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

Table 5

Compressive strength of the concrete with different replacement percentages and age.

Curing days	Mix-code	Compressive strength			Target mean; strength (MPa)	Percentage of target strength of 33.5 (MPa)
		1	2	3
7 days	Mix-1	23.73	23.62	23.59	23.64	70.5672
	Mix-2	22.46	21.98	23.1	22.48	67.1045
	Mix-3	21.69	21.28	21.4	21.46	64.0597
	Mix-4	20.28	20.81	21.04	20.71	61.8209
	Mix-5	13.94	14.92	14.96	14.62	43.6418
14 days	Mix-1	28.5	26.86	27.83	27.73	82.7761
	Mix-2	27.99	27.54	26.79	27.44	81.9104
	Mix-3	26.32	27.2	26.65	26.71	79.7313
	Mix-4	23.87	25.47	24.3	24.57	73.3433
	Mix-5	21.8	22.24	20.42	21.28	63.5224
28 days	Mix-1	34.25	34.21	35.82	34.79	103.851
	Mix-2	36.34	35.17	36.01	35.84	106.985
	Mix-3	33.81	34.65	32.49	33.55	100.149
	Mix-4	32.12	29.98	31.26	31.12	92.8955
	Mix-5	29.18	27.19	28.74	28.36	84.6567