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Peng Liu, Chen Dai, Shuo Zhao, Shuaiqiang Li, Bilong Liu and Guijie Liu
Underwater pressure-bearing structures are produced in practice by means of pressure self-enhancement methods in order to improve the stress distribution and enhance the pressure-bearing performance. On the other hand, the pairs equation shows that stres...
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Tengteng Guo, Haijun Chen, Deqing Tang, Shengquan Ding, Chaohui Wang, Decai Wang, Yuanzhao Chen and Zhenxia Li
Graphene Tourmaline Composite Micropowder (hereinafter referred to as GTCM) modified asphalt was prepared by the ball milling method. The effects of different temperatures and different frequencies on the high-temperature performance of composite-modifie...
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Juntao Ma, Xue Ling, Qin Zhou, Zhiqiao Wang and Hongjie Liu
In order to study the mechanism of crack propagation in rock cutting, experiments and discrete element numerical simulation of rock cutting at different depths were adopted in this paper. The rock fragmentation can be divided into mini-size fragmentation...
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Chunyan Bao, Meng Zhou and Yuexiang Cai
Shale gas is a promising new energy source stored in shale. This research aims to study the laws of rock crack initiation and propagation under the low-temperature fracturing of liquid nitrogen, explore the influencing factors of the shale reservoir frac...
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Stefan Ritter and Hans-Peter Seifert
Low-alloy reactor pressure vessel steels have a rather low susceptibility to stress corrosion cracking (SCC) in a boiling water reactor (BWR) environment if the high-temperature water contains no anionic impurities. Recent investigations revealed that un...
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Bingyu Han, Dajun Yuan, Teng Wang and Zhongxin Wang
The Jinan Jiluo Road Crossing the Yellow River Tunnel North Extension Project will intersect the Queshan reservoir, which currently supplies 60% of the domestic water in Jinan City. During the excavation process of the large-diameter slurry type shield u...
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Jiaqi Guo, Lipan Cheng, Yongbiao Lai, Yongchao Tian and Lu Li
The stability control of the surrounding rock is greatly influenced by the rock joint?s shear mechanical characteristics and deformation failure mechanism. A numerical model of the dentate joints was created using a particle flow discrete element method ...
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Yongjian Zhu, Peng Li, Ping Wang, Chengcheng Mei, Heng Ren and Xizhi Wang
The mining of deep coal resources occurs in a high-stress geological environment as well as an engineering environment of rock excavation and unloading. Research on the re-bearing capacity characteristics and damage mechanism of rock masses damaged by pe...
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Faqiang Su, Takuya Nakanowataru, Ken-ichi Itakura, Koutarou Ohga and Gota Deguchi
In the underground coal gasification (UCG) process, cavity growth with crack extension inside the coal seam is an important phenomenon that directly influences gasification efficiency. An efficient and environmentally friendly UCG system also relies upon...
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Petr Hora,Olga Cervená,Alena Uhnáková,Anna Machová,Vladimír Pelikán
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