Continuous surface wave and impact methods of measuring the stiffness and density of railway ballast
(2002)
Journal Article
Fairfield, C., & Zagyapan, M. (2002). Continuous surface wave and impact methods of measuring the stiffness and density of railway ballast. NDT and E International, 35(2), 75-81. https://doi.org/10.1016/s0963-8695%2801%2900034-2
Continuous surface wave and transient impact excitation tests were performed on strips of ballast to monitor their compaction. The ballast's shear wave velocity, hence the ratio of its shear modulus and density, increased with depth. Two types of tra... Read More about Continuous surface wave and impact methods of measuring the stiffness and density of railway ballast.