Results 71 to 80 of about 292 (159)

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

Design and analysis of wideband antennas for borehole and surface ground penetrating radars: Application to soil moisture content measurements

, 2010
In civil engineering, the non destructive sounding of underground infrastructures (embankment, roads, bridges…) allows to monitor the structural integrity or adequacy during construction, and the detection of degradations of construction materials ...
Froumentin, Michel, Sagnard, Florence, Rejiba, Fayçal   +2 more
core   +3 more sources

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

Applying of the transient electromagnetic method to exploration of oil and gas fields in the area of Grabownica Starzeńska - Humniska - Brzozów

, 2011
W pracy przedstawiono charakterystykę geologiczną i geoelektryczną ośrodka geologicznego w rejonie Grabownica Starzeńska - Humniska - Brzozów w Karpatach Wschodnich na podstawie danych elektrometrii otworowej i danych geologicznych z otworów.
Klityński, W., Targosz, P.
core   +2 more sources

Study on the Method of Advanced Water Prediction for Underground Mine Expansion Using the Transient Electromagnetic Method and the Field Test: A Case Study of the Huize Lead–Zinc Mine

Mine water disaster is one of the main natural disasters in underground mining operations, and seriously threatens the safety of mine production and personnel’s life, affecting mine safety and sustainable development. The research on the prevention
Ticai Hu, Hongliang Wang, Dajin Liu, Zhouhong Ren, Ronghui Xia, Lihui Han, Shichong Yuan   +6 more
core   +1 more source

Landslide Investigation Using Transient Electromagnetic Method (TEM): A Case Study on Al-Ja'ydyya- Salhuob Landslide / Jordan

, 2017
In this study, Transient Electromagnetic (TEM) geophysical method was used at Al-Ja'ydyya- Salhuob landslide located along Amman- Irbid - Jerash highway aiming at investigating the subsurface layering's, thicknesses and to map the subsurface failure ...
Al-Amoush, Hani
core  

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