On-site measurement device and method for breaking and expanding coefficient of rock

• Main Authors: YAN CHUNLING, LUO YAOWU, CHEN SHANGYUAN, HOU LI, LYU QIAN
• Format: Patent
• Language: Chinese; English
• Published: 14.10.2022
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The invention discloses an on-site measurement device and method for the breaking and swelling coefficient of rock, the device comprises a matched support, a broken stone compaction device and a volume measurement device, the broken stone compaction device and the volume measurement device are connected through a pipeline, an oil pump is arranged on the pipeline, and special oil is contained in the volume measurement device; the gravel compacting device comprises a steel cylinder and a cover plate, a volume measuring scale is arranged on the outer wall of the steel cylinder, the outer diameter of the cover plate is matched with the inner diameter of the steel cylinder, the cover plate covers the steel cylinder from the interior of the steel cylinder, the cover plate can ascend and descend in the steel cylinder, a pressure box is arranged at the inner bottom of the steel cylinder, and a receiver is arranged outside the steel cylinder. The pressure box communicates with the receiver in a wireless mode; the matc