Mechanical Properties and Durability of Latex-Modified Fiber-Reinforced Concrete: A Tunnel Liner Application

Table 4

Properties of fibers.

Type of fiber		Elastic modulus (GPa)	Density (g/mm^3)	Length (mm)	Diameter (mm)	Tensile strength (MPa)	Aspect ratio (L/d)
Steel	Bundled type	200	7.8	30	0.5	1100	60
Polypropylene	Fibrillated bundle type	4	0.91	6	0.1	600	60
Macrosynthetic	Crimped type (monofilament)	10	0.91	30	1	550	30