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本文阐述闭形解法的基本原理,并结合变截面钢筋混凝土槽形薄壁杆件的翘曲扭转内力分析,举例说明了全部计算各个步骤中的若干细节问题。并且对闭形解法的优缺点及计算理论的改进措施等问题提出了一些看法。
In this paper, the basic principle of closed-form solution is expounded. Combined with the analysis of warpage torsional internal force of thin-walled bar with variable section reinforced concrete, an example is given to illustrate some of the details in the whole calculation of each step. And put forward some views on the advantages and disadvantages of the closed solution and the improvement measures of the calculation theory.