Table 1.

Compressive strength of mortar containing wrecked bricks (coarse aggregate concrete).

Core Sample Code	Core Sampling Depth, cm	Compressive Strength, MPa		Volumetric Density, kg/m3
		Specimen	Average	Specimen	Average
N2	280–320	7.4	10.2 20 *	1650	1720 2.7 *
N3	320–380	9.2		1720
		11.5		1780
N4	390–440	7.8		1720
N6	670–700	11.0		1780
N10	700–730	11.8		1700
N12	200–220	12.7		1710
Note: specimens are cylinders Ø =115 mm, h =115 mm * variation, %