Percussion sampler to obtain undisturbed soils at the shallow depth layer and sampling method using this sampler

摘要

PURPOSE: A sampler for an undistributed sample and a sampling method using the same are provided to collect a sample maintaining a ground condition regardless of the rigidity requirements of a soil layer. CONSTITUTION: A sampler for an undistributed sample comprises a sampling tube(500), a striking plate(400), and a rammer. The striking plate inserts the sampling tube into a soil layer by applying striking power to the sampling tube. The striking plate comprises a taper portion and a guide track. The taper portion is inserted into the sampling tube, and comprises a holding portion. The holding portion holds a spanner to easily connect the striking plate and the sampling tube. The guide track is inserted into an upper part of the sampling tube, and covers the sampling tube. The rammer is inserted into a groove formed in the upper part of the striking plate, and connected with a screw.