无胀缝坡道路面板热胀屈曲的摄动解

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Perturbation Solution for Thermal Expansion Buckling of no Expansion Joint Slope Pavement Plate

摘要: 文中分析了无胀缝坡道路面板在温度场作用下热胀屈曲的力学机制.采用正则摄动法导出了坡道路面板临界铺设温差的渐近表达式,分析了坡道与水平直道路面板临界铺设温差之间的关系,得出了坡道与水平直道路面板热胀屈曲的统一解答,并据此给出了无胀缝坡道路面的合理铺设温差.
- 坡道路面板 /
- 热胀屈曲 /
- 摄动解
Abstract: In this paper,the mechanical mechanism of thermal expansion buckling of no expansion joint slope pavement undergoing the action of a temperature field is analysed.By using regular perturbation method,the formula of perturbation solution for this problem is derived,the relationship between critical laying temperature difference of slope pavement and of level straight pavement is studied,and the unified solution and its.numerical results are also obtained.In terms of this research,rational laying temperature of no expansion joint slope pavement is given.
- slope road pavement plate /
- thermal expansion buckling /
- perturbation solution

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