Method for determining soil permeability coefficient on basis of piezocone sounding
A technology of pore pressure static penetration and permeability coefficient, which is applied in the field of foundation soil survey, foundation structure engineering, construction, etc., and can solve the problems of large stratum difference, difficult direct application, and large soil sample disturbance.
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[0059] Example:
[0060] In this example, the results of the pore pressure static penetration test are used to illustrate the method for determining the permeability coefficient of the soil body in the pore pressure static penetration test. The operations that are not specially described in this embodiment are carried out with reference to the methods already given in the content of the invention. I won't go into details here.
[0061] This embodiment is specifically described as follows:
[0062] A pore pressure static penetration test site is located in Shanghai. According to the pore pressure static penetration test report, the pore pressure static penetration test hole is located at the bottom of the Huangpu River. The groundwater level is 5.85m higher than the orifice, and the hole depth is 35.7m. The radius of the cone head used in the pore pressure static probe is 0.02185m, and the penetration speed is 0.02m / s.
[0063] The first step is to determine the relevant para...
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