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Changan Zhang, Jianlei Gao, Zhengzhong Wang and Chang Liu
More complex geological conditions could be encountered with the construction of urban subway projects. At present, many subway tunnels have been built in composite strata with upper soft and lower hard layers, but the presence of a cavity in the strata ...
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Fei Tan, Wufeiyu Tan, Feifei Yan, Xin Qi, Qinghua Li and Zhikai Hong
Urban ground collapse is a common geological disaster characterized by its invisible nature, particularly in China, and results in significant socioeconomic losses and even loss of life. Underground pipeline breakage is the most common factor leading to ...
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Vasily Bogoyavlensky, Igor Bogoyavlensky, Roman Nikonov, Tatiana Kargina, Evgeny Chuvilin, Boris Bukhanov and Andrey Umnikov
This article describes the results of an Arctic expedition studying the new giant gas blowout crater in the north of Western Siberia, in the central part of the Yamal Peninsula in 2020. It was named C17 in the geoinformation system ?Arctic and the World ...
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Larysa Yuzevych,Larysa Yankovska,Lyubomyr Sopilnyk,Volodymyr Yuzevych,Ruslan Skrynkovskyy,Bohdan Koman,Lyudmila Yasinska-Damri,Nell? Heorhiadi,Roman Dzhala,Mykhailo Yasinskyi
Pág. 23 - 29
A new criterion of strength and a set of informative parameters have been devised for modelling the stressed-strained state (SSS) of the underground metal pipeline (UMP) taking into consideration the system of defects of the cavity type, atop of which th...
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Sueng-Won Jeong, Byoung-Woo Yum, Dong-Woo Ryu, Hong-Jin Lee and Byeongju Jung
Urban cave-ins may result from a sudden change in local hydrological, hydrogeological and anthropogenic conditions. Monitoring and predicting urban sinkholes is not straightforward, and solving the problem of urban cave-ins involves the incorporation of ...
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Qi Ping, Shiwei Wu, Xiangyang Li, Yijie Xu, Jing Hu and Shijia Sun
The aim of this study was to examine the effects of sandstone ring specimens with different inner diameters on dynamic compression mechanical characteristics after dry and wet circulation. To carry out our study, we subjected a sandstone ring specimen wi...
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Xiaopeng Liu, Liangji Xu and Kun Zhang
As a green, safe, and efficient method of coal development, underground coal gasification (UCG) technology has gradually moved from the experimental stage to the industrial production stage. This technology plays one of the key roles in the sustainable d...
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Xianghua Chen, Wenxin Chen, Liyuan Zhao and Yekai Chen
The rapid pace of urbanization has led to an increasing frequency of road collapses, posing a significant threat to urban traffic safety. Underground pipeline leakage stands out as the primary cause of such collapses. This paper presents a macroscopic an...
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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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