Compound Effect of Dihydrate Gypsum and Silica Fume on Strength of Steel Slag-Cement Binding Materials

Published on Jan 1, 2015in Journal of Civil,Architectural & Environmental Engineering
· DOI :10.11835/J.ISSN.1674-4764.2013.03.021
Du Jun and Liu Jiaxiang1
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#1Xiang Xiaodong (WUST: Wuhan University of Science and Technology)H-Index: 2
#2Xi Jiachen (WUST: Wuhan University of Science and Technology)H-Index: 2
Last. Jiang Xinwei (WUST: Wuhan University of Science and Technology)H-Index: 1
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Abstract In order to utilize the steel slag effectively, the steel slag, compound agent, fine sand, gravel and admixture are used to prepare cement-free steel slag cementitious material. The compressive strength of the mortar can reach 70 MPa. The performance tests are conducted on the C50 grade of the material. The experimental results indicate that the relative dynamic modulus of elasticity maintains at 66% and the mass loss is 1.1% at 300 cycles, so the frost resistant grade of the material i...
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