Feasibility Study of Expanded Clay Aggregate Lightweight Concrete for Nonstructural Applications

Table 7

Physio–mechanical characterization of ECA.

Clay sample	Nandipur clay-1,200°C
	PS	ρA	WA24	S	S/ρA
PC	15	0.88	6.91	1.73	1.97
CF1	15	0.83	8.62	1.68	2.02
CF2	15	0.66	6.13	1.85	2.80
CK3	15	0.60	9.34	1.12	1.87
CK1	15	0.61	9.5	1.07	1.78
CK2	15	0.53	10.50	1.08	2.03
CFK1	15	0.60	11.12	0.84	1.40
CFK2	15	0.59	11.15	0.82	1.38

S = crushing strength of single aggregate (MPa), ρ_A = particle density (g/cm³), WA₂₄ = water absorption (%), PS = pellet diameter (mm), and S/ρ_A = single aggregate crushing strength to particle density.