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本文介绍“八五”国家科技攻关子题《拱坝非线性全过程分析研究》主要成果：非线性全调整拱梁分载法的研制和应用，以及混合拱圈线型的优化模型与算法。在此基础上编制了非线性全过程全调整分载法程序ＡＤＣＡＳ和拱坝优化程序ＡＤＯＰＴ，已在十多座拱坝上应用，其中包括拉西瓦和小湾这样的高拱坝，计算结果合理可信。有的工程已近完建。成果既可应用于工程设计，亦可供已建拱坝的安全评估用。
This article introduces the “Eighth Five-Year” national scientific and technological issues subproject “arch dam non-linear process analysis and research,” the main results: nonlinear fully adjustable arch sub-load method of research and application, as well as hybrid arch ring optimization model and algorithm. On this basis, the ADCAS program and ADOPT program for arch dam optimization have been developed, which are applied to more than 10 arch dams, including the high arch dam such as Laxiwa and Xiaowan, and the calculation results Reasonable and credible. Some projects have been completed recently. The results can be used in engineering design, but also for the safety assessment of arch dams.