摘要
本文根据有限元支尉方程导出了反演坝体砼实际平均弹性模量Ecr、和热膨胀系数αcr的有关公式.从而确认了用"确定性模型"反演E_cr、α_cr的理论依据.最后,在一定假设条件下,结合回归分析法反演了佛子岭连拱坝(以下简称佛坝)第13号坝段的E_(cr)、α_(cr)所得结果经过验证令人满意.
To study the controlled motion of a concrete dam, the average elastic modulus Ecr and thermo-coefficient of expansion ?er of the dam must be determined.Based on the governing equation,the formula for the inverse analysis of Eer and ?er of concrete dams are derived.As an example, a specific method and a program of inverse analysis,for Fuziling Multi-arch Dam are discussed. From this example, it can be observed that the conclusions are reasonable and reliable. This method can also be used to analyze and study other hydraulic structures.
出处
《大坝观测与土工测试》
北大核心
1989年第1期15-19,14,共6页
Dam Observation and Geotechnical Tests
