Resilience of Urban Underground Space: Planning, Design, Assessment and Enhancement

A special issue of Buildings (ISSN 2075-5309). This special issue belongs to the section "Architectural Design, Urban Science, and Real Estate".

Deadline for manuscript submissions: closed (20 February 2024) | Viewed by 4649

Special Issue Editors

1. Key Laboratory for Resilient Infrastructures of Coastal Cities (MOE), Shenzhen University, Shenzhen 518060, China
2. College of Civil and Transportation Engineering, Shenzhen University, Shenzhen 518061, China
Interests: tunnel engineering; microscopic damage mechanics; numerical modeling in geotechnical engineering; limit analysis of geotechnical engineering; probabilistic risk analysis; resilience of urban underground space
Key Laboratory of Urban Underground Engineering of the Education Ministry, Beijing Jiaotong University, Beijing 100044, China
Interests: tunneling; geotechnics; numerical modeling in geotechnical engineering; ground improvement; slope stability
1. National Science and Technology Institute of Urban Public Safety, Shenzhen 518000, China
2. Key Laboratory of Urban Safety Risk Monitoring and Early Warning, Ministry of Emergency Management, Shenzhen 518055, China
3. Shenzhen Technology Institute of Urban Public Safety, Shenzhen 518000, China
Interests: urban safety; structure monitoring; underground project management; risk management
School of Architecture and Urban Planning, Shenzhen University, Shenzhen 518000, China
Interests: social-ecosystem modeling; network resilience; urban spatial planning; GIS
Key Laboratory of Urban Underground Engineering of the Education Ministry, Beijing Jiaotong University, Beijing 100044, China
Interests: geotechnical engineering; limit analysis; numerical modeling; stability analysis

Special Issue Information

Dear Colleagues,

The development and utilization of urban underground space is an important way to develop underground infrastructure and improve urban space capacity and quality, which is also an inevitable requirement for the safety and sustainable development of cities. However, the construction and operation of urban underground space structures are inevitably affected and threatened by multiple factors, such as natural disasters and production and construction activities, which generate great risks to urban safety and economic development. In 2019, the United Nations Human Settlements Programme signed and issued the Shanghai Declaration, pointing out that it is necessary to propose measures for the development and utilization of underground space from the perspective of improving urban sustainable development, urban resilience and ecological security. The existing resilience theory of underground space structure has significant shortcomings, such as an unclear resilience evaluation index system, an unclear coupling relationship between resilience index and disaster, and a lack of a resilience evaluation system for the whole process of disaster chain evolution. With the rapid development of urban underground space, breakthroughs are urgently needed in the theoretical mechanism of structural disaster chain evolution and resilience evaluation system, the integrated resilience design method of material structure system, rapid repair construction equipment and resilience enhancement technology.

This Special Issue focuses on the latest developments in the planning, design, assessment and enhancement of the resilience of urban underground space. New insights into the scientific knowledge or engineering practice in intelligent perception technology and deep learning technology to improve resilience are also welcomed. We invite you to contribute and submit your latest research work.

Dr. Kaihang Han
Prof. Dr. Chengping Zhang
Dr. Zhongqi Shi
Dr. Wuyang Hong
Dr. Wei Li
Guest Editors

Manuscript Submission Information

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Keywords

  • structural and functional resilience
  • resilience planning
  • resilience design
  • resilience assessment
  • resilience enhancement
  • numerical modeling
  • physical model test
  • damage analysis and assessment
  • deep learning
  • digital twin

Published Papers (5 papers)

