等效热传导方程在大体积混凝土水管冷却温度场计算中的应用

The application of equivalent heat conduction equation in cooling temperature field calculation of mass concrete water pipe

简要介绍水管冷却的等效热传导方程在大体积混凝土中的表达式,针对结构温度场的复杂边界条件,综合考虑工程中采取的各种施工措施,利用有限单元法计算某水库水闸工程在水管冷却作用下的温度变化,并与实测结果进行对比分析。

The equivalent heat conduction equation of water pipe cooling in mass concrete is briefly introduced. Based on the complicated border condition of structure temperature field, according to the construction measurement in project, the variation of temperature under the effect of water pipe cooling is calculated by finite element method in reservoir floodgate project, and it is compared with the results obtained by test.