An Experimental Investigation on Flexural Behavior of Reinforced Concrete Beams Strengthened by an Intelligent CFRP Plate with Built-In Optical Fiber Bragg Grating Sensors

Table 5

Mechanical properties for the test materials.

Test materials	Specification	Yield strength (N/mm^2)	Tensile strength (N/mm^2)	Elastic modulus (N/mm^2)	Elongation (%)
Epoxy resin adhesive	A + B	—	51.3	3558.3	1.6
CFRP plate	100 mm × 1.4 mm	—	2521.59	153.7 × 103	1.6
Steel bars HPB300	8 mm	304	479	210 × 103	32
Steel bars HPB335	18 mm	380	575	200 × 103	34
Steel bars HPB335	22 mm	410	565	200 × 103	24