Coal Geology & Exploration
Volume 51, Issue 8 (2023)
Table of Contents
Table of Contents
The Editors
Gas Precision Detection
Research advances on the in-situ pressure-preserved coring and gas parameter determination for deep coal seams
XIE Heping, CUI Pengfei, SHANG Delei, FAN Dong, CHEN Ling, YANG Mingqing, DU Lin, and GAO Mingzhong
Principle and technology of in-situ magnetically controlled multidirectional pressure-preserved coring in the coal mine
LIU Guikang, LI Cong, YOU Zhenxi, HU Yunqi, HUANG Wei, WANG Ruize, and XU Meng
Simulation optimization and applications of pressure-preserved triggering device for coring in deep coal mines
SHI Xiaojun, LI Minghui, LIU Guikang, YOU Zhenxi, GUO Lihua, HOU Lele, and ZHAO Xiang
Physical and mechanical properties of thermal insulation materials for in-situ temperature-preserved coring of deep rocks
XUE Shouning, HE Zhiqiang, LI Cong, YU Bo, LU Xuelian, LIU Wenyue, YANG Jianping, and WEI Zijie
R&D and experimental research of pressure-preserved triggering device for horizontal pressure-preserved coring in coal mines
HUANG Wei, CHEN Ling, LI Jianan, FAN Dong, YANG Mingqing, LIU Guikang, XU Qing, and MA Changliang
Development of self-locking transfer mechanism for coal samples from pressure-preserved coring in deep mining
ZHU Pengfei, LI Jianan, LI Ju, FU Chenghang, and YE Banghua
A preliminary study of pressure-preserved coring calculation principle and method for in-situ pressure in deep coal seams
CUI Pengfei, GAO Mingzhong, SHANG Delei, LI Jianhua, CHU Peng, SONG Jie, LI Yongcheng, and HAO Haichun
Influence of gas components on the determination of gas pressure in coal seams under in-situ pressure-preserved coring
CHU Peng, SHANG Delei, LI Jianhua, MA Shaoming, ZHU Guodong, and CUI Pengfei
Sealing performance analysis and structure optimization of pressure-preserved controller for pressure-preserved coring in deep coal mine
WANG Tianyu, LI Jianan, ZHANG Yiwei, LI Ju, and XIE Heping
Closure trajectory model of pressure-preserved controller for coring in coal seam surface well
GUO Da, ZHANG Yiwei, WANG Dingming, FANG Xin, YANG Bengao, GUO Lihua, HOU Lele, and ZHAO Xiang
Gas Disaster Prevention and Control
Fractal theory-based permeability model of fracture networks in coals
XIA Binwei, LIAO Chuanbin, LUO Yafei, and JI Kainan
Pressure relief mechanisms and effects of liberation seam mining in 1000-m-deep coal mines: A case study of the Huafeng coal mine in Tai’an, China
GAO Yanan, ZHANG Yao, ZHANG Defei, ZHANG Yudong, ZHAO Weidong, and YU Liyuan
Exploring the wetting mechanism of surfactants for coals based on molecular simulations
TONG Yanjun, YANG Zundong, SONG Jie, LI Yongcheng, and LIU Yiting
Stimulation effect of pulsed ultrasonic excitation on coal pores with full-scale pore sizes
LIN Haifei, QIU Yue, HAN Shuangze, GAO Haidong, YANG Erhao, WANG Ruizhe, and YAN Min
Mining-induced shear deformation and permeability evolution law of crushed rock mass in fault zone
LI Qiang, MA Dan, ZHANG Jixiong, LIU Yong, and HOU Wentao
A method for classification of surrounding rock based on the excavatability performance and adaptability of tunnel boring machines and its applications
LIU Jiawei, ZHANG Sheng, CHEN Zhao, YANG Zhanbiao, JI Panjun, and WEI Yonghui
Drillability and mechanical parameters of laser hot cracking sandstones
YANG Lei, YANG Bengao, LIU Junjun, ZHOU Xuemin, XIE Jing, WANG Chen, GUO Chenchen, and GAO Mingzhong
