A new method for evaluating the coefficient of consolidation

摘要

Based on Therzaghi''s one dimensional consolidation theory, a new method for evaluating coefficient of consolidation is proposed in this paper, which is more convenient than Casagrande''s logt method and Taylor''s √t method. Consolidation and permeability combined tests by GDS advanced consolidation testing system show that the coefficient of consolidation derived by the new method is very close to that by Taylor''s √t method, greater than that by Casagrande''s logt method and generally equal to the measured results: The tests also show that the primary consolidation settlement obtained by the new method is very close to that by Taylor''s √t method and less than that by Casagrande''s logt method.