DC Field | Value | Language |
---|---|---|
dc.contributor.advisor | Lee, Haeng-Ki | - |
dc.contributor.advisor | 이행기 | - |
dc.contributor.author | Seo, Joon ho | - |
dc.date.accessioned | 2019-08-28T02:38:47Z | - |
dc.date.available | 2019-08-28T02:38:47Z | - |
dc.date.issued | 2018 | - |
dc.identifier.uri | http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=733670&flag=dissertation | en_US |
dc.identifier.uri | http://hdl.handle.net/10203/265603 | - |
dc.description | 학위논문(석사) - 한국과학기술원 : 건설및환경공학과, 2018.2,[v, 64 p. :] | - |
dc.description.abstract | The present study investigated the evolution of a binder gel in carbonation-cured Portland cement in an acidic medium. Three types of Portland cement with varying chemical compositions were carbonation-cured and exposed to $H_2SO_4$ or HCl. An acid attack induced significant changes in the local Al environment in normally cured cement showing the formation of ettringite and Friedel’s salt, while the local environment of Al in carbonation-cured cement mainly consisted of a tetrahedral aluminate structure and showed much less structural alternation. A thermal analysis showed that the carbonation products of belite were more stable than those of alite, with less gypsum formation under $H_2SO_4$ in the cement with relatively more belite. Depolymerization of the carbonation product, Ca-modified silicate gel, was observed in the samples immersed in acid. | - |
dc.language | eng | - |
dc.publisher | 한국과학기술원 | - |
dc.subject | Portland cement▼aCarbonation▼aDegradation▼aCharacterization▼aAcid attack | - |
dc.subject | 포틀랜드 시멘트▼a탄산화▼a열화▼a재료 특성▼a산 침투 | - |
dc.title | Evolution of the binder gel in carbonation-cured Portland cement in an acidic medium | - |
dc.title.alternative | 산 침투 시 탄산화양생된 포틀랜드 시멘트의 미세구조 변화 | - |
dc.type | Thesis(Master) | - |
dc.identifier.CNRN | 325007 | - |
dc.description.department | 한국과학기술원 :건설및환경공학과, | - |
dc.contributor.alternativeauthor | 서준호 | - |
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