摘要
通过积石峡大坝施工期浸水前后的沉降研究,可取得坝体自然状态与浸水期间的变形规律。本文对积石峡面板坝实测沉降进行整理分析并与公伯峡大坝进行对比。得到结果:大坝变形监测仪器工作正常;坝体实测沉降分布规律合理,最大沉降小于可行性研究报告的1%。结果表明:与公伯峡大坝相比,积石峡后期变形明显小,而且坝体沉降收敛速度明显要快,坝体浸水加速坝体沉降变形效果显著。
Through the research on settlement of Jishixia dam before and after immersion in construction period,the paper obtained the deformation law in natural state of dam and during immersion period.It also analyzed the settlement of actual measured of Jishixia CFRD and compared with Gongboxia dam.Results showed that the dam deformation monitoring instruments is normal;the dam measured settlement distribution law is reasonable,the maximum settlement is less than 1% of the feasibility study report.The final conclusion is that compared with Gongboxia dam,the late Jishixia deformation is very small and dam settlement convergence rate significantly accelerates.The immersion accelerates dam settlement and the deformation effect is significant.
出处
《水资源与水工程学报》
2013年第1期115-118,共4页
Journal of Water Resources and Water Engineering
基金
国家自然科学基金项目(50939004)
关键词
混凝土面板堆石坝
浸水期
沉降分析
concrete face rockfill dam（CFRD）
immersion period
settlement analysis
