| 坝下箱涵环向裂缝与纵向抗裂验算 |
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| 引用本文： | 蔡勇斌,刘四方,蔡勇平,蔡晓鸿.坝下箱涵环向裂缝与纵向抗裂验算[J].江西水利科技,2011,37(4):250-252,265. |
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| 作者姓名： | 蔡勇斌 刘四方 蔡勇平 蔡晓鸿 |
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| 作者单位： | 1. 江西省吉安市水利局,江西吉安,343000
2. 江西省吉安市水利水电规划设计院,江西吉安,343000 |
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| 摘 要： | 分析了坝下箱涵产生环向裂缝的机理成因,建立了变温与土压力、管身自重及管内水重联合作用下的坝下箱涵伸缩缝间距与纵向抗裂验算计算方法,给出了相应计算公式,具有工程应用价值.
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| 关 键 词： | 坝下箱涵 环向裂缝 抗裂 |
Calculation of circumferential crack and longitudinal anti-crack of box culvert below dam |
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| CAI Yong-bin
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LIU Si-fang
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CAI Yong-ping
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CAI Xiao-hong.Calculation of circumferential crack and longitudinal anti-crack of box culvert below dam[J].Jiangxi Hydraulic Science & Technology,2011,37(4):250-252,265. |
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| Authors: | CAI Yong-bin LIU Si-fang CAI Yong-ping CAI Xiao-hong |
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| Institution: | 1.Jian Municipal Water Resources Bureau of Jiangxi Province,Jian 343000,China; 2.Jian Municipal Hydraulic and Hydro-electric Planning and Designing Institute of Jiangxi Province,Jian 343000,China) |
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| Abstract: | The reason of circumferential crack on box culvert below dam is analyzed.The calculation formula of expansion joint spacin and longitudinal anti-crack under the action of poikilothermia and earth pressure and pipe dead load and water pressure in pipe on box culvert below dam is proposed.It has value in engineering applications. |
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| Keywords: | Box culvert below dam Circumferential crack Anti-crack |
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