Mechanical Evaluation of Bottom Ash from Municipal Solid Waste Incineration Used in Roadbase

Table 2

Physical properties of aggregates.

Aggregate	Sizes (mm)	Crushing value (%)	Apparent density (g/cm^3)	Water absorption rate (%)
Standard (JTG E42-2005)	T0302-2005	T0350-2005	T0328-2005	T0330-2005
Original bottom ash	(2.36∼4.75)	30.6	2.412	9.647
	(4.75∼9.5)	32.5	2.458	7.74
	(9.5∼19.0)	33.1	2.318	6.23
	(≥19)	43.6	2.253	6.75
Cracked bottom ash	(2.36∼4.75)	32.3	2.468	8.89
	(4.75∼9.5)	34.7	2.402	6.41
Limestone aggregate	(2.36∼4.75)	25.3	2.733	0.81
	(4.75∼9.5)	18.2	2.715	0.62
	(9.5∼19.0)	22.6	2.726	0.74
	(≥19)	24.9	2.731	0.70