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- W2377109708 abstract "The seismic safety of a high arch dam is studied through shaking table test and numerical simulation.The dynamic characteristics of the high arch dam system,weak portions,failure mode,as well as aseismic behaviors during earthquakes are discussed.A type of brittle material which has the same characteristic as the common concrete is used to study the dynamic failure process of high arch dam adopting the step loading method on shaking table.The dynamic characteristics,the change law of dam acceleration and dynamic strain are investigated.An elasto-brittle damage constitutive model is applied to simulate and analyze the dynamic failure process of high arch dam under meizoseismic motion.The comparison between the calculated results and those obtained from shaking table tests shows that they are close and definitely verified each other.The study also shows that the top of arch crown and one-quarter point of both sides are the vulnerable parts of arch dam and cracks normally appear near these parts under meizoseismic motion along stream direction.The cracks along the stream direction cut across arch dam and concrete block falls down from the top of arch crown.The arch dam is endangered to the impounding function and the structure bearing capacity.Vulnerable parts of the dam to earthquake loading and various factors that affect the earthquake-resistant behavior of the dam,such as the openings existing in the dam body,are discussed under meizoseismic motions of different levels.These researches provide basic data for performance-based aseismic design of high concrete arch dam." @default.
- W2377109708 created "2016-06-24" @default.
- W2377109708 creator A5005206746 @default.
- W2377109708 date "2009-01-01" @default.
- W2377109708 modified "2023-09-22" @default.
- W2377109708 title "EXPERIMENTAL STUDY AND NUMERICAL SIMULATION FOR SEISMIC FAILURE OF HIGH ARCH DAM ON SHAKING TABLE" @default.
- W2377109708 hasPublicationYear "2009" @default.
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