Research Article

Compressive Test Characteristics and Constitutive Relationship of Wet Polypropylene Macrofiber-Reinforced Shotcrete

Table 2

Properties of polypropylene macrofibers.

Property of materialsPerformance description

Length48 mm
Shape structureWave type, star cross-section
Equivalent toughness 0f 50 kg of steel fiber5–8 kg
The number of fibers per kilogram44000–78000
Tensile strength530 MPa
Modulus of elasticity7 GPa