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Application of automated cone penetrometer for railway investigation using correlations with DCPI and Deflection Modulus

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dc.contributor.authorKim, Sang Yeob-
dc.contributor.authorHong, Won-Taek-
dc.contributor.authorLee, Jong-sub-
dc.date.accessioned2022-11-28T00:40:09Z-
dc.date.available2022-11-28T00:40:09Z-
dc.date.created2022-11-28-
dc.date.issued2022-08-
dc.identifier.issn2097-1583-
dc.identifier.urihttps://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/86158-
dc.description.abstractPortable in-situ devices have been used for characterizing low accessible field, such as the railway subgrade. In this study, the automated cone penetrometer (ACP) was designed for the application on the railway subgrade. ACP is composed of the cone tip, driving rod, and hydraulic hammer system. The hydraulic motor lifts and drops the 294.3 N hammer from a height of 200 mm such that the potential energy of 58.9 N?m impacts the driving rod. The N-value (NACP) from the ACP test was compared with the dynamic cone penetration index (DCPI) from the dynamic cone penetrometer (DCP) test. The test results show that the NACP and DCPI profiles show opposite trend owing to the inverse concept of the unit. From the correlation of DCPI and NACP, the limitation of DCPI reveals owing the minimum manually measured value of 1 mm/blow. Additionally, the evaluation of the deflection modulus (EFWD) using NACP is more efficient than that using DCPI. Based on the result of this study, we suggest that ACP can be used for strength and stiffness evaluation of railway subgrade rapidly and reliably. © 2022, Science Press. All right reserved.-
dc.language영어-
dc.language.isoen-
dc.publisherKEAI PUBLISHING LTD-
dc.relation.isPartOfResearch in Cold and Arid Regions-
dc.titleApplication of automated cone penetrometer for railway investigation using correlations with DCPI and Deflection Modulus-
dc.typeArticle-
dc.type.rimsART-
dc.description.journalClass1-
dc.identifier.wosid000916912000002-
dc.identifier.doi10.1016/j.rcar.2022.08.005-
dc.identifier.bibliographicCitationResearch in Cold and Arid Regions, v.14, no.4, pp.235 - 238-
dc.description.isOpenAccessN-
dc.identifier.scopusid2-s2.0-85169935204-
dc.citation.endPage238-
dc.citation.startPage235-
dc.citation.titleResearch in Cold and Arid Regions-
dc.citation.volume14-
dc.citation.number4-
dc.contributor.affiliatedAuthorHong, Won-Taek-
dc.type.docTypeArticle-
dc.subject.keywordAuthorAutomated cone penetrometer-
dc.subject.keywordAuthorDCPI-
dc.subject.keywordAuthorEFWD-
dc.subject.keywordAuthorNACP-
dc.subject.keywordAuthorRailway subgrade-
dc.subject.keywordPlusSTIFFNESS-
dc.subject.keywordPlusSTRENGTH-
dc.subject.keywordPlusSUBGRADE-
dc.relation.journalResearchAreaPhysical Geography-
dc.relation.journalWebOfScienceCategoryGeography, Physical-
dc.description.journalRegisteredClassscopus-
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