| 基于弹性地基梁法的隧道衬砌裂缝间距和宽度的计算 |
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| 引用本文： | 荣耀,许锡宾,蔡晓鸿.基于弹性地基梁法的隧道衬砌裂缝间距和宽度的计算[J].重庆建筑大学学报,2006,28(5):23-26. |
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| 作者姓名： | 荣耀 许锡宾 蔡晓鸿 |
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| 作者单位： | 1. 同济大学,地下建筑与工程系,上海,200092
2. 重庆交通大学,西南水运工程科学研究所,400074,重庆 |
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| 摘 要： | 基于弹性地基梁建立了隧道衬砌的控制微分方程,根据圣维南原理推出裂缝间距相应中心角应满足的卓越方程,由此求出了隧道衬砌在荷载作用下产生的裂缝间距,进而确定相同裂缝间距和不同裂缝间距情况下的裂缝宽度。
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| 关 键 词： | 弹性地基梁 隧道衬砌 裂缝间距 裂纹宽度 |
| 文章编号： | 1006-7329(2006)05-0023-04 |
| 收稿时间： | 2006-05-15 |
| 修稿时间： | 2006年5月15日 |
Calculation of Crack Space and Crack Width of Tunnel Lining Based on Elastic Foundation Curved Beam Model |
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| RONG Yao,XU Xi -bing,CAI Xiao -hong.Calculation of Crack Space and Crack Width of Tunnel Lining Based on Elastic Foundation Curved Beam Model[J].Journal of Chongqing Jianzhu University,2006,28(5):23-26. |
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| Authors: | RONG Yao XU Xi -bing CAI Xiao -hong |
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| Affiliation: | 1. Civil Engineering School,Tongii University, Shanghai 200092, China ;2. Chongqing Jiaotong University, Chongqing 400074, China |
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| Abstract: | Based on the elastic foundation beam,the control differential equation of tunnel lining is worked out,according to the theory of Saint-Venant,the predominance equation about the center angle to the crack space is established, then the crack space of tunnel lining under the loads can be worked out and according to the crack space,the crack width can be calculated. |
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| Keywords: | elastic foundation beam tunnel lining crack space crack width |
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