Cold-patch bituminous mixture and preparation method thereof

The invention belongs to a repair material for road construction and a preparation method thereof and in particular relates to cold-patch bituminous mixture which is characterized by consisting of an aggregate, a filling material, bitumen, a diluent and a reinforcing agent, wherein the mass ratio of the aggregate to the filling material to the bitumen to the diluent to the reinforcing agent is 100:(1-10):(3-6):(0.5-2):(0.1-2). The method has the advantages of simple preparation process and low cost; and the prepared cold-patch bituminous mixture has the characteristics of high strength and long service life. The cold-patch bituminous mixture is especially suitable for repair of road potholes; and the construction is convenient and rapid, dose not close traffic, dose not pollute environment and is not restricted to weather conditions.