Blasting and shearing coupled soft rock shearing box and test method thereof

• Main Authors: MA LIYAO, TANG QI, CUI ANENG, WANG JIE, DING JING, CHANG SHUXIANG, LI JING, CUI KAI, WEI ERJIAN, HU BIN, PENG RUIBO
• Format: Patent
• Language: Chinese; English
• Published: 18.08.2020
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The invention relates to a blasting and shearing coupled soft rock shearing box and a test method thereof. The shearing box is provided with an upper shearing box body and a lower shearing box body; acavity for placing a rock sample is formed in the center of the shearing box, a chuck steel ring is arranged in the upper shearing box body, 6-10 flat-column-shaped grooves are uniformly distributedin the edge of the upper shearing box body, the blasting discs are arranged in the flat-column-shaped grooves and can rotate in the flat-column-shaped grooves by taking the chuck steel ring as an axis, and a powder tube hole is formed in the blasting disc and used for mounting a powder tube cap; and the lower shearing box body is joggled on the sliding rolling row. The test method comprises the following steps: constructing a test system; preparing a sample; filling explosives into the explosive charging test tubes according to different test schemes; pushing the shearing box to a preset station; detonating explosives