Analyzing the Mechanical, Durability, and Microstructural Impact of Partial Cement Replacement with Pumice Powder and Bamboo Leaf Ash in Concrete

Table 8

Flexural strength increment/reduction (%) to Mix-1 (Control).

	Flexural strength increment/reduction (%) to Mix-1 (control) by different curing age
Curing day	Mix-1	Mix-2	Mix-3	Mix-4	Mix-5
7 days	0	−5.88	−12.41	−14.55	−16.76
14 days	0	−2.08	−1.92	−2.4	−10.84
28 days	0	+ 4.99	−2.17	−11.8	−15.63