Please use this identifier to cite or link to this item: http://cmuir.cmu.ac.th/jspui/handle/6653943832/76786
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dc.contributor.authorPhattharachai Maichinen_US
dc.contributor.authorPeerapong Jitsangiamen_US
dc.contributor.authorToon Nongnuangen_US
dc.contributor.authorKornkanok Boonsermen_US
dc.contributor.authorKorakod Nusiten_US
dc.contributor.authorSuriyavut Pra-Aien_US
dc.contributor.authorTheechalit Binareeen_US
dc.contributor.authorChuchoke Aryupongen_US
dc.date.accessioned2022-10-16T07:17:38Z-
dc.date.available2022-10-16T07:17:38Z-
dc.date.issued2021-04-02en_US
dc.identifier.issn19961944en_US
dc.identifier.other2-s2.0-85104528609en_US
dc.identifier.other10.3390/ma14081858en_US
dc.identifier.urihttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85104528609&origin=inwarden_US
dc.identifier.urihttp://cmuir.cmu.ac.th/jspui/handle/6653943832/76786-
dc.description.abstractWith a lack of standard lateritic soil for use in road construction, suitable economical and sustainable soil-stabilization techniques are in demand. This study aimed to examine flue gas desulfurization (FGD) gypsum, a by-product of coal power plants, for use in soil–cement stabilization, specifically for ability to strengthen poor high-clay, lateritic soil but with a lower cement content. A series of compaction tests and unconfined compressive strength (UCS) tests were performed in conjunction with scanning electron microscope (SEM) analyses. Therefore, the strength development and the role of FGD gypsum in the soil–cement–FGD gypsum mixtures with varying cement and FGD gypsum contents were characterized in this study. The study results showed that adding FGD gypsum can enhance the strength of the stabilized substandard lateritic soil. Extra FGD gypsum added to the cement hydration system provided more sulfate ions, leading to the formation of ettringite and monosulfate, which are the hardening cementitious products from the cement hydration reaction. Both products contributed to the strength gain of the soil–cement–FGD gypsum material. However, the strength can be reduced when too much FGD gypsum is added because the undissolved gypsum has a weak structure. Examinations of FGD gypsum in the soil–cement–FGD gypsum mixtures by SEM confirmed that adding FGD gypsum can reduce the cement content in a soil–cement mix to achieve a given UCS value.en_US
dc.subjectMaterials Scienceen_US
dc.subjectPhysics and Astronomyen_US
dc.titleStabilized high clay content lateritic soil using cement-fgd gypsum mixtures for road subbase applicationsen_US
dc.typeJournalen_US
article.title.sourcetitleMaterialsen_US
article.volume14en_US
article.stream.affiliationsUniversity of Phayaoen_US
article.stream.affiliationsRajamangala University of Technology Isanen_US
article.stream.affiliationsNaresuan Universityen_US
article.stream.affiliationsChiang Mai Universityen_US
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