نتایج جستجو برای: subway tunnels

تعداد نتایج: 5458  

Journal: :Japanese Geotechnical Society Special Publication 2016
TakaakiNishimura, ShinjiKonishi, TetsuyaMurakami, ShogoSuzuki, HirokazuAkagi,

Journal: :International Journal of Environmental Monitoring and Analysis 2016
WonseogJeong,

2002
M. LIENARD,

This paper first describes experimental results on the characterization of the propagation in subway tunnels. A first set of experiments have been carried out in Paris subway to determine the path loss, the long term and short term fading and the masking effect produced by a train. Then a wide band analysis has been performed both for a SISO (Single Input Single Output) and for a MIMO (Multiple...

Journal: :Journal of Civil, Construction and Environmental Engineering 2021
FeiDong, JunHuang, AoLi, CaichiGao,

Journal: :Civil Engineering Research Journal 2020
HytirisN,

Hossein Entezari Zarch, Kazem Barkhordari,

During wars and crises, the underground tunnels are used as a safe space. Therefore, the stability and safety of them under a blast is of particular importance. In this paper, the Finite Difference Method has been used to study the influence of the change in geotechnical parameters and depth on surface blasting on subway tunnels. Results showed that increasing the internal friction angle, modul...

Journal: :Procedia Engineering 2016
HikaruIsozaki, JunichirouOosawa, YousukeKawano, RyoHirasawa, SouichiKubota, ShinjiKonishi,

Journal: :Journal of Korean Society of Hazard Mitigation 2012
JihwanPark, Yun SukKang, Tae-HyungLee,

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