Therefore, it is further proved that local failure theory is correct and weak structural plane will control the stability of slope.

从而进一步证明了局部破坏理论的正确性和边坡软弱结构面是控制边坡稳定的关键因素。

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With structural design of the hoist jib, analysis and calculation are made in such aspects as material, type of the box type section, and the local stability of the web plate.

结合起重机吊臂的结构设计，从材料、箱形截面的形式及其腹板的局部稳定性等方面对伸缩臂进行了分析、计算。

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