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What Loading and Unloading Methods Are Used in Vertical Uplift Static Load Tests on Single Piles of Building Pile Foundations?

2016-02-25 796 0人评论

　　1、加载应分级进行，采用逐级等量加载；分级荷载宜为最大试验荷载或预估极限承载力的1/10，其中第一级荷载可取分级荷载的2倍。
　　2、卸载应分级进行，每级卸载量取分级荷载的2倍，逐级等量卸载。
　　3、加、卸载时应使荷载传递均匀、连续、无冲击，每级荷载在维持过程中的变化幅度不得超过该级增减量的±10%。

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What Loading and Unloading Methods Are Used in Vertical Uplift Static Load Tests on Single Piles of Building Pile Foundations?

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What Loading and Unloading Methods Are Used in Vertical Uplift Static Load Tests on Single Piles of Building Pile Foundations?

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