公开(公告)号：US11085860B2

公开(公告)日：2021-08-10

申请号：US16617486

申请日：2018-03-20

Applicant: CHINA UNIVERSITY OF MINING AND TECHNOLOGY

Inventor： Shengqi Yang ,  Wenling Tian ,  Pengfei Yin ,  Xiangru Liu ,  Sen Wen

IPC: G01N3/08 ,  G01N3/12 ,  G01N3/02

Abstract: A sealing pressing head for a conventional triaxial test of cuboid rocks with pre-existing fissures, and a test method, the sealing pressing head comprising an upper pressing head (14) and a lower pressing head (15); the upper pressing head (14) and the lower pressing head (15) are respectively used for being provided at upper and lower ends of a test sample (10); the upper pressing head (14) comprises a circular portion (2) and a square portion (1) which are provided in sequence from top to bottom; and the lower pressing head (15) comprises a square portion (1), a circular portion (2) and a threaded portion (3) which are provided in sequence from top to bottom.