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Abdallah Atef, Adel A. Surour, Ahmed A. Madani and Mokhles K. Azer
Since Antiquity, sustainable resources of gold and copper have been mined at two prominent prospects in the north Eastern Desert of Egypt, namely the south Gabel Um Monqul (SGUM) and Gabal Al Kharaza (GKZ). Mineralization is hosted by Neoproterozoic shie...
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Jiakang Li, Zhe Zhang, Lu Wang, Zhe Ma and Wenyuan Wang
Aiming at the problem of excessive vertical vibration caused by seismic primary waves in jacket structures located in seismic zones in China, a new type of shear plate metal damper with upper and lower elliptical openings (SPA) is proposed in this paper....
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Imran Shabir Chuhan, Jing Li, Ziyu Guo, Muhammad Yaqub and Malik Abdul Manan
The main purpose of this study is to investigate the thermal behavior of power law fluid within a plus-shaped cavity under the influence of natural convection, also taking into account the Darcy number and magnetohydrodynamics (MHD). The problem is formu...
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Francisco Grajales-Saavedra, Alexis Mojica, Carlos Ho, Krysna Samudio, George Mejía, Saddy Li, Larisa Almengor, Roberto Miranda and Melisabel Muñoz
The City of David constitutes one of the most important commercial centers of the Republic of Panama. However, it is located on a coastal plane, close to an area with high seismic activity and has been affected by significant earthquakes (18 July 1934, M...
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Cun Zhang, Pingcuo Zhuoma, Yongjuan Zhang and Zhenya Li
The longitudinal dynamic response of a large-diameter-bored pile is investigated considering the bottom sediment and the radial unloading of the surrounding soil. First, the sediment between the pile tip and the bedrock is treated as a fictitious soil pi...
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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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Ayoub Soulaimani, Saïd Chakiri, Saâd Soulaimani, Ahmed Manar, Zohra Bejjaji, Abdelhalim Miftah, Mohammed Amine Zerdeb, Yaacoub Zidane, Mustapha Boualoul and Anselme Muzirafuti
Numerical analysis of geophysical data to uncover Precambrian belts and probably to enclose mineral deposits is becoming once more communal in mining activity. The method is founded on typifying zones branded to comprehend deposits and looking for analog...
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Abdelaziz Brouthen, Mohamed Nabil Houhou and Ivan Puig Damians
This study describes the results of a series of 2D finite element method (FEM) numerical models of 6 m high back-to-back reinforced soil walls using the geotechnical software PLAXIS. These structures are used to support embankments, especially for bridge...
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Yujing Jiang, Meng Li, Hengjie Luan, Yichen Shi, Sunhao Zhang, Peng Yan and Baocheng Li
Under the action of dynamic loadings such as earthquakes and volcanic activities, the mechanical properties of gas-hydrate-bearing sediments will deteriorate, leading to a decrease in the stability of hydrate reservoirs and even inducing geological disas...
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Troels Aagaard, Joost Brinkkemper, Drude F. Christensen, Michael G. Hughes and Gerben Ruessink
The existence of sandy beaches relies on the onshore transport of sand by waves during post-storm conditions. Most operational sediment transport models employ wave-averaged terms, and/or the instantaneous cross-shore velocity signal, but the models ofte...
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