A numerical calculation for T-shaped section stair is given by means of helical plate element,and the influence of flange is analyzed.
螺旋楼梯是空间螺旋板结构 ,其截面常设计成T型截面 ,计算时按空间梁方法进行分析 ,通常不考虑翼缘对计算结果的影响 本文利用螺旋板单元分析了两端固定约束的螺旋板的T型截面翼缘影响 与空间梁的结果比较表明 ,目前所流行的不计翼缘刚度影响的空间梁方法控制螺旋板截面设计是不甚合理的 ,因为其设计控制截面最小的计算误差也大于 10 % ,翼缘的影响是不可忽视
So we designed a spiral plate type adsorber with more advantages and a prototype heat regenerative adsorption refrigerator was built and tested,to determine the charac.
我们设计了一种螺旋板式吸附器,并将其成功地应用在采用活性炭-甲醇为工质对的连续回热型吸附式制冷系统中。
Based on a classical linear elastic stability theory the authors have set up a mechanics model for stability analysis of a spacing column supported spiral plate A theoretical formula for calculating the theoretical pressure of a critical pressure has been derived with some engineering calculation examples being presented Some conclusions helpful for performing engineering design are also propose
基于经典线弹性稳定理论建立了有定距柱支承螺旋板稳定性分析的力学模型,推导了计算临界压力的理论公式并给出了工程算例,提出一些对工程设计有益的结论。
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