Characterization of railway substructure using a hybrid cone penetrometer
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Byun, Yong-Hoon | - |
dc.contributor.author | Hong, Won-Taek | - |
dc.contributor.author | Lee, Jong-Sub | - |
dc.date.accessioned | 2021-09-04T17:57:04Z | - |
dc.date.available | 2021-09-04T17:57:04Z | - |
dc.date.created | 2021-06-18 | - |
dc.date.issued | 2015-04 | - |
dc.identifier.issn | 1738-1584 | - |
dc.identifier.uri | https://scholar.korea.ac.kr/handle/2021.sw.korea/94041 | - |
dc.description.abstract | Changes in substructure conditions, such as ballast fouling and subgrade settlement may cause the railway quality deterioration, including the differential geometry of the rails. The objective of this study is to develop and apply a hybrid cone penetrometer (HCP) to characterize the railway substructure. The HCP consists of an outer rod and an inner mini cone, which can dynamically and statically penetrate the ballast and the subgrade, respectively. An accelerometer and four strain gauges are installed at the head of the outer rod and four strain gauges are attached at the tip of the inner mini cone. In the ballast, the outer rod provides a dynamic cone penetration index (DCPI) and the corrected DCPI (CDCPI) with the energy transferred into the rod head. Then, the inner mini cone is pushed to estimate the strength of the subgrade from the cone tip resistance. Laboratory application tests are performed on the specimen, which is prepared with gravel and sandy soil. In addition, the HCP is applied in the field and compared with the standard dynamic cone penetration test. The results from the laboratory and the field tests show that the cone tip resistance is inversely proportional to the CDCPI. Furthermore, in the subgrade, the HCP produces a high-resolution profile of the cone tip resistance and a profile of the CDCPI in the ballast. This study suggests that the dynamic and static penetration tests using the HCP may be useful for characterizing the railway substructure. | - |
dc.language | English | - |
dc.language.iso | en | - |
dc.publisher | TECHNO-PRESS | - |
dc.subject | TRACK SUBGRADE | - |
dc.subject | MICRO-CONE | - |
dc.subject | PERFORMANCE | - |
dc.subject | PIEZOCONES | - |
dc.subject | RESISTANCE | - |
dc.subject | TESTS | - |
dc.subject | SOILS | - |
dc.title | Characterization of railway substructure using a hybrid cone penetrometer | - |
dc.type | Article | - |
dc.contributor.affiliatedAuthor | Lee, Jong-Sub | - |
dc.identifier.doi | 10.12989/sss.2015.15.4.1085 | - |
dc.identifier.scopusid | 2-s2.0-84928552821 | - |
dc.identifier.wosid | 000353221000008 | - |
dc.identifier.bibliographicCitation | SMART STRUCTURES AND SYSTEMS, v.15, no.4, pp.1085 - 1101 | - |
dc.relation.isPartOf | SMART STRUCTURES AND SYSTEMS | - |
dc.citation.title | SMART STRUCTURES AND SYSTEMS | - |
dc.citation.volume | 15 | - |
dc.citation.number | 4 | - |
dc.citation.startPage | 1085 | - |
dc.citation.endPage | 1101 | - |
dc.type.rims | ART | - |
dc.type.docType | Article | - |
dc.identifier.kciid | ART001982941 | - |
dc.description.journalClass | 1 | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.description.journalRegisteredClass | kci | - |
dc.relation.journalResearchArea | Engineering | - |
dc.relation.journalResearchArea | Instruments & Instrumentation | - |
dc.relation.journalWebOfScienceCategory | Engineering, Civil | - |
dc.relation.journalWebOfScienceCategory | Engineering, Mechanical | - |
dc.relation.journalWebOfScienceCategory | Instruments & Instrumentation | - |
dc.subject.keywordPlus | TRACK SUBGRADE | - |
dc.subject.keywordPlus | MICRO-CONE | - |
dc.subject.keywordPlus | PERFORMANCE | - |
dc.subject.keywordPlus | PIEZOCONES | - |
dc.subject.keywordPlus | RESISTANCE | - |
dc.subject.keywordPlus | TESTS | - |
dc.subject.keywordPlus | SOILS | - |
dc.subject.keywordAuthor | cone tip resistance | - |
dc.subject.keywordAuthor | dynamic cone penetration index | - |
dc.subject.keywordAuthor | dynamic cone penetrometer | - |
dc.subject.keywordAuthor | mini cone | - |
dc.subject.keywordAuthor | railway substructure | - |
Items in ScholarWorks are protected by copyright, with all rights reserved, unless otherwise indicated.
(02841) 서울특별시 성북구 안암로 14502-3290-1114
COPYRIGHT © 2021 Korea University. All Rights Reserved.
Certain data included herein are derived from the © Web of Science of Clarivate Analytics. All rights reserved.
You may not copy or re-distribute this material in whole or in part without the prior written consent of Clarivate Analytics.