Effect of Elevated Temperature on Microstructural and Durability Properties of High-Strength Concrete-Containing Eggshell

Table 6

Residual compressive strength due to sulfuric acid attack test result.

ESP (%)	After 28 days of water curing (MPa)			After 56 days of acid curing (MPa)
	@25°C	@200°C	@400°C	@25°C	@200°C	@400°C
0	62.99	61.14	55.13	51.08	49.12	44.30
5	63.41	64.07	58.27	54.87	55.58	51.02
10	55.76	51.60	50.69	47.55	41.54	37.58

Source: Own work, 2022.