| 堆石料湿化对混凝土面板堆石坝应力变形特性影响研究 |
| |
| 引用本文： | 张孝军,米占宽.堆石料湿化对混凝土面板堆石坝应力变形特性影响研究[J].岩土力学,2006,27(Z2):502-506. |
| |
| 作者姓名： | 张孝军 米占宽 |
| |
| 作者单位： | 1. 武汉大学 水资源与水电工程科学国家重点实验室，武汉 430072；
2. 长江勘测规划设计研究院，武汉430010；3. 南京水利科学研究院，南京 210024 |
| |
| 摘 要： | 心墙堆石坝的湿化变形已经为人们认识和重视，面板堆石坝由于上游有混凝土面板挡水，其湿化变形很少引起重视，但由湿化变形比较明显的堆石料填筑的坝体，在降雨过程中往往产生较大湿化变形，影响混凝土面板的工作性状。本文研究提出了大气降水引起堆石体达到一定饱和度情况下湿化变形的计算方法。进行了滩坑水电站混凝土面板堆石坝堆石料湿化变形试验，采用弹塑性平面有限单元法，分析研究了堆石料浸水湿化对坝体应力变形以及混凝土面板应力变形性状的影响。
|
| 关 键 词： | 面板堆石坝 湿化变形 |
| 收稿时间： | 2006-11-30 |
A study of rockfill wetting deformation and its effects on stress and deformation
characteristics of concrete face rockfill dam |
| |
| ZHAN Xiao-jun,MI Zhan-kuan.A study of rockfill wetting deformation and its effects on stress and deformation
characteristics of concrete face rockfill dam[J].Rock and Soil Mechanics,2006,27(Z2):502-506. |
| |
| Authors: | ZHAN Xiao-jun MI Zhan-kuan |
| |
| Institution: | 1. State Key Laboratory of Water Resource and Hydropower Engineering, Wuhan University, Wuhan 430072, China; 2. Changjiang Institute of Survey, Planning, Design and Research, Wuhan 430010, China; 3. Nanjing Hydraulic Research Institute, Nanjing 210024, China |
| |
| Abstract: | Man has known the wetting deformation of core wall type rockfill dam and paid emphasis on it. However, the wetting deformation of CFRD concrete face rockfill dam is neglected for its water retaining by the upstream face slab. It will bring obvious wetting deformation and affect the face slab’s working condition for the dam body which was filled by the rockfill materials whose wetting deformation are rather large. The computation methods of wetting deformation are proposed to analyse its effects on the stress and deformation of dam body and concrete face slab by FEM based on the wetting deformation experiments of rockfill materials in Tankeng Hydroelectric Station. |
| |
| Keywords: | concrete face rockfill dam wetting deformation |
|
| 点击此处可从《岩土力学》浏览原始摘要信息 |
| 点击此处可从《岩土力学》下载免费的PDF全文 |
