Models for Strength Prediction of High-Porosity Cast-In-Situ Foamed Concrete

Table 4

Comparison of the constants of various strength-porosity models.

Model by	Mix constituents	Constants
		Hoff [13]	Cement	115–290	2.7–3
Kearsley and Wainwright [14]	Cement with and without fly ash	188	3.1
Nambiar and Ramamurthy [12]	Cement-sand	155.66	4.3
	Cement-sand-fly ash	105.14	2.58
Present study	Cement	174.72	2.643
	Cement-sand	58.37	2.286
	Cement-fly ash	166.17	2.691