Sulfate and Freeze-thaw Resistance Characteristic of Multi-component Cement Concrete Considering Marine Environment

해양환경을 고려한 다성분계 시멘트 콘크리트의 황산염 및 동결융해 저항 특성

Kim, Myung-Sik;Beak, Dong-Il;Kang, Jun-Ho

  • Received : 2012.03.08
  • Accepted : 2012.06.21
  • Published : 2012.06.30


Recently, concrete using multicomponent blended cement has been required to increase the freeze-thaw and sulfate resistances of concrete structures exposed to a marine environment. Thus, the purpose of this study was to propose the use of concrete containing multicomponent blended cement as one of the alternatives for concrete structures exposed to a marine environment. For this purpose, batches of concrete containing ordinary portland cement (OPC), binary blended cement (OPC-G, G: ground granulated blast slag), ternary blended cement (OPC-GF, F: fly ash), and quaternary blended cement (OPC-GFM, M: mata-kaolin) were made using a water-binder ratio of 50%. Then, the durability levels, including thesulfate and freeze-thaw resistances, were estimated for concrete samples containing OPC, OPC-G, OPC-GF, and OPC-GFM. It was observed from the tests that the durability levels of the concrete samples containing OPC-G and OPC-GF were found to be much better than that of the concrete containing OPC. The optimum mixing proportions were a40% replacement ratio of ground granulated blast slag for the binary blended cement and a30% replacement ratio of ground granulated blast slag and 10% fly ash for the ternary blended cement.


Freeze-thaw attack;Sulfate attack;Fly ash;Ground granulated blast slag;Mata-kaolin


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