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Chuan Li, Haichun Wang, Yunsheng Wang, Lulu Wang, Xi Yang and Xiaorong Wan
Fracture zones in front of tunnel faces can easily cause falling blocks and landslides during the construction process. Using seismic waves and ground-penetrating radar (GPR) data, we extracted the features of fracture zones and achieved the advanced pre...
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Xiaokai Li, Xiaolong Zhang, Faming Zhang, Jian Huang, Shixiong Tang and Zhiqing Liu
The mountainous areas of Southwest China have the characteristics of valley deep-cutting, a large topographic gradient, complex geological structures, etc. With the development of infrastructure construction in the area, the construction of bridges acros...
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Despina Kalisperi, Maria Kouli, Filippos Vallianatos, Pantelis Soupios, Stephen Kershaw and Nikos Lydakis-Simantiris
Seawater intrusion into near-shore aquifers is one of the main environmental problems that affect Mediterranean islands. Crete is the biggest and most populated island of Greece, characterized by limited surface waters and strong dependence on groundwate...
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Johanne Klee, Arezki Chabani, Béatrice A. Ledésert, Sébastien Potel, Ronan L. Hébert and Ghislain Trullenque
Fracture connectivity within fractured granitic basement geothermal reservoirs is an important factor controlling their permeability. This study aims to improve the understanding of fluid?rock interaction processes at low to moderate regional strain. The...
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Henrik Drake, Magnus Ivarsson, Mikael Tillberg, Martin J. Whitehouse and Ellen Kooijman
Recent studies reveal that organisms from all three domains of life—Archaea, Bacteria, and even Eukarya—can thrive under energy-poor, dark, and anoxic conditions at large depths in the fractured crystalline continental crust. There is a need ...
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Jinjun Li, Zhihao He, Chunde Piao, Weiqi Chi and Yi Lu
The development height and settlement prediction of water-conducting fracture zones caused by coal seam mining play an important role in the stability of overburden aquifers and the safety of roadways. Based on the engineering geological data of the J60 ...
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Alvaro Puig,Sergio Diaz,Lucia Cuitino
Pág. 57 - 82
Resumen. Los yacimientos epitermales El Guanaco (Au, Cu), Cachinal de La Sierra (Ag) y El Soldado (Ag), ubicados entre 24°52'-25°06' y 69°32'W, estan geneticamente relacionados con un sistema de calderas anidadas del Paleoceno-Eoceno Inferior. Las rocas ...
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Toni Utech, Tobias Neef, Viktor Mechtcherine and Christina Scheffler
Nature provides various templates for integrating organic and inorganic materials to create high-performance composites. Biological structures such as nacre and the structural elements of the glass sponge are built up in layers, leading to remarkable fra...
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Jianglin He, Jian Wang, Qian Yu, Chaojie Cheng and Harald Milsch
The permeability characteristics of natural fracture systems are crucial to the production potential of shale gas wells. To investigate the permeability behavior of a regional fault that is located within the Wufeng Formation, China, the gas permeability...
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Béatrice A. Ledésert and Ronan L. Hébert
The Upper Rhine Graben (URG) hosts thermal anomalies that account for the development of oil fields. Recently, a geothermal power plant has been installed in this area. Data obtained in this framework provide an insight into the temperature distribution ...
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Serpentinites are characterized by highly variable mineralogical, physical, and mechanical properties. Serpentinites from Moeche (North Western Spain) have been studied to establish their mineralogical, petrographic, and textural characteristics, as well...
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Hanna Miettinen, Malin Bomberg and Minna Vikman
Crystalline bedrock has been chosen for deep geologic long-term storage of used nuclear fuel in Finland. The risks generated by the deep subsurface microbial communities in these disposal sites need to be well characterised in advance to ensure safety. D...
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Mikhail Lukin, Evgeny Prusov, Svetlana Roshchina, Maria Karelina and Nikolay Vatin
Wooden multi-span beams with steel reinforcement were studied experimentally on a stationary stand using an eight-point loading scheme that simulated a load uniformly distributed over the beam span. The studies were carried out on beams with a span of 4....
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Isabel Pérez-Martínez,Ruth Esther Villanueva-Estrada,Augusto Antonio Rodríguez-Díaz,Carles Canet,Rocío García,José Alfredo Ramos-Leal,Donají García,Jaziel Froylan Cambrón
Pág. 496 - 513
The Araró-Simirao geothermal system is located in the southeastern part of the Cuitzeo Lake depression, in the central part of the TransMexican Volcanic Belt (TMVB) province. It is a convective hydrothermal system dominated by sodium chloride water and h...
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Tivadar M. Tóth, László Molnár, Sándor Körmös, Nóra Czirbus and Félix Schubert
Numerous fractured hydrocarbon reservoirs exist in the metamorphic basement of the Pannonian Basin in Hungary. Many decades of experience in production have proven that these reservoirs are highly compartmentalised, resulting in a complex mosaic of perme...
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Quanhui Liu, Chenyao Zhou, Dan Ma, Yong Liu, Guanshi Wang and Zhen Huang
The accurate prediction of the vertical extent of water-conducting fracture (WCF) zones in weakly cemented strata is particularly significant in preventing and controlling water hazards in western coal mines. The evolution of fractures in weakly cemented...
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Hao Yang, Kai Bian, Tieji Wang, Zidong Jin, Bo Liu, Hui Sun and Junbin Chang
In order to effectively prevent and control the problem of water inrush from the through-type fault floor, based on the analysis of the case data of water inrush from the fault structure in the Fengfeng mining area, the types of karst water inrush from t...
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Tao Yang, Jiayue Deng, Bing Peng, Jie Zhang, Yiming Zhang and Yihui Yan
China is rich in coal resources under water bodies. However, the safety prediction of high-intensity mining under water bodies has long been one of the problems encountered by the coal industry. It is of great significance to realize safe mining under wa...
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Bin Ma, Xinchao Ding and Xingzhou Chen
The excavation-unloading damage effects of western high-geostress slopes on rock were explored by testing the pre-peak confining pressure unloading sandstone reloading mechanical properties. The deformation and failure mechanisms were studied from a meso...
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Yihui Zhu, Xiaoyun Zhang, Benyuan Xue, Hengsha Liu, Yaoke Wen and Cheng Xu
Ultra-high-molecular-weight polyethylene (UHMWPE) fiber laminate is currently widely used in ballistic protection for its exceptional physical and mechanical properties. However, the dynamic compressive mechanism of UHMWPE laminate remains poorly underst...
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