MAN Teng, WANG Boxin, JIN Henan and QIU Jianhui

世界地质(英文版) ›› 2014, Vol. 17 ›› Issue (2) : 99-104.

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世界地质(英文版) ›› 2014, Vol. 17 ›› Issue (2) : 99-104.
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Mix design and expansion behavior of sulpho-aluminate expansive cementitious composite

  • MAN Teng, WANG Boxin, JIN Henan and QIU Jianhui
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摘要

 

Abstract

Sulpho-aluminate expansive cementitious composite is proved to be one of the most effective ways to prevent concrete cracking too soon. Mix design of sulpho-aluminate expansive cementitious composite complete- ly depends on experience and experiments at present. This method ignores the influence of expansion behavior which hinders the application of sulpho-aluminate expansive cementitious composite. The workability,free ex- pansion property,flexural strength and compressive strength of sulpho-aluminate expansive cementitious com- posite have been investigated by tests. The relationship between expansion ratio and mix design parameters such as curing age,water-cement ratio and cement abundance coefficient is deduced according to the experimental statistics. A new simplified approach to mix design of sulpho-aluminate expansive cementitious composite is pro- posed as a reference for construction application,which avoids experiments and experience.

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Key words

sulpho-aluminate / expansive cement / mix design / expansive behavior

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MAN Teng, WANG Boxin, JIN Henan and QIU Jianhui.  [J]. 世界地质(英文版). 2014, 17(2): 99-104
MAN Teng, WANG Boxin, JIN Henan and QIU Jianhui. Mix design and expansion behavior of sulpho-aluminate expansive cementitious composite[J]. Global Geology. 2014, 17(2): 99-104
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