Performance and Mechanism Study on C50 Micro-Expansion Polypropylene Fiber Reinforced Anti-Cracking Pumping Concrete

Gao He

doi:10.4028/www.scientific.net/AMR.535-537.1837

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 535-537Performance and Mechanism Study on C50...

Performance and Mechanism Study on C50 Micro-Expansion Polypropylene Fiber Reinforced Anti-Cracking Pumping Concrete

Abstract:

Based on the construction application of C50 anti-cracking pumping concrete, the influence of the polypropylene fiber and expansive agent on the concrete was studied. The workability, mechanical property, drying shrinkage and crack resistance of the pumping concrete and their mechanisms were tested. The results indicated that the workability achieve the standard of pumping concrete through increasing the dosage of polycarboxylic superplasticizers. The incorporation of polypropylene fiber and expansive agents has little influence on the compressive strength and elastic modulus, but will significantly enhance split tensile strength and decrease the drying shrinkage and cracking.

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Periodical:

Advanced Materials Research (Volumes 535-537)

Pages:

1837-1841

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.535-537.1837

Citation:

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Online since:

June 2012

Authors:

Gao He

Keywords:

Crack Resistance, Expansive Agent, Polypropylene Fiber, Pumping Concrete

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References

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