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笔者发现,行业标准《架空送电线路基础设计技术规定》(DL/T 5219-2005)中有关输电线路窄基铁塔倾覆稳定计算的某些计算简图和公式需要进一步完善。基于输电线路铁塔设计工作的实践,对窄基铁塔倾覆稳定的计算方法进行了探讨,提出了改进意见和解决对策,对窄基铁塔浅基础和深基础的倾覆稳定计算公式和计算简图进行了修改,并结合具体工程算例进行了验证,为架空输电线路基础设计及《架空输电线路基础设计技术规程》(DL/T 5219-2014)的编制提供了参考。
The author finds that some calculation diagrams and formulas for the overturning stability calculation of narrow-line towers of transmission lines in the industry standard “Technical Specifications for Design of Overhead Transmission Line Fundamentals” (DL / T 5219-2005) need to be further improved. Based on the practice of design of transmission line tower, the calculation method of the stability of narrow base tower overturning is discussed, suggestions for improvement and countermeasures are put forward, and the calculation formulas of overturning stability and calculation of shallow base and deep foundation of narrow base tower are carried out Modified and combined with specific engineering examples were verified for the design of overhead transmission lines and the preparation of “Technical Specification for Design of Overhead Transmission Line Fundamentals” (DL / T 5219-2014).