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Zijun Li, Qian Jia, Gang Li, Yu Xu, Junjian Wang and Xiaowei Zhai
A high temperature is the key factor limiting the safe development of deep mine tunnels. By confronting the phenomenon of serious heat exchange between airflow and the surrounding rocks in the tunnel excavation area, a conceptual model of coupled cooling...
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Na He and Xianggang Zhang
During the construction of a diversion tunnel, geological problems often include faults, fragile strata, hard rock formations, karst landforms, etc., which may have adverse effects on the excavation and construction of the diversion tunnel. Based on the ...
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Hong-Liang Tang, Jun Yang and Qi Yu
Rock fragmentation by blasting influences ore recovery and the cost of downstream operations. The development of electronic detonators makes it possible to improve fragmentation by controlling the initiation timing in blasting projects, and the effect of...
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Qizhi Chen, Luju Liang, Changjie Xu, Baoping Zou and Xiangxiang Gao
Terzaghi proposed two-dimensional (2D) arching theory through trapdoor tests based on the assumption of a vertical slip surfaces. However, the original 2D assumption is different from a real three-dimensional (3D) excavation condition and actual slip sur...
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Ali Koohsari, Roohollah Kalatehjari, Sayfoddin Moosazadeh, Mohsen Hajihassani and Bao Van
Tunnelling is a vital geotechnical engineering feature of underground transportation systems that is potentially hazardous if not properly investigated, studied, planned, and executed. A reliability, availability, and maintainability (RAM) analysis is on...
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Fernando López-Gayarre,Mariano Rodríguez Avial-Llardent,Francisco José Suárez-Domínguez,Martina-Inmaculada Álvarez-Fernández,María-Belén Prendes-Gero
Pág. 258 - 270
This study involves an elastoplastic analysis of the effects of the advance of a double-track railway tunnel on the soil and the tunnel support. The strength and deformation properties have been determined using in-situ testing with equipment desig...
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Alireza Darvishpour , Amirmohammad Amiri , Asadollah Ranjbar
Utilizing the piled foundation is extremely important and applicable in the civil and geotechnical engineering due to the improvement in the bearing capacity. Employing urban deep excavations, on the other hand, is inevitable and examining the effect of ...
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