Track Angular Rotation Assessment Method Using Seismic Wavelength Originating from Surface Waves
Since differential displacement of track surfaces caused by earthquakes strongly influences the running safety of trains, it is important to consider its effects for the seismic design of railway structures. In this paper, in order to obtain a proper seismic wavelength for the assessment of track di...
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| Veröffentlicht in: | Quarterly Report of RTRI 2012/05/01, Vol.53(2), pp.80-86 |
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| creator | LUO, Xiu SAKAI, Kimitoshi SOGABE, Masamichi |
| description | Since differential displacement of track surfaces caused by earthquakes strongly influences the running safety of trains, it is important to consider its effects for the seismic design of railway structures. In this paper, in order to obtain a proper seismic wavelength for the assessment of track differential displacement, the authors examined phase velocity characteristics which reflect the dispersion of Rayleigh waves, and proposed an empirical formula for calculating the wavelength suitable for track assessment based on sets of various real ground parameters. Moreover, the influence due to the wavelength and the characteristics of the ground on the angular rotation assessment of viaducts was examined. |
| doi_str_mv | 10.2219/rtriqr.53.80 |
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In this paper, in order to obtain a proper seismic wavelength for the assessment of track differential displacement, the authors examined phase velocity characteristics which reflect the dispersion of Rayleigh waves, and proposed an empirical formula for calculating the wavelength suitable for track assessment based on sets of various real ground parameters. Moreover, the influence due to the wavelength and the characteristics of the ground on the angular rotation assessment of viaducts was examined.</description><identifier>ISSN: 0033-9008</identifier><identifier>EISSN: 1880-1765</identifier><identifier>DOI: 10.2219/rtriqr.53.80</identifier><language>eng</language><publisher>Tokyo: Railway Technical Research Institute</publisher><subject>angular rotation ; ground classification ; seismic design ; surface wave ; viaduct ; wavelength</subject><ispartof>Quarterly Report of RTRI, 2012/05/01, Vol.53(2), pp.80-86</ispartof><rights>2012 by Railway Technical Research Institute</rights><rights>Copyright Japan Science and Technology Agency 2012</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c4290-8217944e0785b97a8cb93f9e65b4723efe322669295824dcb7c5e971974339713</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,1883,4024,27923,27924,27925</link.rule.ids></links><search><creatorcontrib>LUO, Xiu</creatorcontrib><creatorcontrib>SAKAI, Kimitoshi</creatorcontrib><creatorcontrib>SOGABE, Masamichi</creatorcontrib><title>Track Angular Rotation Assessment Method Using Seismic Wavelength Originating from Surface Waves</title><title>Quarterly Report of RTRI</title><addtitle>QR of RTRI</addtitle><description>Since differential displacement of track surfaces caused by earthquakes strongly influences the running safety of trains, it is important to consider its effects for the seismic design of railway structures. 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| source | J-STAGE Free; EZB-FREE-00999 freely available EZB journals |
| subjects | angular rotation ground classification seismic design surface wave viaduct wavelength |
| title | Track Angular Rotation Assessment Method Using Seismic Wavelength Originating from Surface Waves |
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