Reduction of Superplasticizer Dosage in Eco-friendly Ultra-high Performance Concrete by Adopting Industrial by-Products

산업부산물들 혼입에 의한 친환경 초고성능 콘크리트의 유동화제 사용량 감소

Kim, Heeae;Pyo, Sukhoon;Kim, Hyeong-Ki

  • Received : 2016.03.28
  • Accepted : 2016.06.13
  • Published : 2016.06.30


Assessment on adequate dosage of superplasticizer in eco-friendly ultra-high performance concrete (UHPC) containing industrial by-products was carried out from the standpoint of workability. Various types of industrial by-products, including blast-furnace slag, coal bottom ash and rapid-cooled electric arc furnace oxidizing slag, were utilized, and the effects of dosage of superplasticizer on the workability and strength of UHPC containing the by-products were evaluated. By utilizing the by-products, the workability of UHPC was improved and required dosage of superplasticizer was reduced. In addition, the material cost for UHPC with by-products was decreased due to reduced dosage of superplasticizer.


Ultra High Performance Concrete (UHPC);industrial by-products;blast furnace slag;bottom ash;rapid-cooled slag;superplasticizer;workability;material cost


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Supported by : 한국철도기술연구원, 한국연구재단