Influence of Crushed Basalt Aggregate on Crack Resistance of Concrete

Jian Jun Yan; Shi Hua Zhou; Shang Shi Peng

doi:10.4028/www.scientific.net/AMM.253-255.529

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 253-255Influence of Crushed Basalt Aggregate on Crack...

Influence of Crushed Basalt Aggregate on Crack Resistance of Concrete

Abstract:

The crack resistance of concrete with crushed basalt aggregate was studied. Compared with the limestone concrete, the basalt concrete has larger drying shrinkage and autogenous volume deformation. The linear expansion coefficient of basalt concrete is 1.3×10－6 /°C larger than that of limestone concrete, and it has additional temperature deformation of 24.1×10－6. According to the analysis on temperature-stress of concrete, the cracking temperature of basalt concrete is 8.9°C higher than that of limestone concrete, and the crack resistance of basalt concrete is unfavorable.

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Periodical:

Applied Mechanics and Materials (Volumes 253-255)

Pages:

529-532

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.253-255.529

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Online since:

December 2012

Authors:

Jian Jun Yan, Shi Hua Zhou, Shang Shi Peng

Keywords:

Basalt Aggregate, Concrete, Crack Resistance, Limestone

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References

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