Experimental Behavior of Natural Fiber-Based Composites Used for Strengthening Masonry Structures

Table 2

Stress and Young's Modulus of the NF, NFRP, and NFRG (CoV is provided inside parentheses).

Matrix/fiber	Nonimpregnated		NFRP-Epoxy		NFRP-Polyester		NFRG
	𝑓𝑡	𝐸	𝑓𝑡	𝐸	𝑓𝑡	𝐸	𝑓𝑡	𝐸
	[MPa]	[MPa]	[MPa]	[MPa]	[MPa]	[MPa]	[MPa]	[MPa]
Jute	32.9	691.5	87.3	1382.2	80.3	4135.3	25.9	531.3
	(14%)	(11%)	(31%)	(17%)	(10%)	(20%)	(7%)	(10%)
Sisal	55.2	863.3	73.5	748.1	64.3	1431.5	35.6	345.5
	(17%)	(15%)	(15%)	(20%)	(21%)	(18%)	(8%)	(13%)
Hemp	46.7	618.7	63.1	1674.7	58.2	1535.0	33.1	268.2
	(8%)	(7%)	(12%)	(9%)	(13%)	(9%)	(8%)	(5%)
Flax	68.8	1746.9	117.4	1866.6	109.8	4393.3	57.2	774.2
	(7%)	(10%)	(17%)	(20%)	(17%)	(9%)	(3%)	(7%)