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6861175 
Journal Article 
Strength properties of nylon- and polypropylene-fiber-reinforced concretes 
Song, PS; Hwang, S; Sheu, BC; , 
2005 
Yes 
Cement and Concrete Research
ISSN: 0008-8846 
PERGAMON-ELSEVIER SCIENCE LTD 
OXFORD 
1546-1550 
WOS:000231192700012 
The strength potential of nylon-fiber-reinforced concrete was investigated versus that of the polypropylene-fiber-reinforced concrete, at a fiber content of 0.6 kg/m(3). The compressive and splitting tensile strengths and modulus of rupture (MOR) of the nylon fiber concrete improved by 6.3%, 6.7%, and 4.3%, respectively, over those of the polypropylene fiber concrete. On the impact resistance, the first-crack and failure strengths and the percentage increase in the postfirst-crack blows improved more for the nylon fiber concrete than for its polypropylene counterpart. In addition, the shrinkage crack reduction potential also improved more for the nylon-fiber-reinforced mortar. The above-listed improvements stemmed from the nylon fibers registering a higher tensile strength and possibly due to its better distribution in concrete. (c) 2004 Elsevier Ltd. All rights reserved. 
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