Optimum Design and Performance of Porous Concrete for Heavy-Load Traffic Pavement in Cold and Heavy Rainfall Region of NE China

Table 1

Summary of test results of coarse aggregate.

Aggregate size (mm)	Density (g/cm^3)			Mud content (%)		Needle and plate particle content (%)		Crushing value (%)
	Apparent density	Surface dry density	Bulk volume density	Test results	Code requirement	Test results	Code requirement	Test results	Code requirement
9.5∼13.2	2.833	2.813	2.802	0.8	≤1	9.3	≤15	8.1	≤28
13.2∼16	2.831	2.819	2.813	0.7		7.4
16∼19	2.835	2.819	2.811	0.5		6.1
19∼26.5	2.784	2.770	2.762	0.4		3.6