ESTIMATION OF SOIL PARAMETERS BASED ON MONITORED MOVEMENT OF SUBSOIL UNDER CONSOLIDATION

概要

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This paper presents a numerical procedure in which the soil parameters affecting the two dimensional consolidation are back-calculated from the data monitored in the field. By using a combination of finite element method and mathematical programming technique, the procedure allows to seek the unknown soil parameters which minimize the differences between calculated and measured quantities. Young's modulus, Poisson's ratio, and permeability coefficient in multiple soil layers are the soil parameters determined by the procedure. The validity of the proposed procedure is verified by calibrating the performance of the procedure being applied to hypothetical case studies. The applications to practical projects provide the interesting results such as the changing trend of soil parameter values during consolidation process. By applying the procedure at the early stage of consolidation, one may be able to predict the future settlements with a good accuracy.
社団法人地盤工学会の論文
1984-12-15