Calibration tank system based on energy-variable dynamic sounding
A technology for dynamic penetration and calibration of tanks, applied in the field of calibration tank systems, can solve the problems of inability to control variables, inconvenience to carry, and bulky potential energy devices, and achieve the effect of shortening the test period, improving the efficiency of sample preparation, and the method is convenient and simple.
Inactive Publication Date: 2018-11-02
INST OF ENG MECHANICS CHINA EARTHQUAKE ADMINISTRATION
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Problems solved by technology
The hammer energy of conventional dynamic penetrating probe is a fixed standard value, and the potential energy device is bulky and not easy to carry. Therefore, a variable energy penetrating penetrating device has appeared
[0004] However, the in-situ test parameters need to be converted into soil parameters, and the establishment of an engineering design method based on in-situ test parameters requires a large amount of in-situ test data and soil parameter data, and the related in-situ test technical, economic and time costs are relatively high High, and cannot control variables, study the effect of a single parameter
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[0043] In order to make the object, technical solution and advantages of the present invention clearer, various embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. However, those of ordinary skill in the art can understand that, in each implementation manner of the present invention, many technical details are provided for readers to better understand the present application. However, even without these technical details and various changes and modifications based on the following implementation modes, the technical solution claimed in each claim of the present application can be realized.
[0044] figure 1 It is a schematic structural diagram of a calibration tank system based on variable energy dynamic sounding according to an embodiment of the present invention.
[0045] Such as figure 1 As shown, the calibration tank system of the present invention based on variable energy power penetrating probe includes:...
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The invention discloses a calibration tank system based on energy-variable dynamic sounding. The calibration tank system comprises an energy-variable dynamic sounding device, a calibration tank, a data collection device and a pressure applying device, wherein the calibration tank comprises an upper part rigid tank, a lower part rigid tank, a rigid top cover with an opening, a pressure loading beamwith a through hole, and connecting units, and the connecting units are used for connecting the upper part rigid tank, the lower part rigid tank and the pressure loading beam; the inner peripheral shapes and sizes of the rigid top cover and the upper part rigid tank are matched, and the rigid top cover can be movably embedded into the upper part rigid tank; the data collection device comprises asoil pressure sensor arranged in the lower part rigid tank; and the pressure applying device comprises a cross-core jack and a hydraulic pump communicated with the cross-core jack, and the cross-corejack is arranged between the pressure loading beam and the rigid top cover.
Description
technical field [0001] The invention relates to the technical field of geotechnical engineering, and more specifically relates to a calibration tank system based on variable energy dynamic penetration testing. Background technique [0002] Because geotechnical parameters are affected by the complex and changeable natural environment and geotechnical parameters will directly affect the quality of engineering design, how to accurately and reasonably determine geotechnical engineering parameters is a key issue in geotechnical engineering. [0003] Geotechnical engineering in-situ testing technology is a technology to directly obtain engineering parameters by conducting tests on natural engineering sites. effective method. Dynamic penetration testing is a technology that uses a heavy hammer of a certain mass to fall freely at a certain distance, and the number of hammering required to drive a standard probe connected to a probe rod into a certain depth in the soil to determine ...
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IPC IPC(8): G01N3/307G01N3/62
CPCG01N3/307G01N3/62G01N2203/0048
Inventor 汪云龙张文彬孙锐
Owner INST OF ENG MECHANICS CHINA EARTHQUAKE ADMINISTRATION