Results 21 to 30 of about 31,564 (295)
Sustainability Assessment in Singular Structures, Foundations and Structural Rehabilitation in Spanish Legislation [PDF]
, 2017 The objective of this work is twofold: to determine the scope of the tools currently available for the assessment of sustainability of structures in Spanish legislation; and to identify environmental aspects that have yet to be covered, especially in ...
Mercader-Moyano, Pilar +2 more
core +1 more source
Chengshi guidao jiaotong yanjiuObjective To analyze the construction impact of new large-span civil defense tunnel on metro tunnel interval structural stability when under-passing existing metro line with a small clear distance, it is necessary to conduct a simulation study of the ...
Fenghai MA +3 more
doaj +1 more source
Vibration Response Characteristics of the Cross Tunnel Structure
Shock and Vibration, 2016 It is well known that the tunnel structure will lose its function under the long-term repeated function of the vibration effect. A prime example is the Xi’an cross tunnel structure (CTS) of Metro Line 2 and the Yongningmen tunnel, where the vibration ...
Jinxing Lai +5 more
doaj +1 more source
Research on Integrated Urban Utility Tunnel and Metro Joint Construction Mode in Central Urban Area
Chengshi guidao jiaotong yanjiu[Objective] Due to the constraints of surface implementation conditions and underground space limitations, the implementation of underground utility tunnel in central urban area has poor feasibility.
Xingzhong NONG, Yi ZENG
doaj +1 more source
Advances in Civil EngineeringWith the continuous development of urban railway construction, metro tunnels tend to cross complex geological formations. Single-mode tunnel boring machines (TBMs), typically designed to accommodate a specific type of rock mass, often encounter severe ...
Jizheng Huang +5 more
doaj +1 more source
Journal of Rock Mechanics and Geotechnical Engineering, 2019 Stratum deformation (settlement) is a challenging issue in tunnel engineering, especially when construction of metro tunnels has to undercut high-speed railway.
Wangping Qian +4 more
doaj +1 more source
Rail mega-projects in the realm of inter- and intra-city accessibility: evidence and outlooks for Berlin [PDF]
, 2012 This article summarizes and complements recent quantitative research on the impact of the Berlin railway system on the urban economy. Evidence suggests that access to intra-city rail lines has had a considerable impact on the value of urban land since at
Ahlfeldt, Gabriel M.
core +1 more source
Advanced Science, EarlyView.This study introduces a novel metamaterial absorber integrating water as a lossy medium with patterned indium tin oxide (ITO) films to achieve simultaneous optical transparency and ultra‐wideband electromagnetic absorption over 0.52‐40 GHz. It effectively overcomes the limitations of conventional opaque and bulky shielding materials, offering a ...
Xiaojun Huang +5 more
wiley +1 more source
Chengshi guidao jiaotong yanjiu［Objective］ In water-rich soft soil areas, it is difficult to control the deformation of the existing operating metro tunnel structure caused by the construction of the shield tunneling closely under-passing.
MA Xifeng +5 more
doaj +1 more source
Investigation of interaction Between Tabriz metro tunnels (lines 1, 2 and 3) [PDF]
مجله مدل سازی در مهندسی, 2019 Due to the development of metro lines, always the maintenance of buildings of injuries in urban environments is important, therefore, investigation of the surface settlement of the tunnel is undeniable.
hossein mohammadpoor reyhan +1 more
doaj +1 more source