水力发电2011，Vol.37Issue(9)：35-38,67,5.
三板溪泄洪洞衬砌混凝土裂缝发生与发展过程
Study on the Development of Lining Concrete Cracks of Sanbanxi Spillway Tunnel
赵路 1冯艳 1段亚辉 2刘全兴 3李冲1
作者信息
- 1. 中国水电顾问集团中南勘测设计研究院,湖南 长沙410014
- 2. 武汉大学水资源与水电工程科学国家重点实验室,湖北 武汉430072
- 3. 中交第二航务工程勘察设计院有限公司,湖北 武汉430071
- 折叠
摘要
Abstract
The 3-D finite element method is applied to simulate the construction process of the concrete lining of Sanbanxi spillway tunnel, and the analysis on temperature and temperature-stress distributions of side-wall shows that the cracks in lining concrete will be developed richly and distributed irregularly. For the construction in summer, the development of cracks is: (a) the transverse joint of side wall will open in about the 3nd day after concrete pouring, (b) the cracks may occur in the low left and right corners and upper left corner in about the 7th day, (c) the cracks will extend and deepen during the 7th～28th day, and (d) the cracks in the central will further develop to run through the lining in winter. Therefore, effective temperature control measures must be taken to prevent cracks in summer construction.关键词
泄洪洞/衬砌混凝土/裂缝/贯穿裂缝/温度场/温度应力/三板溪水电站Key words
spillway tunnel/ lining concrete/ crack/ through crack/ temperature field/ thermal stress/ Sanbanxi Hydropower Station分类
建筑与水利引用本文复制引用
赵路,冯艳,段亚辉,刘全兴,李冲..三板溪泄洪洞衬砌混凝土裂缝发生与发展过程[J].水力发电,2011,37(9):35-38,67,5.
