该文理论和方法适应性强，可以一次性地求得机构的所有极限位置。

The problem of determining extreme position of mechanisms is thoroughly solved. The theory and method has good adaptability.

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本文在分析总结经验法和极限平衡法等理论计算方法的基础上，从快速载荷试验曲线预测的角度对强夯碎石墩的极限承载力进行了研究。

Based on the analysis and conclusion of the theoretical methods, research has been made on the ultimate bearing capacity of gravel stake by predicting the entire curve of fast load test.

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将有限元应力分析方法与优化设计方法相结合，提出了基于受压容器开口补强的极限分析理论和优化设计思想。

In this paper the finite element method is combined with optimization. The strengthening optimization is put forward on the basis of the limit analyse method of pressure vessel strengthening design.

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