The results indicate that it is conservative to design CFST arch Bridges by using allowable stress method in steel tube, and that it is reasonable to use limit state method.
数例表明，目前广泛应用钢管应力控制CFST的设计过于保守，文中方法似更合理。
Selection basis and method on allowable contact stress of rolling ball-socket nozzle were described. Based on empirical formula and test data, several factors affecting allowable stress were analyzed.
叙述了滚动球窝喷管在设计中许用接触应力的选择依据及方法，并根据以往的经验公式及其试验数据对影响许用接触应力的几个因素进行了分析。
Axis press allowable bending stress calculation method trunnion check.
轴按许用弯曲应力计算法校核轴径。
Axis press allowable bending stress calculation method trunnion check.
轴按许用弯曲应力计算法校核轴径。
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