由于内部混凝土的存在，大大提高了薄壁钢管的临界屈曲应力和径厚比。
It is found that the critical local buckling stress and diameter to thickness ratio of circular steel tube are considerably increased by the support of filled concrete.
分析了钻杆接头对水平井段钻柱屈曲临界力和弯曲应力的影响，提出了计算钻柱正弦屈曲临界力的新方法。
The effects of the connectors on the critical buckling load and the bending stress of pipes in horizontal section are analyzed.
在此基础上，应用能量原理及突变理论推导矿柱失稳的临界载荷及临界应力，提出矿柱发生失稳的屈曲模型。
The critical load and critical stress were deduced by means of energy principle and catastrophe theory based on these conditions, and the buckling model of pillar was presented.
给出了周向初应力数值特征对端部受推力竖直向上加速圆柱壳弹性屈曲形式和临界力的影响。
The inflectional form and the critical value's effect imposed by circumferential initial stress character on cylindrical thin shell beard the thrust at axis, accelerating upwards erect.
提出多层不等厚可看成是圆柱壳壳壁上的几何缺陷，在一定程度上会减弱经典圆柱壳的屈曲临界应力水平。
The character of unequal-thickness was considered as geometrical defect, which decreases the critical stress of classical shell buckling to some extent.
对于轴向阶梯载荷下圆柱壳的非轴对称动力屈曲，将临界应力和屈曲惯性指数作为双特征参数求解。
Critical stress and inertial exponent are treated as two characteristic parameters for the asymmetric dynamic buckling of cylindrical shells under axial step loading.
混凝土路面板的热屈曲因板的热压应力引起，而混凝土路面板的临界变温可定义为路面板屈曲时的温度与铺设成型时的温度之差。
Usually, the critical temperature variation of concrete pavement is defied as the difference between thermal buckling temperature and the pavement formation temperature.
利用解析的方法，给出了腹板产生屈曲的临界应力和应变。
The critical stress and strain for web buckling were figured out by analytic method.
在此基础上，把薄壁钢管纵向单元作为支承在弹性地基上的压杆，推导出钢管出现局部屈曲的临界应力和临界径厚比。
An axially compressive thin-walled steel element on elastic foundation is adopted to deduce the critical stress and critical diameter to thickness ratio for circular steel tube in local buckling.
采用三次样条函数能量法，对冷轧轧后带材在纵向残余应力作用下的大挠度屈曲变形和临界失稳问题进行了研究。
The large deflection buckling deformation of cold rolled strip acted on by residual stress is studied by using 3-Power spline function energy method.
采用三次样条函数能量法，对冷轧轧后带材在纵向残余应力作用下的大挠度屈曲变形和临界失稳问题进行了研究。
The large deflection buckling deformation of cold rolled strip acted on by residual stress is studied by using 3-Power spline function energy method.
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