Mechanical Properties of Lightweight Concrete Partition with a Core of Textile Waste

Table 3

The values of first-crack strength, first-crack deflection, toughness indices, and residual strength factors of bending specimens.

Specimen code	Age at test	First-crack strength (kg⋅f)	First-crack deflection	Toughness indices			Residual strength factor
				𝐼5	𝐼10	𝐼20	𝑅5,10	𝑅10,20
PC2	28 days	563.7	0.335	—	—	—	—	—
FPC25	28 days	459	0.333	4.23	6.84	9.20	52.2	23.6
FPC26	28 days	373	0.313	3.94	5.94	8.97	40	30.3