对几种常用膨胀节设计标准在适用范围、应力评定、失稳校核和疲劳寿命计算等方面进行了对比分析。
Several standards for the design of expansion joint were compared in terms of application scope, stress evaluation, buckling check and fatigue life calculation.
通过对巷道两帮、顶、底部位移和围岩应力的对比分析,验证了该等效方法的可行性和适用性。
After the comparative analysis about the displacements in two sides, top and bottom of roadway and surrounding rock stress, the feasibility and applicability of the equivalent method is verified.
本文分别建立了O形环与U形环的力学模型,推导出了载荷、应力分布的计算公式,并引用实例进行了对比分析。
The author has established the mechanical model of O-chain iron and U-chain iron respectively, obtained the computing formula of load and stress, and contrasted with example.
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