| 冰冻帷幕对高拱坝工作性态的影响 |
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| 引用本文： | 田斌,夏颂佑.冰冻帷幕对高拱坝工作性态的影响[J].河海大学学报(自然科学版),1997(1):6-12. |
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| 作者姓名： | 田斌 夏颂佑 |
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| 作者单位： | 河海大学水利水电工程学院 |
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| 摘 要： | 采用三维有限单元法对奥地利Ｋｏｌｎｂｒｅｉｎ拱坝用冰冻法处理坝踵开裂区及防渗帷幕后再蓄水时的工作性态进行了研究．研究认为，当坝体及地基为线弹性材料，计及库水压力、拱坝自重和冰冻温度荷载．得出了人工冻结是该坝处理后再次蓄水时坝踵又发生新开裂的诱导因素的结论
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| 关 键 词： | 拱坝 有限单元法 坝踵 开裂 冰冻帷幕 温度荷载 准稳定温度场 |
| 修稿时间： | 2005/1/28 0:00:00 |
Effects of Freezing Curtain on Large Arch Dams |
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| Tian Bin,Xia Songyou.Effects of Freezing Curtain on Large Arch Dams[J].Journal of Hohai University (Natural Sciences ),1997(1):6-12. |
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| Authors: | Tian Bin Xia Songyou |
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| Abstract: | The behaviour of the Klnbrein Arch Dam in Austria is studied with 3 D FEM, during the impounding stage after the treatment of freeze of the previous cracking area in the upstream heel. The elements of the dam body and the foundation are assumed to be linear elastic in the study the water pressure of the reservoir, the self weight load and the thermal load of the freezing curtain are considered. The conclusion is drawn: the second cracking in the upstream heel of the dam is induced by the artificial freezing curtain in the area. |
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| Keywords: | arch dam FEM upstream heel cracking freezing curtain thermal load quasi stable temperature field |
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