructively, and achieve the effect of non-destructive real-time detection and non-destructive monitoring.
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[0031] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments, but the present invention is not limited to these embodiments.
[0032] The monitoring device of the present invention is as figure 1 As shown, it includes a nuclear magnetic resonance analysis and imaging system and a seepage system. The nuclear magnetic resonance analysis and imaging system 7 includes a nuclear magnetic resonance signal acquisition system 8, a gradient device 3, a temperature control device 4 and a signal transmitting device 2. The seepage system includes a water tank 1, a test Fixing device, sample filling device 9 , pressure measuring tube 6 and measuring cylinder 10 . The sample filling device 9 is located in the nuclear magnetic resonance signal acquisition system 8, and there is a fixed device in the nuclear magnetic resonance signal acquisition system to ensure that the sample filling device does not move. One e...
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