农作物秸秆纤维改良沥青混合料研究现状OA

Based on previous research results,a generalized summary of the application of agricultural straw fibers in asphalt mixture was presented.Agricultural straw fibers have good oil absorption,high temperature resistance,and mechanical properties,which can promote the formation of more stable network structure in asphalt mixture,thereby improving their high-temperature performance and water stability,reducing the production of distresses such as cracks and peeling.However,excessive addition of straw fibers may increase the stiffness modulus of asphalt mastic and reduce the low temperature deforma-tion resistance of asphalt mixture.By analyzing the current application of agricultural straw fibers in asphalt mixtures,this paper aims to explore new avenues for the resource utilization of agricultural straw,while providing ideas and methods for the performance study of straw-modified asphalt mixtures.