Duracrete Polypropylene (PP) Fiber is manufactured in accordance with ASTM and ACI standards. While these standards provide specific methodology for quality assurance of the fiber quality, fiber dosage has not been explicitly specified. In the absence of specific criteria on dosage, researchers since early 1960’s have conducted tests for better understanding of optimum fiber dosage. Research published by Department of Civil Engineering, Penn State USA is enclosed as a reference document.
SUMMARY |
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SN | PROPERTIES | DOSAGE |
1 |
Shrinkage Cracking | Up to 0.3% by volume |
2 |
Tensile Strength | 0.2 – 0.3% by volume (ACI SP 105) |
3 |
Flexural Strength & Toughness | 1.5% by volume |
4 |
Impact Resistance | 0.2% by volume increases impact resistance by 250%. 0.3% by volume increases impact resistance by 900%. (ACI SP-142) |
5 |
Permeability | 0.1% fiber by volume |
6 |
Durability | 0.1% fiber by volume |
Reference: Source: Concrete Clinic PFRC |