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The Effect of Steel Slag Powder on the Carbonation Resistance of Concrete

HUANG Lan1,ZHOU Guang-bo1,ZHANG Yu-cai1,HAN Chang-ju1,YANG Xiao-jie1,SONG Hua2   

  1. 1 Faculty of Building Materials, Kunming Metallurgy College, Kunming 650033,China; 2 Yun nan KISC Building Materials Group, Kunming 650302, China
  • Received:2015-04-24 Online:2015-07-01 Published:2015-07-01

Abstract:

In this paper,  the effect  of steel slag powder on the carbonation resistance of concrete was studied.The results show:the rate of concretecarbonization is faster in early  age and slow down with  carbonation time;The mixed with ste el slag powder can reduce the depth of carbonation of concrete late; Carbonized can improve the compressive strength of concrete and improvement rate reduces when steel slag are introduced.

Key words: steel slag , powder, concrete, carbonize

CLC Number: