Title:
サンプリング方法及びサンプリング装置
Document Type and Number:
Japanese Patent JP6868263
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a sampling method capable of performing sampling with respect to soil property in a wide range from soft soil property to hard soil property with little disturbance in soil property, which can be applied even to a large depth or a large water depth.SOLUTION: A sampling method includes collecting a soil sample from the ground by advancing a sampling tube 3 from an outer tube 2 into which the sampling tube 3 is inserted in a state that the outer tube 2 is connected to a boring rod 9. A cylinder chamber 7 in a closed room state is provided between the outer tube 2 and the sampling tube 3. An explosive 8 is exploded in the cylinder chamber 7, and the sampling tube 3 is advanced by a gas pressure generated through explosion.SELECTED DRAWING: Figure 1
Inventors:
Shibata East
Ken Oka
Fujiwara Hideyo
Nakayama Takumi
Ken Oka
Fujiwara Hideyo
Nakayama Takumi
Application Number:
JP2016226486A
Publication Date:
May 12, 2021
Filing Date:
November 22, 2016
Export Citation:
Assignee:
Mining Industry Co., Ltd.
International Classes:
E02D1/04; G01N1/08
Domestic Patent References:
| JP2012122239A | ||||
| JP63035911A | ||||
| JP55092796U | ||||
| JP61109894A | ||||
| JP11043930A |
Foreign References:
| US4418770 |
Attorney, Agent or Firm:
Kyosei International Patent Office