Modeling the effects of soil improvement on train induced random ground-borne vibrations

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dc.authorid0000-0002-3654-0469
dc.authorid0000-0001-8522-3382
dc.authorid0000-0003-1490-4011
dc.contributor.authorBayındır, Cihanen_US
dc.contributor.authorKesten, Ali Sercanen_US
dc.contributor.authorEtminan, Ehsanen_US
dc.date.accessioned2025-09-15T11:51:15Z
dc.date.available2025-09-15T11:51:15Z
dc.date.issued2025-05-01
dc.departmentIşık Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, İnşaat Mühendisliğien_US
dc.departmentIşık University, Faculty of Engineering and Natural Sciences, Department of Civil Engineeringen_US
dc.description.abstractGround-borne vibrations by railway trains are generated at the rail-wheel interface due to the passage of wheels and due to irregularities of wheels and tracks. These vibrations need to be predicted and controlled during the design and service of the railway for the safety and serviceability of the railway to avoid possible vibrationinduced problems such as settlement and differential settlement due to their compaction effect, liquefaction, and discomfort of people. While such railway vibrations are modeled by different techniques, only a few studies do exist to analyze them in the case of soilimproved conditions. In this study, we propose a mathematical framework to study the effects of soil improvement on the ground-borne vibrations induced by railway trains. We use an experimentally calibrated model that utilizes the evolutionary random process approach to model the time-varying transfer functions between the axles of the train and the fixed observation point. The railway is modeled as a Winkler foundation with rail pads and corresponding transfer functions are used. The target area of this study is the Emin¨on¨u-Alibeyk¨oy Tramway Line in ˙Istanbul, which is under construction. Due to poor soil conditions at the specific stations along the proposed tramway route, soil improvement by the application of geo-synthetics is performed at the site and taken into account in our model. The improvement in soil conditions is modeled as increased vertical soil stiffness in the Winkler foundation of the evolutionary random process model. To model the various tramway loading conditions, both the 5-axle and 6-axle tramway configurations with non-uniform axle spacing are considered. We show that by increasing the vertical soil stiffness ksb, the vibration velocity and acceleration levels can be reduced significantly. By implementing the model proposed, we present the reduction of the vibration velocity and acceleration levels as the functions of soil improvement parameters and discuss our findings and the applicability of the model.en_US
dc.description.versionPublisher's Version
dc.identifier.citationBayındır, C., Kesten, A. S. & Etminan, E. (2025). Modeling the effects of soil improvement on train induced random ground-borne vibrations. TWMS Journal of Applied and Engineering Mathematics, 15(5), 1074-1085.en_US
dc.identifier.endpage1085
dc.identifier.issn2146-1147
dc.identifier.issn2587-1013
dc.identifier.issue5
dc.identifier.scopus2-s2.0-105009254964
dc.identifier.scopusqualityQ3
dc.identifier.startpage1074
dc.identifier.urihttps://hdl.handle.net/11729/6703
dc.identifier.urihttps://jaem.isikun.edu.tr/web/index.php/current/131-vol15no5/1391
dc.identifier.volume15
dc.identifier.wosWOS:001492196700003
dc.identifier.wosqualityQ4
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakEmerging Sources Citation Index (ESCI)en_US
dc.institutionauthorEtminan, Ehsanen_US
dc.institutionauthorid0000-0003-1490-4011
dc.language.isoenen_US
dc.peerreviewedYes
dc.publicationstatusPublished
dc.publisherIsik Universityen_US
dc.relation.ispartofTurkish World Mathematical Society Journal of Applied and Engineering Mathematicsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subject65T50en_US
dc.subject65Z05en_US
dc.subjectRandom vibrationsen_US
dc.subjectSoil improvementen_US
dc.subjectTrain induced vibrationsen_US
dc.titleModeling the effects of soil improvement on train induced random ground-borne vibrationsen_US
dc.typeArticleen_US
dspace.entity.typePublicationen_US

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