公开(公告)号：US12188339B2

公开(公告)日：2025-01-07

申请号：US18636666

申请日：2024-04-16

Applicant: CHINA UNIVERSITY OF MINING AND TECHNOLOGY

Inventor： Dan Ma ,  Qiang Li ,  Wentao Hou ,  Zhenhua Li ,  Yuanbo Xue ,  Xuefeng Gao ,  Kuirun Zhang ,  Weihao Huang ,  Zaixing Zu ,  Hao Wu ,  Hao Yan

IPC: E21B43/114 ,  E21B4/02 ,  E21B43/26

Abstract: Disclosed are a hydraulic fracturing and cutting cooperative device suitable for a hard rock and a use method thereof, belonging to the technical field of high-efficiency and rapid excavation of hard rock roadway (tunnel). The hydraulic fracturing and cutting cooperative device suitable for a hard rock provided by the disclosure includes a drill pipe, a pneumatic drilling system, a hydraulic fracturing system, a collaborative control system and a cutting head.

公开(公告)号：US12071375B1

公开(公告)日：2024-08-27

申请号：US18610411

申请日：2024-03-20

Applicant: CHINA UNIVERSITY OF MINING AND TECHNOLOGY ,  JIANGSU RESEARCH INSTITUTE OF BUILDING SCIENCE CO., LTD. ,  JIANGSU SOBUTE NEW MATERIALS CO., LTD.

Inventor： Jiangyu Wu ,  Dan Ma ,  Hao Zhang ,  Qian Yin ,  Shuo Yang ,  Wen Xu ,  Gaofang Zhu ,  Zhenhua Li ,  Qingbin Meng ,  Bo Meng ,  Hongwen Jing ,  Jinpeng Dai

IPC: E21F15/00 ,  C04B20/00 ,  C04B111/00 ,  C04B111/20

CPC classification number: C04B20/0008 ,  C04B2111/00724 ,  C04B2111/2038

Abstract: The present disclosure provides a cemented filling material with bionic structure, a preparation method and an application thereof, and belongs to the field of structural modification methods of cemented filling materials and research and development of civil materials with ultra-high energy absorption characteristics. The cemented filling material with bionic structure includes a bionic honeycomb skeleton and cemented filling slurry, where the cemented filling slurry is poured in the bionic honeycomb skeleton.