水利水电技术2009，Vol.40Issue(11)：19-22,4.
论混凝土坝抗震设计与计算中混凝土动态弹性模量的合理取值
On the dynamic elastic modulus of concrete in the anti-earthquake design of concrete dams
摘要
Abstract
The value of the dynamic elastic modulus of concrete adopted in the anti-earthquake design of concrete dams is too low. As a result, the computed dynamic displacements and the natural periods of vibration are two large and the computed earthquake loads are two low. It is suggested to compute the dynamic elastic modulus of concrete by E_d = r_dE_s, where E_s is the instantaneous elastic modulus of concrete and r_d is a coefficient greater than 1.0, r_d≌1.15.关键词
混凝土坝/抗震设计/混凝土动态弹性模量Key words
concrete dam/ anti-earthquake design/ dynamic elastic modulus of concrete分类
建筑与水利引用本文复制引用
朱伯芳..论混凝土坝抗震设计与计算中混凝土动态弹性模量的合理取值[J].水利水电技术,2009,40(11):19-22,4.基金项目
中国工程院咨询项目"金沙江溪洛渡水电站重大技术问题研究" （）
国家自然科学基金雅砻江联合基金重大项目(50539020). （50539020）
