The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 14, 2018
Filed:
Oct. 12, 2015
Sichuan University, Chengdu, CN;
Jianfeng Liu, Chengdu, CN;
Heping Xie, Chengdu, CN;
Jianhui Deng, Chengdu, CN;
Lu Wang, Chengdu, CN;
Jianliang Pei, Chengdu, CN;
Yong Xiang, Chengdu, CN;
Linrui Li, Chengdu, CN;
Yu Bian, Chengdu, CN;
Huining Xu, Chengdu, CN;
Zhiwei Zhou, Chengdu, CN;
SICHUAN UNIVERSITY, Chengdu, CN;
Abstract
A rock specimen, including a rock body. The rock body includes: an upper part, an upper end face, a first circular groove, a first cylinder, a first circular body, a lower part, a lower end face, a second circular groove, a second cylinder, and a second circular body. The first circular groove is disposed on the upper end face of the rock body and has a circle center coinciding with a center of the upper end face. A method for testing pure shear of the rock specimen, includes: 1) disposing the rock specimen on a test bench of a rock mechanics testing system, allowing the end face of the second circular body to contact the test bench; and 2) operating the rock mechanics testing system, loading a pressure on the rock specimen via the end face of the first cylinder and the end face of the second circular body.