Investigation of Opening at Side Wall of Existent Opencut Tunnel Based on Numerical Calculation

Nakayama, Takashi; Tsuno, Kiwamu; Ushida, Takashi; Yakita, Shinji; Muroya, Kosuke

doi:10.2208/jscejte.71.29

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Tunnel Life Prolongation and Renovation1

Outline Of Structural Repair/reinforcement1

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Cited by 4 publications

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“…8) [12] Underground stations are increasingly being widened by opening parts of their existing tunnels and connecting them with new tunnels to ease congestion and improve service. However, the increasing scale on which this type of work done has created the need for reinforcement of existing tunnels.…”

Section: Tunnel Life Prolongation and Renovationmentioning

confidence: 99%

Recent Research and Development on Railway Geotechnical Structural Technology

Kojima¹

2017

QR of RTRI

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Section: Tunnel Life Prolongation and Renovationmentioning

confidence: 99%

Recent Research and Development on Railway Geotechnical Structural Technology

Kojima¹

2017

QR of RTRI

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“…While RTRI has developed repair/reinforcement methods for viaduct beams and parapet walls at the side of the track [4] [5], a reinforcement method for PC girders [6] and renovation techniques for steel bridges [7] [8], more recently it developed a reinforcement method for viaduct slabs [9] and a replacement / relocation technique for viaduct columns [10]. Furthermore, in the renovation technology for enhanced functions of station space, RTRI developed a [11] and a method for upgrading existing elevated stations into a shelter. These results are outlined below.…”

Section: Outline Of Structural Repair/reinforcementmentioning

confidence: 99%

Recent Research and Development in Structural Technology

Tanimura¹

2016

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Yukihiro TANIMURA Structures Technology Division Recent Research and Development in Structural Technology Recent research and development into railway structures at the Railway Technical Research Institute has focused on maintenance of existing structures, seismic retrofitting, development of construction technologies considering performance and economic efficiency and environmental countermeasures for comfort improvement, etc. This review firstly describes technologies for monitoring and diagnosis of existing structures. Secondly, it describes technologies to improve the performance of existing structures and stations, such as noise reduction, spatial expansion and creating more pleasant and user-friendly stations. Finally, it describes technologies for seismic countermeasures, including earth structures with high resistance to tsunamis and improvement of seismic performance of existing structures.

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Two-Dimensional Frame Design Method in Consideration of Opening Width at Side Wall of Existing Cut-and-Cover Tunnel

Minakami¹,

Arai²,

Nakayama³

et al. 2017

J. JSCE, Ser. F1

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Investigation of Opening at Side Wall of Existent Opencut Tunnel Based on Numerical Calculation

Cited by 4 publications

References 2 publications

<b>Recent Research and Development on Railway Geotechnical Structural Technology</b>

<b>Recent Research and Development on Railway Geotechnical Structural Technology</b>

<b>Recent Research and Development in Structural Technology</b>

Two-Dimensional Frame Design Method in Consideration of Opening Width at Side Wall of Existing Cut-and-Cover Tunnel

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