Effect of increase in load and frequency on the resilience of railway ballast
This paper presents the results of a series of large-scale cyclic triaxial tests conducted on ballast subjected to increased load and frequency of loading. For a given loading, the laboratory test data demonstrate that the resilient modulus of ballast is influenced by the frequency of loading. Both...
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| Veröffentlicht in: | Géotechnique 2019-09, Vol.69 (9), p.833-840 |
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| creator | Sun, Qideng Indraratna, Buddhima Ngo, Ngoc Trung |
| description | This paper presents the results of a series of large-scale cyclic triaxial tests conducted on ballast subjected to increased load and frequency of loading. For a given loading, the laboratory test data demonstrate that the resilient modulus of ballast is influenced by the frequency of loading. Both strain hardening and strain softening can be observed in response to increasing magnitude of load and frequency. A correlation between the resilient modulus and bulk stress is introduced to describe both the strain-hardening and strain-softening behaviour of ballast under different frequencies. A good corroboration between the cyclic stress ratio and the accumulated permanent strain and the resilient strain is demonstrated. |
| doi_str_mv | 10.1680/jgeot.17.P.302 |
| format | Article |
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For a given loading, the laboratory test data demonstrate that the resilient modulus of ballast is influenced by the frequency of loading. Both strain hardening and strain softening can be observed in response to increasing magnitude of load and frequency. A correlation between the resilient modulus and bulk stress is introduced to describe both the strain-hardening and strain-softening behaviour of ballast under different frequencies. A good corroboration between the cyclic stress ratio and the accumulated permanent strain and the resilient strain is demonstrated.</description><identifier>ISSN: 0016-8505</identifier><identifier>EISSN: 1751-7656</identifier><identifier>DOI: 10.1680/jgeot.17.P.302</identifier><language>eng</language><publisher>London: ICE Publishing</publisher><subject>Bulk modulus ; Cyclic loads ; Laboratory tests ; Plastic deformation ; Railroad ballast ; Softening ; Strain ; Strain hardening ; Stress ratio</subject><ispartof>Géotechnique, 2019-09, Vol.69 (9), p.833-840</ispartof><rights>2018 Thomas Telford Ltd</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c333t-7ca0eed8834ee96af07cf033f645b7755f6635b6bbf823a598e9a32c987c78cc3</citedby><cites>FETCH-LOGICAL-c333t-7ca0eed8834ee96af07cf033f645b7755f6635b6bbf823a598e9a32c987c78cc3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Sun, Qideng</creatorcontrib><creatorcontrib>Indraratna, Buddhima</creatorcontrib><creatorcontrib>Ngo, Ngoc Trung</creatorcontrib><title>Effect of increase in load and frequency on the resilience of railway ballast</title><title>Géotechnique</title><description>This paper presents the results of a series of large-scale cyclic triaxial tests conducted on ballast subjected to increased load and frequency of loading. For a given loading, the laboratory test data demonstrate that the resilient modulus of ballast is influenced by the frequency of loading. Both strain hardening and strain softening can be observed in response to increasing magnitude of load and frequency. A correlation between the resilient modulus and bulk stress is introduced to describe both the strain-hardening and strain-softening behaviour of ballast under different frequencies. A good corroboration between the cyclic stress ratio and the accumulated permanent strain and the resilient strain is demonstrated.</description><subject>Bulk modulus</subject><subject>Cyclic loads</subject><subject>Laboratory tests</subject><subject>Plastic deformation</subject><subject>Railroad ballast</subject><subject>Softening</subject><subject>Strain</subject><subject>Strain hardening</subject><subject>Stress ratio</subject><issn>0016-8505</issn><issn>1751-7656</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNotkM1LAzEQxYMoWGqvngOed83HJpM9SqkfULEHPYdsOtEt66YmW6T_val6esPjzczjR8g1ZzXXht3u3jFONYd6U0smzsiMg-IVaKXPyYwxriujmLoki5z7jrFGNwqYnJHnVQjoJxoD7Uef0GUsAx2i21I3bmlI-HXA0R9pHOn0gTRh7oe-OHjaSa4fvt2Rdm4YXJ6uyEVwQ8bFv87J2_3qdflYrV8enpZ368pLKacKvGOIW2Nkg9hqFxj4wKQMpVUHoFTQWqpOd10wQjrVGmydFL414MF4L-fk5u_uPsVSL092Fw9pLC-tECA4NG0rSqr-S_kUc04Y7D71ny4dLWf2RM3-UrMc7MYWavIH0sBg3Q</recordid><startdate>201909</startdate><enddate>201909</enddate><creator>Sun, Qideng</creator><creator>Indraratna, Buddhima</creator><creator>Ngo, Ngoc Trung</creator><general>ICE Publishing</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TN</scope><scope>7UA</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>F28</scope><scope>FR3</scope><scope>H96</scope><scope>KR7</scope><scope>L.G</scope></search><sort><creationdate>201909</creationdate><title>Effect of increase in load and frequency on the resilience of railway ballast</title><author>Sun, Qideng ; Indraratna, Buddhima ; Ngo, Ngoc Trung</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c333t-7ca0eed8834ee96af07cf033f645b7755f6635b6bbf823a598e9a32c987c78cc3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Bulk modulus</topic><topic>Cyclic loads</topic><topic>Laboratory tests</topic><topic>Plastic deformation</topic><topic>Railroad ballast</topic><topic>Softening</topic><topic>Strain</topic><topic>Strain hardening</topic><topic>Stress ratio</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sun, Qideng</creatorcontrib><creatorcontrib>Indraratna, Buddhima</creatorcontrib><creatorcontrib>Ngo, Ngoc Trung</creatorcontrib><collection>CrossRef</collection><collection>Oceanic Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Civil Engineering Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Géotechnique</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sun, Qideng</au><au>Indraratna, Buddhima</au><au>Ngo, Ngoc Trung</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of increase in load and frequency on the resilience of railway ballast</atitle><jtitle>Géotechnique</jtitle><date>2019-09</date><risdate>2019</risdate><volume>69</volume><issue>9</issue><spage>833</spage><epage>840</epage><pages>833-840</pages><issn>0016-8505</issn><eissn>1751-7656</eissn><abstract>This paper presents the results of a series of large-scale cyclic triaxial tests conducted on ballast subjected to increased load and frequency of loading. 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| fulltext | fulltext |
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| ispartof | Géotechnique, 2019-09, Vol.69 (9), p.833-840 |
| issn | 0016-8505 1751-7656 |
| language | eng |
| recordid | cdi_proquest_journals_2272174992 |
| source | ICE Virtual Library Journals |
| subjects | Bulk modulus Cyclic loads Laboratory tests Plastic deformation Railroad ballast Softening Strain Strain hardening Stress ratio |
| title | Effect of increase in load and frequency on the resilience of railway ballast |
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