Evaluation method of dam behavior during construction
and reservoir filling and application to real dams
1.Tokyo University of Agriculture
and Technology, Tokyo, Japan; 2.Tokyo Electric Power
Company Limited, Tokyo, Japan; 3.Tokyo Electric Power
Services Company Limited, Tokyo, Japan;
In this paper we analyzed a real fill-type dam, named the Minami-Aiki Dam, to verify a numerical consolidation method with an elastoplastic model for unsaturated soils. The validities were conducted by comparing the analyzed and measured values during construction and impounding. The settlements calculated showed good agreement to those observed. Though the changing patterns of the measured and calculated pore water pressures were similar, the amounts of pore water pressures induced by the self-weights of embankment and the dissipation speeds were different. The earth pressures measured at the bottom of the core zone showed good agreement with those calculated. This method is valid for estimating behavior of fill-type dams during construction and impounding.
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