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A Study on the Applicability of Heavyweight Waste Glass and Steel Slag as Aggregate in Heavyweight Concrete

고밀도 폐유리와 제강슬래그의 중량 콘크리트 골재로의 적용성에 관한 연구

Choi, So-Yeong;Kim, Il-Sun;Choi, Yoon-Suk;Yang, Eun-Ik
최소영;김일순;최윤석;양은익

  • Received : 2018.12.18
  • Accepted : 2019.02.22
  • Published : 2019.03.01

Abstract

The many countries are facing the shortage of natural resources, and the supply of aggregates are being exhausted. To consider this situation a variety of studies were performed for the development of alternative resources. In particular, high density filler material was used for shielding radioactive waste, large amount of natural aggregates are required in order to produce filler material. Also, in order to improve the shielding performance of filler material, it is required to increase the density of the filler material. Therefore, in this study was carried out to provide basic data for expanding the feasibility of high density industrial waste resource as aggregate in heavyweight concrete. From the test results, OPC case, concrete strength decreased by using heavyweight waste glass as fine aggregate, however, it is improved by using mineral admixture as binder. Therefore, when the heavyweight waste glass and steel slag are applied to heavyweight concrete, it is desirable to use mineral admixture, especially to use BFS than FA. Meanwhile, when the steel slag was replaced as coarse aggregate of heavyweight concrete, elasticity of modulus and radiation shielding performance can be improved owing to high density of steel slag.

Keywords

Heavyweight waste glass;Steel slag;Heavyweight concrete;ASR;Mechanical properties

Acknowledgement

Supported by : 한국에너지기술평가원(KETEP)