Shear and compression wave velocities have been demonstrated to be quite useful for determining basic engineering properties of the soil mass by earlier researchers. To achieve this, resonant column, cyclic triaxial and tortional shear tests have been employed. However, these methods are not only quite elaborate and expensive but require skilled manpower, are cumbersome and time consuming. This calls for development of an alternate methodology that can be employed for characterizing the soil mass, which is not very intricate and is cost-effective. In this situation, usage of piezoceramic elements seems to be a good option. With this in view, an attempt has been made to develop a simple and cost-effective methodology for measuring these parameters in different types of soils, compacted to different compaction states. The suitability of the methodology has been demonstrated for characterization of the soil mass for engineering purpose.

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Prof. D. N. Singh is a faculty in Civil Engineering Department, IIT Bombay, since 1994 and mainly specializes in the field of Environmental Geotechnology. Dr. Anjan Patel is a Lecturer in Civil Engineering Dept., VSS University of Technology, Burla (INDIA).His areas of interest are Geotechnical and Geophysical investigation.