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采用网格法对灰坝边坡稳定计算进行了优化研究，在此基础上，进一步用穷举法对灰坝横剖面优化设计进行了探讨，并编制了计算程序。实例计算表明，用网格法和穷举法相结合的混合优化法进行灰坝横剖面设计，计算速度快，收敛稳定，可大大节省ＣＰＵ时间，对灰坝设计具有重要的参考价值。
On the basis of this, the optimization design of ash dam cross section is further studied by exhaustive method and the calculation program is compiled. The case study shows that the design of ash dam cross-section with the mixed optimization method of grid method and exhaustive method has the advantages of fast calculation speed and stable convergence, which can save CPU time greatly and has an important reference value for ash dam design.