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METHOD OF ESTIMATING SOIL PROPERTIES AND DEVICE FOR ESTIMATING SOIL PROPERTIES
专利权人:
ISKANDER, KHALIL FAHMY
发明人:
ISKANDER, KHALIL FAHMY
申请号:
EP20110745468
公开号:
EP2563974(B1)
申请日:
2011.04.29
申请国别(地区):
欧洲专利局
年份:
2014
代理人:
摘要:
The invention relates to a device and method consisting in inserting a membrane cell (7) into a borehole in the ground. A pressurised gas is supplied to the cell and the increase in the volume of the cell (7) is subsequently measured as a function of the pressure exerted. A vertical tube (10) located just above the membrane cell (7) is provided with an inclined revolver (8) having a bullet in the form of a hypodermic needle provided with a sensor (5), which is shot into the ground as far as the point of maximum deformation (6) of the membrane cell and close thereto. The interstitial pressure is measured as a function of the pressure exerted and the volume of the membrane cell.
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