Preliminary Examination of the System Fly Ash-Bottom Ash-Flue Gas Desulphurization Gypsum-Portland Cement-Water for Road Construction

Table 3

Compressive strength of cement-stabilized mixture for subbase layers.

Layer	Compressive strength (MPa)
	7 days	28 days
Subbase for motorways and very heavy traffic load	2–5.5	3.0–6
Subbase for heavy and medium traffic load	1.5–5.5	2.5–6