Formation Mechanism and Reduction Technology of Mining-Induced Fissures in Shallow Thick Coal Seam Mining

by Jianwei Li, Changyou Liu
Published 2017-01-01

Analysis and Application on Controlling Thick Hard Roof Caving with Deep-Hole Position Presplitting Blasting

by Baobao Chen, Changyou Liu
Published 2018-01-01

Determination of fracture location of double-sided directional fracturing pressure relief for hard roof of large upper goaf-side coal pillars

by Jiangwei Liu, Changyou Liu, Xuehua Li
Published 2020-01-01

Mechanisms of Crack Initiation and Propagation in Dense Linear Multihole Directional Hydraulic Fracturing

by Jiangwei Liu, Changyou Liu, Qiangling Yao
Published 2019-01-01

Application of Confined Blasting in Water-Filled Deep Holes to Control Strong Rock Pressure in Hard Rock Mines

by Jingxuan Yang, Changyou Liu, Bin Yu
Published 2017-11-01

A Case Study of Presplitting Blasting Parameters of Hard and Massive Roof Based on the Interaction between Support and Overlying Strata

by Ningbo Zhang, Changyou Liu, Baobao Chen
Published 2018-05-01

Effects of caving–mining ratio on the coal and waste rocks gangue flows and the amount of cyclically caved coal in fully mechanized mining of super-thick coal seams

by Ningbo Zhang, Changyou Liu, Mengsong Pei
Published 2015-01-01

Design and Application of Blasting Parameters for Presplitting Hard Roof with the Aid of Empty-Hole Effect

by Baobao Chen, Changyou Liu, Jingxuan Yang
Published 2018-01-01

Dynamic Changes in Surface Damage Induced by High-Intensity Mining of Shallow, Thick Coal Seams in Gully Areas

by Jianwei Li, Xintian Li, Changyou Liu, Xiangye Wu
Published 2020-01-01

Dynamic Random Arching in the Flow Field of Top-Coal Caving Mining

by Ningbo Zhang, Changyou Liu, Xiaojie Wu, Tingxiang Ren
Published 2018-05-01

Mechanism of Support Optimization and Confined Blasting of Thick and Hard Rock with a Wedge-Structure Immediate Roof: A Case Study

by Tong Zhao, Peilin Gong, Kaan Yetilmezsoy, Majid Bahramian, Changyou Liu, Xiaofei Gong
Published 2021-01-01

Optical Observation of Striations in Y₂Ti₂O₇ Single Crystals

by Changyou Liu, Antoni Dabkowski, Wanqi Jie, Bruce D. Gaulin, Hanna A. Dabkowska
Published 2019-05-01