[Retracted] Finite Element of Nanoscale Carbon Fiber-Reinforced Concrete Bridge Engineering Monitoring Based on Data Mining Technology

Table 2

Indicators of various fiber materials.

	Rebar	Strand	GFRP	CFRP	AFRP
Tensile strength (MPa)	481∼690	1377∼1864	520∼1243	1560∼7000	1200∼2060
Elastic modulus (GPa)	200	183∼200	41∼55	84∼97	52∼77
Elongation (mm)	>0.1	>0.04	0.035∼0.05	0.01∼0.015	0.02∼0.026
Thermal expansion coefficient (10^−6°C)	11.7	11.7	9.8	0.1	−1.2
Proportion	7.9	7.9	1.5∼2.0	1.5∼1.6	1.25