Based on the Winkler theory, the finite element model for directly buried hot water heat-supplypipeline is founded by using ANSYS software, and the effect of soil on pipeline is simulated.
基于文克勒理论采用ANSYS软件建立了直埋热水供热管道的有限元模型，模拟了土壤对管道的作用。
2
The system composition and calculation principle of the calculation software for design of directly buried heat-supplypipeline are introduced, and the calculation examples are enumerated.
介绍了直埋供热管道设计计算软件的系统构成及计算原理，列举了计算实例。
3
The failure of directly buried heat-supplypipeline is discussed, and the design essentials are put forward in accordance with local buckling and ovalization deformation.