摘要
以引江济淮工程淠河总干渠渡槽为参考研究对象,采用离心机振动台对刚性渡槽在简谐荷载激励下的动水压力进行了试验研究,并将试验结果与常用的简化模型的计算结果进行了对比分析。试验结果表明:动水压力与加速度幅值呈线性相关,与加载频率、水深呈非线性相关;离心模型试验可以准确的模拟动水压力及流固耦合作用,可以为水弹性问题的研究提供新的分析方法。
Taking the main canal aqueduct of Pihe River of the Yangtze-to-Huaihe Water Diversion Project as a reference research object,an experimental study is conducted on the dynamic water pressure of a rigid aqueduct under harmonic excitation using a centrifuge shaking table.The experimental results are compared and analyzed with those of the commonly used simplified models.The experimental results show that the dynamic water pressure is linearly correlated with the amplitude of acceleration,and nonlinearly correlated with the loading frequency and water depth.The centrifugal model tests can accurately simulate the dynamic water pressure and fluid-structure coupling effects,providing new analytical methods for the studies on the hydro-elasticity problems.
作者
曲树盛
张宇亭
安晓宇
聂智超
甘旭东
QU Shusheng;ZHANG Yuting;AN Xiaoyu;NIE Zhichao;GAN Xudong(Tianjin Research Institute for Water Transport Engineering,Ministry of Transport,Tianjin 300456,China;Anhui Provincial Group Limited for Yangtze-to-Huaihe Water Diversion,Hefei 230601,China)
出处
《岩土工程学报》
EI
CAS
CSCD
北大核心
2024年第S01期259-263,共5页
Chinese Journal of Geotechnical Engineering
基金
中央级公益性科研院所基本科研业务费专项资金项目(TKS20240401)。
关键词
大型渡槽
水弹性模型
离心机振动台
动水压力
large-scale aqueduct
hydro-elastic model
centrifuge shaking table
dynamic water pressure
