摘要
在研究反拱型水垫塘底板上整体水动力荷载特征的基础上,针对反拱底板的结构受力特点,提出了“随机拱”分析模型,对反拱型水垫塘底板结构局部和整体的稳定性进行了定量分析,从板块极限平衡角度给出了反拱型底板优于平底板的量化指标。
On the basis of the investigation of the averaged uplift force and fluctuating uplift force on the counter-arch slab in the plunge pool,by analyzing the structure features of the counter-arch slab,a'random arch'analysis model was proposed to determine the safety coefficient for both local stability and integral stability quantitatively.Meanwhile,the physical model test is also conducted to verify the theoretical model.The test results and calculated results are shown in rather good agreement.From the point of view of critical balance,the safety coefficient of counter-arch slab is about 3times higher than that of flat slab.
出处
《水利水电技术》
CSCD
北大核心
2001年第12期24-26,共3页
Water Resources and Hydropower Engineering
基金
国家电力公司重点科技项目资助.
