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Global Geology 2014, 17(2) 99-104 DOI:
ISSN: 1673-9736 CN: 22-1371/P |
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Mix design and expansion behavior of sulpho-aluminate expansive cementitious composite |
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MAN Teng, WANG Boxin, JIN Henan and QIU Jianhui |
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College of Construction Engineering��Jilin University��Changchun 130026��China |
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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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Keywords��
sulpho-aluminate
expansive cement
mix design
expansive behavior
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Received Revised Online: |
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