Synthetic Macro Fiber Reinforced Concrete

Can synthetic macrofibers replace steel fibers for cement reinforcement? Of course , after all, steel fibers are expensive for concrete. Synthetic macrofibers, especially polypropylene fibers, have the advantages of easy dispersion, easy construction, no special maintenance, and are more cost-effective than steel fibers.

Performance comparison between synthetic macrofibers and steel fibers:

1. Tensile strength: Synthetic macrofibers such as polypropylene fibers have high tensile strength and can replace steel fibers for cement reinforcement

2. Dispersibility: Synthetic macrofibers have good dispersibility, while steel fibers have relatively poor dispersibility, which may lead to uneven internal structure of concrete

3. Construction convenience: Synthetic macrofibers are easy to construct and do not require special equipment, while steel fiber construction requires professional equipment

4. Cost: Synthetic macrofibers are generally less expensive than steel fibers, especially in large-scale applications

In addition, steel fibers may corrode in high humidity areas (such as marine environments), while glass fibers are at risk of spalling. Synthetic macrofibers are highly resistant to these factors, so they are valuable additives for concrete in these environments.