1. Effect of displacement type sand drains on strength and compressibility of soft clays;Akagi,1977
2. Consolidation caused by Mandrel-driven sand drains;Akagi,1979
3. Effects of mandrel-driven sand drains on soft clay;Akagi,1981
4. Observational procedure of settlement prediction;Asaoka;Soils and Foundations,1978
5. Performance of sand drains in a test embankment in soft Bangkok clay;Balasubramaniam,1980