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本文将研究在保证主梁自重最小同时具有足够强度与动力刚度的条件下,如何确定主梁截面尺寸的问题。讨论和所得出的结论,是以全苏起重运输机械制造科学研究所制定的极限状态计算方法为基础的。
In this paper, we will study how to determine the cross-sectional dimension of the main girder under the condition of ensuring the minimum weight of the main girder with sufficient strength and dynamic stiffness. The discussions and conclusions drawn are based on the calculation of the limit state method developed by the Institute of Manufacturing Science and Technology of All Sutruck.