| 摘要 |
PROBLEM TO BE SOLVED: To provide a device and method for collecting soil samples for sampling foot protection improved soil (unconsolidated soil). SOLUTION: The sampling device 2 of soil samples includes: a cylinder case 5, namely a vessel for collecting soil samples; a lower elevation guide rail member 4 mounted to the lower end of the cylinder case 5 for collecting soil samples; an upper piston 6 and a lower piston 7 elevating inside the cylinder case 5 for collecting soil samples; a linear actuator 8; a lock cancelLation input member 9 provided in an output rod 8b projecting to the lower part of the lower piston 7; a lock cancelLation instruction member 15 provided in an arrangement cooperating with the descended lock cancelLation input member 9; an upper frame 12 disposed at the upper surface section of the upper piston 6; a drive energy source section 16 disposed inside the upper frame 12; and a lock member 14 installed on a lower surface of the lower piston 7. The sampling device 2 is lowered into a pre-bored pile hole 3 to collect samples. COPYRIGHT: (C)2011,JPO&INPIT
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