Research Article

Effect of Hybrid Steel-Basalt Fiber on Behaviors of Manufactured Sand RPC and Fiber Content Optimization Using Center Composite Design

Table 8

Physical properties of basalt fibers.

IndexLength (mm)Diameter (mm)Density (g/cm3)Elastic modulus (GPa)Tensile strength (MPa)Elongation at fracture (%)

Unit value127–152.6591∼1103000∼48001.5∼3.2