LIU Chenyao, YAN Qixiang, SUN Runfang… - Hydrogeology & …, 2024 - swdzgcdz.com
During the construction of karst tunnel, it is difficult to avoid approaching the cavern, even high pressure water cavern. Water inrush damage very easily causes safety accidents and …
Since the cone-shaped and square-mouth discharge hopper suffers the problems of blanking, leveling and accumulating, a new discharge hopper by changing the flow velocity …