Microwave action rock volume change measuring system

• Main Authors: WANG XUAN, WANG JUN, WEN XIANGYUE, YANG ZHAOYING, YANG BENGAO, GAO MINGZHONG
• Format: Patent
• Language: Chinese; English
• Published: 23.11.2021
• Subjects: MEASURING; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS; PHYSICS; TESTING

The utility model provides a microwave action rock volume change measuring system. The microwave action rock volume change measuring system comprises a test cavity, a microwave control device, a strain measuring device, a measuring circuit and a resistance strain gauge, the test cavity is of a sealed cavity structure, and a rock test piece is placed in the test cavity; the microwave control device is arranged in the test cavity; the strain measuring device comprises an annular strain gauge and an axial strain gauge, and is attached to the surface of the rock test piece; the measuring circuit is connected with the plurality of strain measuring devices through leads, and the resistance strain gauge is connected with the measuring circuit. After microwaves emitted by the microwave control device act on the rock test piece, data acquisition is carried out on the rock test piece through a plurality of annular strain gauges and axial strain gauges attached to the surface of the rock test piece, and the volume chang