Contact Loss beneath Track Slab Caused by Deteriorated Cement Emulsified Asphalt Mortar: Dynamic Characteristics of Vehicle-Slab Track System and Prototype Experiment
The contact loss beneath track slab caused by deteriorated cement emulsified asphalt mortar (CA mortar) has been one of the main diseases occurring in the CRTS- (China Railway Track System-) I Slab Track of high-speed railway in China. Based on the slab track design theory and the vehicle-track coup...
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| Veröffentlicht in: | Mathematical problems in engineering 2016-01, Vol.2016 (2016), p.1-12 |
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| creator | Yang, Rong-shan Ren, Juan-juan Liu, Yu-feng Liu, Dan Liu, Xue-yi |
| description | The contact loss beneath track slab caused by deteriorated cement emulsified asphalt mortar (CA mortar) has been one of the main diseases occurring in the CRTS- (China Railway Track System-) I Slab Track of high-speed railway in China. Based on the slab track design theory and the vehicle-track coupling vibration theory, a vehicle-track vertical coupling dynamic FEM model was established to analyze the influence of the contact loss length on the dynamic characteristics of vehicle and track subsystems at different train speeds. A prototype dynamic characteristic experimental test of CRTS-I Slab Track with CA mortar contact loss was conducted to verify the FEM model results. The train load was generated by the customized ZSS50 excitation car. The results showed that when the operation speed is less than 300 km/h, the contact loss with length smaller than 2.0 m barely affects the running smoothness ride safety of vehicle. The contact loss length effect on the dynamic characteristics of track subsystem is pronounced, especially on the track slab. Once the contact loss beneath the track slab occurs, the vibration displacement and the acceleration of the track slab increase rapidly, while it has little influence on the displacement and acceleration of the concrete roadbed. |
| doi_str_mv | 10.1155/2016/3073784 |
| format | Article |
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Based on the slab track design theory and the vehicle-track coupling vibration theory, a vehicle-track vertical coupling dynamic FEM model was established to analyze the influence of the contact loss length on the dynamic characteristics of vehicle and track subsystems at different train speeds. A prototype dynamic characteristic experimental test of CRTS-I Slab Track with CA mortar contact loss was conducted to verify the FEM model results. The train load was generated by the customized ZSS50 excitation car. The results showed that when the operation speed is less than 300 km/h, the contact loss with length smaller than 2.0 m barely affects the running smoothness ride safety of vehicle. The contact loss length effect on the dynamic characteristics of track subsystem is pronounced, especially on the track slab. Once the contact loss beneath the track slab occurs, the vibration displacement and the acceleration of the track slab increase rapidly, while it has little influence on the displacement and acceleration of the concrete roadbed.</description><identifier>ISSN: 1024-123X</identifier><identifier>EISSN: 1563-5147</identifier><identifier>DOI: 10.1155/2016/3073784</identifier><language>eng</language><publisher>Cairo, Egypt: Hindawi Publishing Corporation</publisher><subject>Acceleration ; Asphalt ; Bituminous cements ; Cement ; Cements ; Civil engineering ; Concrete ; Concrete slabs ; Contact loss ; Dynamic characteristics ; High speed rail ; Mathematical models ; Mathematical problems ; Mortars ; Mortars (material) ; Prototypes ; Railway engineering ; Railway tracks ; Road beds ; Slabs ; Smoothness ; Studies ; Subsystems ; Tracking ; Trains ; Vertical loads ; Vibration analysis</subject><ispartof>Mathematical problems in engineering, 2016-01, Vol.2016 (2016), p.1-12</ispartof><rights>Copyright © 2016 Dan Liu et al.