The failure of directly buried heat-supply pipeline is discussed, and the design essentials are put forward in accordance with local buckling and ovalization deformation.
探讨了直埋供热管道的失效，针对局部失稳和椭圆化变形，提出了设计要点。
The system composition and calculation principle of the calculation software for design of directly buried heat-supply pipeline 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。
Based on the Winkler theory, the finite element model for directly buried hot water heat-supply pipeline 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。
Based on the Winkler theory, the finite element model for directly buried hot water heat-supply pipeline 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。
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