Compressive strength and microstructure of Self Compacting Concrete with nylon fiber substitution

Abstract Concrete is the most widely used construction material as building because it has advantages such easy workability, high compressive strength, and economical in terms of manufacturing maintenance. However, there are some disadvantages obtained from use concrete, low tensile cracking, brittleness. Therefore, necessary to add fiber concrete increase ductility SCC maintain workability after substitution. The variation addition nylon 0.5% 1% weight cement with a diameter 0.35 mm 0.65 mm, length 15 20 mm. With length, strength increased by 126%. was also found be evenly distributed mixture did not experience clumping volume reduced 5-7% normal concrete. SEM results show clear interface between fiber, slippery morphology causes bonding become weak.