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针对工程中经常遇到的抗滑桩嵌固地层比较复杂的情况,应用弹性地基梁初参数法,推导了上土下岩“m-K”法、层状地基“K-K”法的弹性抗滑桩内力、位移数学解析解,同时为了推广电子表格法在抗滑桩治理滑坡领域中的应用,运用Excel内嵌的VBA语言编写相关的计算表格,使计算更加透明化。工程实例表明:所提出的电子表格法可完成嵌入复杂地层抗滑桩的全部计算并绘出内力图形,可有效提高抗滑桩变位、内力分析效率和计算精度。
Aiming at the complicated situation that the anti-slide piles embedded in the engineering often encountered in the project, the elasticity of the upper subsoil rock “mK” method and the layered foundation “KK” method is deduced by using the initial parameter method of the elastic foundation beam At the same time, in order to popularize the application of spreadsheet method in landslide treatment with anti-slide piles, related calculation forms are compiled by VBA language embedded in Excel to make the calculation more transparent. The engineering example shows that the proposed spreadsheet method can complete all the calculations of embedding anti-slide piles in complex formations and draw the internal force graphics, which can effectively improve the anti-slide pile displacement, internal force analysis efficiency and calculation accuracy.