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在分析埋藏式压力钢管曲屈失稳破坏及其原因的基础上，提出了防止压力钢管曲屈失稳破坏的预防措施．并对国内外现行埋藏式压力钢管抗外压稳定的计算理论和方法进行了分析比较，编制了相应的计算机程序，大大简化了埋藏式压力钢管的抗外压稳定设计．
Based on the analysis of the buckling buckling failure and its reason of buried pressure pipe, the preventive measures to prevent the buckling buckling failure of the pressure pipe are proposed. The calculation theory and method of the external pressure stability of the buried penstock at home and abroad are analyzed and compared. The corresponding computer programs are compiled, which greatly simplifies the design of the external pressure stability of the buried penstock.