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R. A. S., M. (2006). EFFECT OF POLYPROPYLENE FIBERS ON THE MECHANICAL PROPERTIES OF NORMAL CONCRETE. JES. Journal of Engineering Sciences, 34(No 4), 1049-1059. doi: 10.21608/jesaun.2006.110765
Mohamed R. A. S.. "EFFECT OF POLYPROPYLENE FIBERS ON THE MECHANICAL PROPERTIES OF NORMAL CONCRETE". JES. Journal of Engineering Sciences, 34, No 4, 2006, 1049-1059. doi: 10.21608/jesaun.2006.110765
R. A. S., M. (2006). 'EFFECT OF POLYPROPYLENE FIBERS ON THE MECHANICAL PROPERTIES OF NORMAL CONCRETE', JES. Journal of Engineering Sciences, 34(No 4), pp. 1049-1059. doi: 10.21608/jesaun.2006.110765
R. A. S., M. EFFECT OF POLYPROPYLENE FIBERS ON THE MECHANICAL PROPERTIES OF NORMAL CONCRETE. JES. Journal of Engineering Sciences, 2006; 34(No 4): 1049-1059. doi: 10.21608/jesaun.2006.110765

EFFECT OF POLYPROPYLENE FIBERS ON THE MECHANICAL PROPERTIES OF NORMAL CONCRETE

Article 2, Volume 34, No 4, July and August 2006, Page 1049-1059  XML PDF (520.42 K)
Document Type: Research Paper
DOI: 10.21608/jesaun.2006.110765
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Author
Mohamed R. A. S.*
Associate Profosser, Civil Engineering Department, Faculty of Engineering, El-Minia University, El-Minia, Egypt.
Abstract
The present work investigates the effect of addition of pure polypropylene fibers to concrete in order to diminish some poor performances particularly in case of ductility and tensile strength. The effect of the addition of polypropylene fibers on the mechanical properties of normal strength concrete is studied. The polypropylene fibers were added at concentration of 0.25, 0.5, 1.0 and 1.5% by volume. Compression, pullout and bending tests were carried out to determine the mechanical properties such as maximum compressive strength, modulus of elasticity, splitting strength, ductility, bond strength, modulus of rupture and the percentage of absorption. On the basis of the experimental results, it can be concluded that, ductility of concrete significantly increased and maximum compressive strength slightly increased with increasing the content of polyproplylene fibers materials. Further increase of polypropylene fibers (higher values than 0.5 vol. %) did not increase the ultimate bond strength, but it provided much more ductile bond behaviour. Besides, the addition of polypropylene fibers caused a significant increase in the percentage of water absorption for the tested concrete specimens.
Keywords
Concrete; compressive strength; bond strength; polypropylene fiber
Main Subjects
Civil Engineering: structural, Geotechnical, reinforced concrete and steel structures, Surveying, Road and traffic engineering, water resources, Irrigation structures, Environmental and sanitary engineering, Hydraulic, Railway, construction Management.
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