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Research

18 pages, 7979 KiB  
Article
Understanding the Factors and Consequences of Gas Deflagration Accident in Metro Shield Tunnel: Site Investigation and Numerical Analysis
by Yi Shen, Shuangchi Sun, Wei Sun, Long Zhou and Zhongkai Huang
Buildings 2024, 14(1), 56; https://doi.org/10.3390/buildings14010056 - 24 Dec 2023
Viewed by 708
Abstract
This study aims to investigate the factors and consequences of gas deflagration accidents in metro shield tunnels based on on-site investigation and numerical analysis. We built a numerical model and detection process for an underground shield tunnel subjected to an internal explosion from [...] Read more.
This study aims to investigate the factors and consequences of gas deflagration accidents in metro shield tunnels based on on-site investigation and numerical analysis. We built a numerical model and detection process for an underground shield tunnel subjected to an internal explosion from an actual accident. The tunnel geometry under consideration is the same as that used for the metro line. Concerning the limitations of research on the failure and recovery mechanism of shield segmental linings under the action of internal explosion load, an explosion accident of a shield segmental lining under construction caused by the shield tunneling machine destroying natural gas pipelines was discussed, in which the structure failure characteristics during the explosion and the structure repair method after the explosion were investigated. An interval repair scheme was proposed, which provides experience for the treatment of similar engineering accidents. To investigate the gas explosion within the tunnel during the accident, the finite element software Ansys LS-DYNA with the arbitrary Lagrangian–Eulerian (ALE) technique was employed to simulate the explosion scenario. Dynamic analyses were carried out to reproduce the blast scenario. The stress distribution within the segmental lining as well as the lining’s deformation were calculated. The potential applications of the treatment and planning of comparable engineering mishaps were discussed in the study. Full article
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23 pages, 12098 KiB  
Article
Study on Force Characteristics and Safety of Segment Structure and Bolts with and without Cavity behind Lining with Multi-Field Coupling
by Feilong Li, Changshan Jiang, Guoqing Cai, Jianjun Luo, Qian Yu, Heqing Zhang and Lei Wang
Buildings 2023, 13(8), 2108; https://doi.org/10.3390/buildings13082108 - 20 Aug 2023
Viewed by 786
Abstract
In this study, a refined three-dimensional stratigraphic–structural model is established based on ABAQUS finite element software, and the basis for determining pneumatic and vibration loads is explained in detail. From this, the force characteristics of the segment and bolts with and without a [...] Read more.
In this study, a refined three-dimensional stratigraphic–structural model is established based on ABAQUS finite element software, and the basis for determining pneumatic and vibration loads is explained in detail. From this, the force characteristics of the segment and bolts with and without a cavity behind the lining under the action of multi-field coupling were analyzed, and the force law and corresponding safety of the segment structure and high-strength bolts were determined. The results show that the peak value of the maximum principal stress on the segment structure caused by the surrounding rock pressure was 92.7 times greater than the variation in the peak value of the maximum principal stress caused by additional loads (pneumatic and vibration loads). Despite this, the safety factor of the segment structure satisfied the code requirements. Compared to the situation with no cavity behind the lining, when the cavity behind the lining was small the stresses of the segment structure were large and concentrated, which increased the possibility of crack development in the segment structure. The nodal stresses and strains on the straight and bending bolts exhibited an approximately “W”-shaped distribution with a cavity behind the lining. In addition to the effect of the preload near the nut, the stress and strain at the central measurement point of the bolt rod at the joint face were larger owing to the coupling effect of multiple fields. The high-strength bolt remained in an elastic state and did not yield with damage. Full article
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17 pages, 11887 KiB  
Article
Study on the Impact of a Metro Depot Cover Structure on the Existing Metro Structure and Additional Settlement of Tracks
by Hua Peng, Feiyv Pang, Zichen Li, Xiaoqi Xiao and Shuhe Tang
Buildings 2023, 13(8), 1914; https://doi.org/10.3390/buildings13081914 - 27 Jul 2023
Viewed by 606
Abstract
The superstructure of the metro depot is not only convenient for traffic but also solves the land-use problem. However, the construction of the superstructure comes after the metro depot has been put into normal operation. The foundation of the depot is bound to [...] Read more.
