So this paper aim at these questions, though choose suitable mechanics model of cable and analyze the model to educe correlative formula of calculate and validate.

本文针对这些问题，通过选择合适的缆索力学模型并进行力学分析，得出相关的计算、校核公式。

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This article establish the mechanics model of pendent axis of tube style centrifugal machine, analysis and calculate the fatigue and fracture safety property of pendent axis.

在管式离心机受力分析的基础上，建立了管式离心机吊轴的力学计算模型，并对吊轴的弯扭组合下的疲劳与断裂安全性作了分析计算。

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Basing on the rock mechanics property of shallow tunnel under unsymmetrical pressure, a load-structure model is used to calculate internal force and displacement of tunnel lining.

根据浅埋偏压隧道围岩的力学特性，采用荷载结构模型计算隧道支护内力及变形。

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