Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
針貫入試験装置および針貫入試験方法
Document Type and Number:
Japanese Patent JP7351798
Kind Code:
B2
Abstract:
To provide a device and a method for testing a needle penetration that allow a quantitative measurement to be done without causing variations in the rate or in the angle of a needle penetration, and that also allow a measurement to be done on one sample in more than one point.SOLUTION: The present invention relates to a needle penetration test device 1 and a method for testing a needle penetration using the device 1, the device including: an attachment mechanism 3 attached to a side of a columnar sample 2; and a penetration mechanism 4 provided to the attachment mechanism 3. The penetration mechanism 4 includes: a penetration needle 43, which can go ahead or go back; and measurement means for measuring a penetration resistance load and a penetration depth when the penetration needle 43 penetrates the sample 2.SELECTED DRAWING: Figure 1

Inventors:
Hiroyasu Ishii
Makiko Kobayashi
Application Number:
JP2020101568A
Publication Date:
September 27, 2023
Filing Date:
June 11, 2020
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Taisei Corporation
International Classes:
G01N3/40; E02D1/08
Domestic Patent References:
JP2020003335A
JP10090150A
JP63300964A
JP2013088277A
JP8094612A
JP2020020181A
Foreign References:
US20180010987
Other References:
藤本哲生,上載圧下で養生したセメント安定処理土の強度発現に及ぼす排水距離の影響,公益社団法人地盤工学会中国支部論文報告集, 地盤と建設,2020年,Vol. 38, No. 1,pp.99-104
Attorney, Agent or Firm:
Patent Attorney Corporation Isono International Patent and Trademark Office