Results 1 to 10 of about 1,503,690 (190)

Research progress and prospects of seismic performance on underground structure embedded in soft soil foundation [PDF]

Scientific Reports
For the complexity and difficulty of seismic research on subway station structure system embedded in soft soil foundation, the seismic research method is quite different from the ground structure.
Xuelei Cheng, Qiqi Li, Ran Hai, Shuoshuo Guo, Xiaofan Xing   +4 more
doaj   +2 more sources

Research on Seismic Performance of a Two-Story, Two-Span Underground Subway Station with Split Columns Based on the Quasi-Static Method

Applied Sciences (Switzerland)
The behavior of center columns in shallow-buried underground subway station structures resembles that of high-rise buildings. In both cases, these columns experience significant vertical loads during earthquake events and are susceptible to brittle ...
Xiangbo Bu, Zigang Xu
exaly   +3 more sources

Research on Launching Technology of Shield Tunnel in Ho Chi Minh Metro Line 1 [PDF]

Archives of Civil Engineering, 2021
The use of subway tunnel engineering technology has become more professional and refined with the growth of society and the advancement of science and technology. The initial construction process of a subway tunnel shield is the most critical part of the
Xuan Loi Nguyen, Li Wu, Khanh Tung Nguyen, Quang Anh Bui, Huy Hoang Nguen, Hoang Phuong Luu   +5 more
doaj   +1 more source

Preliminary analysis of mechanical properties of subway station under fire after earthquake

Yantu gongcheng xuebao, 2022
As an important part of the urban underground infrastructure, the underground structures such as subway stations will cause great economic damage and casualties once they are subjected to earthquakes and earthquake-induced fires.
WANG Guo-bo 1, LIU Qiang 1, WANG Hong-jie 1, WANG Jian-ning 2, DONG Zheng-fang 3
doaj   +1 more source

Optimal index of earthquake intensity measures for seismic design of underground frame structure of shallow-buried subway station

Yantu gongcheng xuebao, 2023
The optimal index of earthquake intensity measures required in the probabilistic seismic demand model for seismic design of the underground frame structure of shallow-buried subway station is studied.
JIANG Jiawei 1, 2, XU Chengshun 3, DU Xiuli 3, CHEN Guoxing 1, 2, XU Zigang 4
doaj   +1 more source

Large-scale cyclic-loading pushover test method and its verification for seismic damage of underground structures

Yantu gongcheng xuebao, 2023
It is difficult to effectively simulate the seismic damage characteristics of underground structures and their failure process in the current shaking table model tests.
YANG Jing 1, ZHUANG Haiyang 1, 2, WANG Wei 1, ZHANG Guangyu 1, CHEN Su 3
doaj   +1 more source

Experimental tests and theoretical analysis for mechanical behaviors of side wall opening construction in mined excavation subway station

Frontiers in Earth Science, 2023
The connection of subway stations to surrounding underground spaces inevitably involves opening construction in the existing underground structure. The opening construction can strongly impact the existing underground structure when there is no reserved ...
Zhinan Hu, Hongtao Mao, Lixin Zhang, Zhichun Liu   +3 more
doaj   +1 more source

Seismic response of subway station structure with concrete-filled-steel-tube middle columns

Yantu gongcheng xuebao, 2023
In order to improve the seismic performance of underground structures, the concrete-filled steel tube (CFST) middle column is usually used in the existing subway station structures.
ZHONG Zilan , GUO Qinglong , GUO Jiaxi , ZHANG Bu , ZHAO Mi
doaj   +1 more source

Numerical Simulation of Flood Intrusion Process under Malfunction of Flood Retaining Facilities in Complex Subway Stations

Buildings, 2022
In recent years, heavy rain and waterlogging accidents in subway stations have occurred many times around the world. With the comprehensive development trend of underground space, the accidents caused by flood flow intruding complex subway stations and ...
Zhiyu Lin, Shengbin Hu, Tianzhong Zhou, Youxin Zhong, Ye Zhu, Lei Shi, Hang Lin   +6 more
doaj   +1 more source

Seismic performance of single-story subway station structures with different types of intermediate columns

Yantu gongcheng xuebao, 2021
In view of the seismic weak component of the single frame type underground subway station structure, using the rectangular reinforced concrete columns, the circular reinforced concrete columns, and the proposed precast concrete-filled steel tube (CFST ...
LI Sheng 1, ZHUANG Hai-yang 1, WANG Wei 1, DONG Zheng-fang 2
doaj   +1 more source