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Calculation on longitudinal inner forces and space design of expansion joints on embedded pipes below dam

CAI Yong-bin, ZHOU Xue-fang, CAI Yong-ping and et al.   

  • Online:2012-02-28 Published:2012-02-28

坝下涵管纵向内力计算与伸缩缝间距设计

蔡勇斌1,周雪芳2,蔡勇平3,蔡晓鸿1   

  1. 1.江西省吉安市水利局,江西吉安 343000;2.江西省泰和县水利水电勘测设计室,江西泰和 343700;3.江西省吉安市水利水电规划设计院,江西吉安 343000

Abstract: With effect of temperature change, inner water pressure, soil pressure, deadweight and water weight, the calculation method on longitudinal inner force and flexural moment of embedded pipe below dam was established and the formulas of space design of expansion joints and crack resistance check were derived.

摘要: 建立了变温与均匀内水压力、土压力、管身自重及管内水重联合作用下的坝下涵管纵向拉力、纵向弯矩计算方法,导出了坝下涵管伸缩缝间距与轴向抗裂验算计算公式。