公开(公告)号：US20250012689A1

公开(公告)日：2025-01-09

申请号：US18452729

申请日：2023-08-21

Applicant: CHINA UNIVERSITY OF MINING AND TECHNOLOGY

Inventor： Liyuan YU ,  Minghe JU ,  Baoshan YAO ,  Lihua HU ,  Mingwei ZHANG ,  Zejun TAO ,  Zichen YUAN ,  Xiaoxiao SU

IPC: G01N3/24

Abstract: A constant-speed dynamic direct-shear test system and a test method for a rock mass structural plane are provided in the disclosure; the system includes a bearing frame, a loading frame, a horizontal loading device, a normal loading device, an oil supply device and a digital controller; a shear box is arranged in the loading frame, and the loading frame is fixedly connected with a top surface of one end of the bearing frame; the oil supply device and the horizontal loading device are controlled by the digital controller and output shearing force, the normal loading device is arranged on the loading frame and provides normal force to the shear box.

公开(公告)号：US20250058973A1

公开(公告)日：2025-02-20

申请号：US18506403

申请日：2023-11-10

Applicant: CHINA UNIVERSITY OF MINING AND TECHNOLOGY

Inventor： Liyuan YU ,  Bowen HU ,  Rui SUN ,  Xianzhen MI ,  Shuchen LI ,  Haijian SU ,  Wei LI ,  Chao WEI ,  Tao ZHANG

IPC: B65G5/00

Abstract: The disclosure belongs to the field of underground energy storage, and particularly provides a large-deformation underground energy storage device, including a body. The body includes a rubber sealing layer, a negative Poisson's ratio material layer, a large deformation concrete layer and rock layers sequentially nested from inside to outside; an internal storage space is formed in the rubber sealing layer, the negative Poisson's ratio material layer includes a plurality of negative Poisson's ratio material elements connected in sequence, and the large deformation concrete layer is cast from deformable concrete.