It is shown that W/C is a key factor that determines the early strength of the concrete.Incrporation of flyash and water reducer may improve the later strength and brittleness of paving concrete.

• 结果表明，水灰比是影响粉煤灰道路混凝土早期抗压强度的主要因素，掺入粉煤灰和减水剂有利于提高道路混凝土的后期强度、降低脆性系数。