摘要: The H-type welding frame of passenger car bogie was simplified to the model composed of straight girders with uniform sections, the measures to reduce the distortion stiffness of the bogie frame was researched by observing the deformation distributions of different girders under distortion load, and...
摘要: In order to improve the road performances of base course made of large stone porous asphalt mixture(LSPM), MAC(multigrade asphalt cement) modified asphalt was used in LSPM, the performances of matrix aphalt, MAC modified asphalt and SBS modified asphalt were compared, the material composition design...