Experimental studies on red bed soft rock used as roadbed filling

Red bed extensively distributes in Huangshan Area of Anhui Province which belongs to category of soft rock and has the characteristics of softening and slaking with water. So the red bed soft rock cannot be used as roadbed filling directly. The feasibility of the slaking products of the red bed soft rock used as highway roadbed filling is discussed by experimental studies of the slaking of the red bed and the pavement performance of the slaking products. After the stability of the slaking of the red bed, through reasonable collocation of those parts of steady performance, the slaking products of the red bed can meet the strength and stability requirements of highway roadbed filling, and can be used as highway roadbed filling.