摘要
给出了对流换热边界条件下的地下球型洞室温度分布规律 ,采用弹性理论多层厚壁球壳接触问题模型 ,建立了温度荷载与均匀内水压力联合作用下的地下球型洞室应力计算方法 ,导出了砼衬砌弹性温度自生应力σrh、σθh 和弹性约束应力σrh、σθh 的精确解计算公式 。
The law of temperature distribution of underground spherical caverns in the converctive heat transfer edge condition was given in this paper.By the model of multi thick globe cased with elastic theory,it gave the stress computation method of underground spherical cavern in the combined action of thermal load and uniform internal water pressure.And the exact solution formula of elastic temperature autogenous stress ( σ r h,σ h θ) and elastic restraining stress ( σ rh ,σ θh ) in concrete lining was built.At last,it introduced the detailed calculated process by an example.
出处
《江西水利科技》
2001年第3期167-173,共7页
Jiangxi Hydraulic Science & Technology