• Title/Summary/Keyword: 시멘트모르타르

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Evaluation of Properties of Polymer-Modified Mortar with CSA (CSA를 혼입한 폴리머 시멘트 모르타르의 성능평가)

  • Joo, Myung-Ki;Lho, Byeong-Cheol
    • Journal of the Korea institute for structural maintenance and inspection
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    • v.19 no.1
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    • pp.35-44
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    • 2015
  • Two main parameters were examined such as CSA content and polymer-binder ratio to find effects on the strength, water absorption, chloride ion penetration depth, carbonation depth, length change and chemical resistance of polymer-modified mortar with CSA and EVA polymer powder (EVAPP). As results, compressive, flexural, tensile, adhesive strengths, and length change of the polymer-modified mortar with CSA and EVAPP increases with increasing CSA content and polymer-binder ratio, although the water absorption, chloride ion penetration depth, and carbonation depth decrease with increasing polymer-binder ratio and CSA content, and also the chemical resistance decreases. Such strength and durability development is attributed to the high tensile strength of EVA polymer and the improved bond between cement hydrates and aggregates because of the addition of EVAPP and CSA.