1. displacement of the earth-retaining sheet piles ceeding of Is-Tokyo '96, The 2nd International Conference on Ground Improvement Geosytems: 393-398: Rotterdam:
2. Field measurements undertaken for evaluating (1999) "Earth retaining excavation using sheet pile and self the coefficient of subgrade reaction which is a supported earth retaining wall by Deep Mixing Method Uscritical parameter for ground spring model. The ing Coal Ash." Proceeding of 13th International Sympomeasured coefficient values are lower than those sium on Use and Management of Coal Combustion Prodcalculated by traditional equation in Japan.
3. improvement." Proceeding of 10th International Conference
4. search Institute tion" Proceeding of Is-Tokyo '99, Geotechnical Aspects of underground construction in soft ground: 693-698: Rotterdam: Balkema.