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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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Lin Gao, Yan Shi, Yang Qiu, Chuanming Ma and Aiguo Zhou
The development and utilization of land in the main urban area have significantly impacted the stability of the regional geological environment through various means, such as increased load and subway construction, primarily manifested as rock and soil m...
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Zhe Sun, Haoyang Li, Yan Bao, Xiaolin Meng and Dongliang Zhang
Timely risk information acquisition and diagnosis during foundation pit excavation (FPE) processes are vital for ensuring the safe and effective construction of underground urban infrastructures. Unfortunately, diverse geological and hydrogeological cond...
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Dong Lin, Yuhuan Bu, Changyou Xiang, Chang Lu, Huajie Liu and Shenglai Guo
The decomposition of hydrates can cause serious sand production and collapse problems, hindering the long-term effective production of hydrates. This study proposes a theory for framework reconstruction and reinforcement for deep-water hydrate layers bas...
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Zhijun Xu, Chong Li, Yue Cao, Lianhai Tai and Hong Yan
In coal mine roadway support, the arrangement of roadways in areas with high-stress concentrations is a challenging issue. It is crucial to solve this problem in order to ensure the safety and productivity of the mine. In this study, we selected a typica...
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Yiwen Wang, Dongna Liu, Haiyu Dong, Junwei Lin, Qi Zhang and Xiaohui Zhang
Through the stability evaluation of a slope, a landslide geological disaster can be identified, and the safety and risk control of a project can be ensured. This work proposes an improved sparrow search algorithm to optimize the slope safety factor predi...
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Yihong Zhu, Mingming Wu, Gangping Zhang, Jianlin Yu, Qiliang Xu, Riqing Xu and Tianci Yu
The deformation behavior of deep excavations is affected by many factors, among which the geological conditions are greatly affected. Hangzhou Bay is affected by marine siltation and river alluvium, and the geological conditions within the urban area of ...
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Michal Stefaniuk, Adam Cygal, Tomasz Mackowski, Michal Martus, Piotr Hadro, Krzysztof Pieniadz and Anna Maria Wachowicz-Pyzik
The paper presents the problem of generation and validation of Velocity Interval Depth (VID) models with the application of non-seismic geophysical and geological data. The study area is a part of the Carpathian Foredeep located close to its contact with...
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Dong Ma, Zhongsheng Tan, Linlin Bian, Baojin Zhang and Jinpeng Zhao
In constructing high-geo-stress soft rock tunnels, the major deformation disaster of the surrounding rock has always been the main problem faced during construction. The research on the deformation and loose zone characteristics of large deformation tunn...
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Jun Liu, Guangrong Peng, Leyi Xu, Pei Liu, Wanlin Xiong, Ming Luo, Xiang Gao, Xumin Liu, Haoran Liang and Zhichao Li
The source of oil and gas and the stages of oil and gas accumulation in the ?double-Paleo? field of the HZ-A structure in the Pearl River Mouth Basin are analyzed, and the spatiotemporal coupling relationship of the key conditions of oil and gas accumula...
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