1. Measurement of the degree of compaction by the impedance method;Tamura;J. Terramechanics,1992
2. The influence of vibratory compaction on soil strength and trafficability;Hefer,1990
3. On the compaction property in the application of the Towed Edge Huge Vibration Plate Tamper;Ishihara,1990
4. Strength of compacted earth fill;Ohta,1990
5. Studies on drivability of SHP hydraulic vibratory hammer;Aoi,1990