Testing device and testing method for simulating layered destruction of surrounding rock

• Main Authors: LI RIYUN, CHEN WEI, ZHANG WENTAO, LI ZHEN, SUN CHANGXIN, DU PENGZHAO, XU RONGCHAO, ZHANG SHENGZHE, ZOU MINGJUN, MENG FANZHEN, YOU HUIJIE, ZHAO YANG
• Format: Patent
• Language: Chinese; English
• Published: 22.09.2020
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The invention discloses a testing device for simulating layered destruction of surrounding rock. The device comprises a cylindrical rod, a bearing table and a cuboid sample arranged on the bearing table, wherein a sample through hole is formed in the axial center of the cuboid sample; a bearing table through hole is formed in the bearing table in the axial center of the bearing table; the cylindrical rod penetrates through the sample through hole and the bearing table through hole, the two ends of the cylindrical rod protrude out of the sample through hole and the bearing table through hole respectively, the cylindrical rod is in contact fit with the bearing table, the cylindrical rod is in clearance fit with the cuboid sample, and a gap formed by the cylindrical rod and the cuboid sampleis filled with concrete. The device is simple in structure. According to the testing method adopting the device, the occurrence rule and mechanism research of layered destruction of the surrounding rock can be completed indoo