Results 61 to 70 of about 228 (134)

Construction method of a transparent tunneling geological navigation system based on integrated borehole geophysical exploration

Meitan kexue jishu
Accurate acquisition of advanced geological information and experience-based decision-making remain major challenges for intelligent coal mine excavation. This study proposes a construction method for a transparent excavation geological navigation system
Tao FAN, Zaibin LIU, Jianyuan CHENG, Wei LI, Yue HAO, Zhenhua DAI, Xiaofeng DUAN, Wenming LIU, Guihong LI, Yaoquan GAO   +9 more
doaj   +1 more source

Identifying the lithologies and thicknesses of coal seam roofs and floors based on multiparameter logging of boreholes

Meitian dizhi yu kantan
BackgroundIn the process of coal mining, effective exploration methods for stratigraphic characteristics are crucial to underground operations. The reason is that the accurate stratigraphic characteristics of coal seams, along with the surrounding rocks ...
Zhe LI, Baobin GAO, Wenjie LEI, Donghui LI, Zixin LI   +4 more
doaj   +1 more source

Study on the Influencing Factors of Direct Current Dipole Array for Tunnel Advance Detection and Its Application

IEEE Access
The direct current resistivity method is a primary technique for detecting water-bearing structures ahead of tunnel and coal mine excavation faces. We propose a dipole array advance detection device based on the DC method, and quantified the advance ...
Xiaozhen Teng, Jianhua Yue, Shuanggui Hu, Chao Sun, Kailiang Lu, Herui Zhang, Danyang Xi   +6 more
doaj   +1 more source

Self-adaptive inverse wavefield transform and derived pseudo-wavefield characteristics under roadway-borehole observation of transient electromagnetic data

Meitian dizhi yu kantan
Objective To address the challenge of detecting aquifers outside the roadway excavation contour, this study combined the close-range detection via roadway-borehole transient electromagnetic (TEM) method with the wavefield transform.
Kerui FAN, Jianlei GUO, Ruoyu WANG, Ming ZHUANG, Fangze FAN, Sheng XU, Wentao ZHAO   +6 more
doaj   +1 more source

The Principle and Downhole Testing of Water Injection Exploration in Depleted Reservoirs

Applied Sciences
Coal mine water hazards are one of the five major natural disasters in mines, and water in depleted areas is the most serious form of water hazard causing casualties.
Jinpeng Xu, Hui Zhao, Bing Dong, Yi Li, Chuang Wang   +4 more
doaj   +1 more source

Field experiment on hydraulic channel sealing via grouting to prevent groundwater pollution in karst region

Carsologica Sinica
The karst regions in Southwest China are characterized by intense karstification, complex hydrogeological conditions, and well-developed karst conduits with pronounced spatial heterogeneity. These factors contribute to the inherent vulnerability of karst
Zhihao JI, Shiwan CHEN, Jiaoji WU, Huiyun YU, Pan WU, Lanjian MA   +5 more
doaj   +1 more source

Exploration and 3D visualization of leakage channels of tailings ponds in karst regions：A case study of Zhatang Tailings Pond in Guiyang City

Carsologica Sinica
Karst regions are rich in mineral resources, and tailings ponds-essential facilities for maintaining normal production in mining enterprises-are often inevitably constructed on carbonate formations in these areas.
Lanjian MA, Shiwan CHEN, Liangjun CAI, Yongfei LUO, Jianzhang LI, Zhihao JI, Weijun LONG, Hai XIONG, Lang TIAN, Pan WU   +9 more
doaj   +1 more source

Transparent prevention and control system for water hazards in mine floors under empowerment based on spatiotemporal information fusion

Meitian dizhi yu kantan
BackgroundWater hazards in coal mines frequently cause heavy casualties, severely affecting the safe mining of coal mines. MethodsWith the continuous advancements in both the construction of real scene 3D views and coal mine intelligentization, this ...
Zaibin LIU, Junsheng YAN, Jianghong WANG, Yaoquan GAO, Hui YANG, Baojun BAI, Jingjin LU, Hongwei WANG, Gang WANG   +8 more
doaj   +1 more source

Three-dimensional, collaborative detection approach for fire zones in shallowly buried coal seams and its application

Meitian dizhi yu kantan
ObjectiveFire zones in shallowly buried coal seams have long restricted safe and efficient coal mining due to their considerably hidden and hazardous nature.
Kaixiang FAN, Xiangming HU, Haibo HONG, Hao DONG, Shijian YU, Zhengrong WEI, Yongxiang GUO   +6 more
doaj   +1 more source

Application of Comprehensive Geophysical Methods in the Exploration of Fire Area No. 1 in the Miaoergou Coal Field, Xinjiang

Applied Sciences
Coal spontaneous combustion in arid regions poses severe threats to both ecological security and resource sustainability. Focusing on the detection challenges in Fire Zone No.
Xinzhong Zhan, Haiyan Yang, Bowen Zhang, Jinlong Liu, Yingying Zhang, Fuhao Li   +5 more
doaj   +1 more source