The superstructure of the metro depot is not only convenient for traffic but also solves the land-use problem. However, the construction of the superstructure comes after the metro depot has been put into normal operation. The foundation of the depot is bound to produce secondary settlement. Based on the calculation method of the friction-end bearing pile of Mindlin’s solution in the specification, the superstructure construction project above the Beijing Guogongzhuang metro depot is taken as the basis. Under certain conditions, the settlement of the pile foundation under the action of secondary load and the influence on the track structure are calculated. Moreover, the finite element analysis software ANSYS 18.0 is used to establish the analysis model of the construction of the superstructure of the applied depot. The results show that the influence of the pile foundation settlement produces a certain additional influence on the surrounding tracks, and the maximum value locates at the center of the bearing platform and gradually decreases outward. Under the conditions of informative construction, uniform loading of the structure and control of the construction process, local bias loads and uneven settlements are avoided. The impact of the construction on the track can be effectively controlled, and the impact on the structure can be kept within the allowable limits. By comparing this instance with a number of similar superstructure projects in Beijing, this study shows that the overall risk of this type of project can be controlled and can provide a technical reference for similar superstructure projects on top of a metro depot construction in the future. Full article
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20 pages, 6064 KiB  
Article
Research on the Experimental System of Reinforcing the Base of Shallow Buried and Wet Collapsible Loess Tunnels
by Zhiqiang Li, Shixin Lv, Jinpeng Zhao, Lulu Liu and Kunkun Hu
Buildings 2023, 13(7), 1740; https://doi.org/10.3390/buildings13071740 - 10 Jul 2023
Viewed by 580
Abstract
Due to the complexity of the surrounding rock structure and the geological environment of tunnel excavations, traditional analytical methods are insufficient in effectively dealing with the complex nonlinear deformation problems arising from tunnel excavation. In contrast, geomechanical model tests can comprehensively simulate the [...] Read more.
Due to the complexity of the surrounding rock structure and the geological environment of tunnel excavations, traditional analytical methods are insufficient in effectively dealing with the complex nonlinear deformation problems arising from tunnel excavation. In contrast, geomechanical model tests can comprehensively simulate the excavation construction process of tunnels and the mode and time effects of loads, providing a more realistic reflection of the complete process of engineering stress and deformation. Therefore, this study conducted a model test on reinforcing the loess tunnel base, building upon the first tunnel of the Lanqing Expressway located on the north bank of the Yellow River in Lanzhou City. The study utilized similarity theory to explore the theoretical design of the model and established a specialized model test platform to design the experiments with the goal of obtaining more scientific and effective experimental schemes to ensure the safety of soil reinforcement in tunnel bases during construction. This research will contribute to improving the safety, reliability, and economy of loess tunnel base reinforcement projects, and has a certain reference value for research in this field. Full article
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19 pages, 5467 KiB  
Article
Long-Term Urban Epidemic and Disaster Resilience: The Planning and Assessment of a Comprehensive Underground Resilience Core
by Tong Qiu, Xiangsheng Chen, Dong Su and Xingtao Lin
Buildings 2023, 13(5), 1292; https://doi.org/10.3390/buildings13051292 - 16 May 2023
Viewed by 1127
Abstract
This study utilizes the enclosed and stable environment of underground space for long-term sustainable planning for urban epidemics and disasters. Owing to the COVID-19 epidemic, cities require long-term epidemic–disaster management. Therefore, this study proposed a strategy for integrating multiple functions to plan a [...] Read more.
This study utilizes the enclosed and stable environment of underground space for long-term sustainable planning for urban epidemics and disasters. Owing to the COVID-19 epidemic, cities require long-term epidemic–disaster management. Therefore, this study proposed a strategy for integrating multiple functions to plan a comprehensive Underground Resilience Core (URC). A planning and assessment methods of URC were proposed. With this methodology, epidemic- and disaster- URCs were integrated to construct a comprehensive-URC in underground spaces. The results show: (1) Epidemic-resilient URCs adopting a joint progressive approach with designated hospitals can rapidly suppress an epidemic outbreak. (2) The regularity of the morphology of underground spaces determines the area of the URC. Bar-shaped underground spaces have the potential for planning disaster-URCs. (3) The URC planning efficiency ranking is as follows: Bar shapes lead overall, T shapes are second under seismic resilience, and Cross shapes are second under epidemic resilience. (4) The potential analysis of planning a comprehensive-URC in the underground parking in Chinese cities showed that the recovery time can be advanced from 29% to 39% and the comprehensive resilience can be improved by 37.63%. The results of this study can serve as sustainable urban planning strategies and assessment tools for long-term epidemic–disaster management. Full article
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