Water-sand two-phase seepage testing device for broken rock

• Main Authors: CHEN ZHANQING, CAI ZHONGBING, HAN YU, WANG LUZHEN, GU GUOQING, LI QIANG, KONG HAILING, YU BANGYONG
• Format: Patent
• Language: Chinese; English
• Published: 01.06.2016
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The invention provides a water-sand two-phase seepage testing device for broken rock. The testing device comprises a loading frame, a permeameter, a first hydraulic control system and a second hydraulic control system, wherein the first hydraulic control system comprises a double-action hydraulic cylinder, a first branched circuit and a second branched circuit, the first branched circuit comprises a first stop valve, a first reversing valve, a first quantitative plunger pump and a first motor which are connected sequentially, the second branched circuit comprises a second stop valve, a second reversing valve, a second quantitative plunger pump and a second motor which are sequentially connected, and the piston rod of the double-action hydraulic cylinder is connected with the permeameter; and the second hydraulic control system comprises a single-action hydraulic cylinder and a third stop valve, and the piston rod of the single-action hydraulic cylinder is connected with the permeameter. According to the testi