</rights><rights>Copyright © 2016 Dan Liu et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c393t-6c9abdb6f817b0dd2173055ec4151fd7f96fb81452b6975bd115f015a60424273</citedby><cites>FETCH-LOGICAL-c393t-6c9abdb6f817b0dd2173055ec4151fd7f96fb81452b6975bd115f015a60424273</cites><orcidid>0000-0002-5222-9099</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><contributor>Mikhlin, Yuri Vladimirovich</contributor><creatorcontrib>Yang, Rong-shan</creatorcontrib><creatorcontrib>Ren, Juan-juan</creatorcontrib><creatorcontrib>Liu, Yu-feng</creatorcontrib><creatorcontrib>Liu, Dan</creatorcontrib><creatorcontrib>Liu, Xue-yi</creatorcontrib><title>Contact Loss beneath Track Slab Caused by Deteriorated Cement Emulsified Asphalt Mortar: Dynamic Characteristics of Vehicle-Slab Track System and Prototype Experiment</title><title>Mathematical problems in engineering</title><description>The contact loss beneath track slab caused by deteriorated cement emulsified asphalt mortar (CA mortar) has been one of the main diseases occurring in the CRTS- (China Railway Track System-) I Slab Track of high-speed railway in China. Based on the slab track design theory and the vehicle-track coupling vibration theory, a vehicle-track vertical coupling dynamic FEM model was established to analyze the influence of the contact loss length on the dynamic characteristics of vehicle and track subsystems at different train speeds. A prototype dynamic characteristic experimental test of CRTS-I Slab Track with CA mortar contact loss was conducted to verify the FEM model results. The train load was generated by the customized ZSS50 excitation car. The results showed that when the operation speed is less than 300 km/h, the contact loss with length smaller than 2.0 m barely affects the running smoothness ride safety of vehicle. The contact loss length effect on the dynamic characteristics of track subsystem is pronounced, especially on the track slab. Once the contact loss beneath the track slab occurs, the vibration displacement and the acceleration of the track slab increase rapidly, while it has little influence on the displacement and acceleration of the concrete roadbed.</description><subject>Acceleration</subject><subject>Asphalt</subject><subject>Bituminous cements</subject><subject>Cement</subject><subject>Cements</subject><subject>Civil engineering</subject><subject>Concrete</subject><subject>Concrete slabs</subject><subject>Contact loss</subject><subject>Dynamic characteristics</subject><subject>High speed rail</subject><subject>Mathematical models</subject><subject>Mathematical problems</subject><subject>Mortars</subject><subject>Mortars (material)</subject><subject>Prototypes</subject><subject>Railway engineering</subject><subject>Railway tracks</subject><subject>Road beds</subject><subject>Slabs</subject><subject>Smoothness</subject><subject>Studies</subject><subject>Subsystems</subject><subject>Tracking</subject><subject>Trains</subject><subject>Vertical loads</subject><subject>Vibration analysis</subject><issn>1024-123X</issn><issn>1563-5147</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>RHX</sourceid><sourceid>BENPR</sourceid><recordid>eNqFkU-L1TAUxYsoOI7uXEvAjeDUSZqkad0NnTfOwBsUHMVdSdIbmrFtapKi_UJ-TlPfA8HNZJM__O49Ofdk2UuC3xHC-XmBSXlOsaCiYo-yE8JLmnPCxON0xgXLSUG_Pc2ehXCPcUE4qU6y342botQR7V0ISMEEMvbozkv9HX0epEKNXAJ0SK3oEiJ467yM6d7ACFNEu3EZgjU2vVyEuZdDRLfOR-nfo8t1kqPVqOll6raVhmh1QM6gr9BbPUD-V-CotYYII5JThz55F11cZ0C7X3Mq24SeZ0-MHAK8OO6n2Zer3V1zne8_frhpLva5pjWNealrqTpVmooIhbuuIIJizkGz5NZ0wtSlURVhvFBlLbjq0tgMJlyWmBWsEPQ0e3PoO3v3Y4EQ29EGDcMgJ3BLaElVYUwYZRv6-j_03i1-Sr9LFCtxVYu6StTZgdI-DdiDaefkSPq1JbjdQmu30NpjaAl_e8B7O3Xyp32IfnWgITFg5D86reSP_gFXl6GI</recordid><startdate>20160101</startdate><enddate>20160101</enddate><creator>Yang, Rong-shan</creator><creator>Ren, Juan-juan</creator><creator>Liu, Yu-feng</creator><creator>Liu, Dan</creator><creator>Liu, Xue-yi</creator><general>Hindawi Publishing Corporation</general><general>Hindawi Limited</general><scope>ADJCN</scope><scope>AHFXO</scope><scope>RHU</scope><scope>RHW</scope><scope>RHX</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TB</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>CWDGH</scope><scope>DWQXO</scope><scope>FR3</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>JQ2</scope><scope>K7-</scope><scope>KR7</scope><scope>L6V</scope><scope>M7S</scope><scope>P5Z</scope><scope>P62</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><orcidid>https://orcid.org/0000-0002-5222-9099</orcidid></search><sort><creationdate>20160101</creationdate><title>Contact Loss beneath Track Slab Caused by Deteriorated Cement Emulsified Asphalt Mortar: Dynamic Characteristics of Vehicle-Slab Track System and Prototype Experiment</title><author>Yang, Rong-shan ; Ren, Juan-juan ; Liu, Yu-feng ; Liu, Dan ; Liu, Xue-yi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c393t-6c9abdb6f817b0dd2173055ec4151fd7f96fb81452b6975bd115f015a60424273</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Acceleration</topic><topic>Asphalt</topic><topic>Bituminous cements</topic><topic>Cement</topic><topic>Cements</topic><topic>Civil engineering</topic><topic>Concrete</topic><topic>Concrete slabs</topic><topic>Contact loss</topic><topic>Dynamic characteristics</topic><topic>High speed rail</topic><topic>Mathematical models</topic><topic>Mathematical problems</topic><topic>Mortars</topic><topic>Mortars (material)</topic><topic>Prototypes</topic><topic>Railway engineering</topic><topic>Railway tracks</topic><topic>Road beds</topic><topic>Slabs</topic><topic>Smoothness</topic><topic>Studies</topic><topic>Subsystems</topic><topic>Tracking</topic><topic>Trains</topic><topic>Vertical loads</topic><topic>Vibration analysis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yang, Rong-shan</creatorcontrib><creatorcontrib>Ren, Juan-juan</creatorcontrib><creatorcontrib>Liu, Yu-feng</creatorcontrib><creatorcontrib>Liu, Dan</creatorcontrib><creatorcontrib>Liu, Xue-yi</creatorcontrib><collection>الدوريات العلمية والإحصائية - e-Marefa Academic and Statistical Periodicals</collection><collection>معرفة - المحتوى العربي الأكاديمي المتكامل - e-Marefa Academic Complete</collection><collection>Hindawi Publishing Complete</collection><collection>Hindawi Publishing Subscription Journals</collection><collection>Hindawi Publishing Open Access</collection><collection>CrossRef</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>Advanced Technologies & Aerospace Collection</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>Middle East & Africa Database</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Computer Science Collection</collection><collection>Computer Science Database</collection><collection>Civil Engineering Abstracts</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Advanced Technologies & Aerospace Database</collection><collection>ProQuest Advanced Technologies & Aerospace Collection</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection><jtitle>Mathematical problems in engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yang, Rong-shan</au><au>Ren, Juan-juan</au><au>Liu, Yu-feng</au><au>Liu, Dan</au><au>Liu, Xue-yi</au><au>Mikhlin, Yuri Vladimirovich</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Contact Loss beneath Track Slab Caused by Deteriorated Cement Emulsified Asphalt Mortar: Dynamic Characteristics of Vehicle-Slab Track System and Prototype Experiment</atitle><jtitle>Mathematical problems in engineering</jtitle><date>2016-01-01</date><risdate>2016</risdate><volume>2016</volume><issue>2016</issue><spage>1</spage><epage>12</epage><pages>1-12</pages><issn>1024-123X</issn><eissn>1563-5147</eissn><abstract>The contact loss beneath track slab caused by deteriorated cement emulsified asphalt mortar (CA mortar) has been one of the main diseases occurring in the CRTS- (China Railway Track System-) I Slab Track of high-speed railway in China. Based on the slab track design theory and the vehicle-track coupling vibration theory, a vehicle-track vertical coupling dynamic FEM model was established to analyze the influence of the contact loss length on the dynamic characteristics of vehicle and track subsystems at different train speeds. A prototype dynamic characteristic experimental test of CRTS-I Slab Track with CA mortar contact loss was conducted to verify the FEM model results. The train load was generated by the customized ZSS50 excitation car. The results showed that when the operation speed is less than 300 km/h, the contact loss with length smaller than 2.0 m barely affects the running smoothness ride safety of vehicle. The contact loss length effect on the dynamic characteristics of track subsystem is pronounced, especially on the track slab. Once the contact loss beneath the track slab occurs, the vibration displacement and the acceleration of the track slab increase rapidly, while it has little influence on the displacement and acceleration of the concrete roadbed.</abstract><cop>Cairo, Egypt</cop><pub>Hindawi Publishing Corporation</pub><doi>10.1155/2016/3073784</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0002-5222-9099</orcidid><oa>free_for_read</oa></addata></record> |
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| ispartof | Mathematical problems in engineering, 2016-01, Vol.2016 (2016), p.1-12 |
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| source | Wiley Online Library Open Access; EZB-FREE-00999 freely available EZB journals; Alma/SFX Local Collection |
| subjects | Acceleration Asphalt Bituminous cements Cement Cements Civil engineering Concrete Concrete slabs Contact loss Dynamic characteristics High speed rail Mathematical models Mathematical problems Mortars Mortars (material) Prototypes Railway engineering Railway tracks Road beds Slabs Smoothness Studies Subsystems Tracking Trains Vertical loads Vibration analysis |
| title | Contact Loss beneath Track Slab Caused by Deteriorated Cement Emulsified Asphalt Mortar: Dynamic Characteristics of Vehicle-Slab Track System and Prototype Experiment |
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