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Strategic Study of CAE >> 2002, Volume 4, Issue 2

Effect of Mineral Powder on the Durability of Mortar and Concrete

Dept. Civil Engineering, Tsinghua University, Beijing 100084, China

Received: 2001-07-16 Revised: 2001-10-08 Available online: 2002-02-20

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Abstract

In this paper, the effect of mineral powder and W/B ratio on the charge passed with mortar and concrete under 56 day and 90 day´s standard curing age is investigated. For the same W/B ratio and same content of mineral admixture, the charge passed through concrete is far lower than that through the mortar. The charge passed data of either mortar or concrete with mineral admixture are lower than that of the plain samples. The charge passed of mortar and concrete decreases with the decrease of W/B and increase of curing age.

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References

[ 1 ] Streicher P E, Alexander M G. Achioride conduction test for concrete cement and concrete research,[J]C.C.R,1995,25(6):1284一1294

[ 2 ] 冯乃谦,邢锋.高性能混凝土技术[M].北京:原子能出版社,2000.6

[ 3 ] ASTMCI202-97, Standardiest method for electrical indication of conerete's ability to resist chonide ion penetration[S], Annual Book of ASTM Standards, 1997,04(02)

[ 4 ] 索默.H.高性能混凝土的耐久性[M]-冯乃谦,丁建彤,庄青峰,等译.北京:中国科学出版社,1998

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