An Improved Constitutive Statistical Damage Model of a Multisize Polypropylene-Fiber-Reinforced Concrete Under Compression

To study the effect of multisize polypropylene fibers on the compression characteristics of concrete cubes, ten sets of polypropylene fiber-reinforced concrete test pieces were designed and fabricated to obtain their stress–strain curves and mechanical parameters at different ratios of coarse and fi...

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Bibliographic Details
Published in:Mechanics of composite materials 2019-07, Vol.55 (3), p.385-392
Main Authors: Yang, X., Liang, N., Liu, X. R., Zhong, Z.
Format: Article
Language:English
Subjects:
Analysis
Ceramics
Characterization and Evaluation of Materials
Chemistry and Materials Science
Classical Mechanics
Composite materials
Composites
Compression tests
Constitutive models
Cubes
Damage assessment
Fiber reinforced concretes
Fiber reinforced polymers
Fibers
Glass
Materials Science
Mathematical models
Mechanical properties
Natural Materials
Polypropylene
Reinforced concrete
School construction
Solid Mechanics
Strain
Technology application
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Description
Summary:To study the effect of multisize polypropylene fibers on the compression characteristics of concrete cubes, ten sets of polypropylene fiber-reinforced concrete test pieces were designed and fabricated to obtain their stress–strain curves and mechanical parameters at different ratios of coarse and fine fibers. Results for the cubes with multisize fibers were better than for those with to single-size ones. Based on test results, an improved statistical damage constitutive model for such a material is proposed.
ISSN:0191-5665
1573-8922
DOI:10.1007/s11029-019-09819-8