Influence of a Clay Ground Stabilized with Blast Furnace Slag on Flexible Road Pavement Thickness and Cost

dc.authorid0000-0001-5992-2665en_US
dc.contributor.authorTanyıldızı,Mehmet Mahmut
dc.date.accessioned2022-04-20T07:43:36Z
dc.date.available2022-04-20T07:43:36Z
dc.date.issued2020en_US
dc.departmentMTÖ Üniversitesien_US
dc.description.abstractIt has become a necessity in Highway Engineering, due to today's heavy vehicle traffic loads, that subgrade with poor bearing capacity on which the road will rest be improved with various methods and additives. In this study, it has been aimed to improve clay soil with poor bearing strength with the contribution of waste blast furnace slag (BFS) and to investigate its effect on the thickness and cost of flexible road pavement. This study aims to improve clay soil with poor bearing strength with the contribution of waste BFS. Moreover, it tries to investigate the effects of BFS on the thickness and cost of flexible road pavement. For this purpose, in the study, stabilized mixture samples were prepared by adding 5, 10, 15, 20% by weight of BFS to the clay soil. After these prepared samples have been mixed homogeneously, standard proctor, unconfined compression and California Bearing Ratio (CBR) tests were applied to the samples. As a result of experimental studies, it was observed that the increase in BFS resulted in a decrease in the maximum dry density of the samples and an increase in the optimum moisture content. Also, the highest unconfined compression strength was obtained from 20% of BFS added samples. CBR values of the samples tested at this rate increased by 8.71 times compared to pure clay soil. Using these experimental data, the flexible road pavement layer thicknesses to be constructed with the AASHTO 1993 method on the BFS added ground were calculated, and pavement cost analyzes were made considering current prices. As a result of the calculations, the design calculation was made according to the layer thicknesses determined for both soils. it was determined that adding 20% BFS to the soil decreased the road pavement layer thickness by 29.41% compared to the pure clay soil. The cost calculation results show that compared to the pure clay soil, there is about a 5.65% decrease in the pavement cost for clayey soils with 20% BFS. According to these results, when the subgrade of a 1000 m in length and 20 m in width road is improved with 20% BFS, 8.400,00 TL saving will be provided in the cost of flexible pavementen_US
dc.identifier.citationTanyıldızı, M. M. (2020). Influence of a Clay Ground Stabilized with Blast Furnace Slag on Flexible Road Pavement Thickness and Cost . NATURENGS , 1 (2) , 17-31 .en_US
dc.identifier.doi10.46572/nat.2020.13
dc.identifier.endpage31en_US
dc.identifier.issn2717-8013en_US
dc.identifier.issue2en_US
dc.identifier.startpage17en_US
dc.identifier.urihttps://dergipark.org.tr/tr/pub/naturengs/issue/59260/776551
dc.identifier.urihttps://hdl.handle.net/20.500.12899/1013
dc.identifier.volume1en_US
dc.language.isoenen_US
dc.publisherMalatya Turgut Özal Üniversitesien_US
dc.relation.ispartofNATURENGSen_US
dc.relation.publicationcategoryMakale - Ulusal Hakemli Dergi - Başka Kurum Yazarıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectClay Soilen_US
dc.subjectBlast Furnace Slagen_US
dc.subjectStabilizationen_US
dc.subjectFlexible Pavementen_US
dc.subjectAASHTO Methoden_US
dc.titleInfluence of a Clay Ground Stabilized with Blast Furnace Slag on Flexible Road Pavement Thickness and Costen_US
dc.typeArticleen_US

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