Study on Mechanical Properties of Basalt Fiber-Reinforced Concrete with High Content of Stone Powder at High Temperatures

Table 2

Mechanical and physical properties of basalt fiber.

Parameters	Values
Diameter (μm)	7∼15
Length (mm)	6, 12, 18
Color	Golden
Tensile strength (MPa)	3000∼4800
Elastic modulus (GPa)	91∼110
Density (g·cm^−3)	2.63∼2.65
Thermal conductivity (W·m^−1·K^−1)	0.03∼0.038
Service temperature (°C)	−269∼650