Mechanical Properties and Conversion Relations of Strength Indexes for Stone/Sand-Lightweight Aggregate Concrete

Table 4

Compressive strength of specified density shale aggregate concrete.

Type	r (%)	Dry apparent density (kg/m^3)	(MPa)	(MPa)
Stone-LAC	0	1330	35.8	24.7	0.69
	25	1450	39.5	33.6	0.85
	50	1550	41.5	35.4	0.85
	75	1740	46.8	40.7	0.87
	100	1940	55.6	47.3	0.85
Sand-LAC	0	1330	35.8	24.7	0.69
	50	1510	42.1	35.9	0.85
	100	1550	44.8	42.4	0.95