Recycling of industrial waste and performance of steel slag green concrete

  • Yun-feng Li (李云峰)Email author
  • Yan Yao (姚 燕)
  • Ling Wang (王 玲)


Workability and mechanical properties of steel slag green concrete with different types of steel slag and different dosages of admixtures were investigated. The effectiveness of steel slag powder on suppressing alkali aggregate reaction (AAR) expansion was assessed using the method of ASTM C441 and accelerated test method. Experimental results show that mechanical properties can be improved further due to the synergistic effect and mutual activation when compound mineral admixtures with steel slag powder and blast-furnace slag powder are mixed into concrete. In addition, about 50% decrease in expansion rate of mortar bars with mineral admixtures can be achieved in AAR tests. Mineral admixtures with steel slag powder as partial replacement for Portland cement in concrete is an effective means for controlling expansion due to AAR.

Key words

concrete steel slag mechanical properties durability alkali aggregate reaction 


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Copyright information

© Central South University Press and Springer Berlin Heidelberg 2009

Authors and Affiliations

  • Yun-feng Li (李云峰)
    • 1
    • 2
    Email author
  • Yan Yao (姚 燕)
    • 2
  • Ling Wang (王 玲)
    • 2
  1. 1.College of Civil Engineering and ArchitectureShandong University of Science and TechnologyQingdaoChina
  2. 2.China Building Materials AcademyBeijingChina

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