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Additional Vogt Coefficients and Improved Trial Load Method for Arch Dams

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In recent years,the perceivable difference in observed and computed deflections for arch dams suggests the necessity to consider the side-load action of the hydrostatic pressure on reservoir basin (HPRB).In this paper,two additional Vogt coefficients with regard to the normal and angular deflections of arch dam foundation due to the action of HPRB are firstly elaborated,then an algorithm of the improved trial load method (ITLM) taking into account of conventional (six) and additional (two) Vogt coefficients is implemented.The elastic finite element method is employed as the bench mark in the verification of the improved method,which confirms that a better prediction of dam deflections and their gradient related stresses for arch dams may be provided by the ITLM taking into account of HPRB action.

arch damhydrostatic pressure on reservoir basin (HPRB)additional Vogt coefficientstrial load method (TLM)

CHEN Shenghong、SHI Zhongyue、XU Qing

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State Key Laboratory of Water Resources and Hydropower Engineering Science, Wuhan University, Wuhan 430072, Hubei,China

Supported by the Key Program of the National Natural Science Foundation of China

51939008

2020

10.19823/j.cnki.1007-1202.2020.0032

武汉大学自然科学学报(英文版)
武汉大学

武汉大学自然科学学报(英文版)

CSTPCDCSCD
影响因子：0.066
ISSN：1007-1202
年,卷(期)：2020.25(3)
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