徐州客运站综合楼主楼嵌岩灌注桩试桩结果分析

Testing results of the rock inlaid grouting piles of the xuzhou pasenger station building

当基岩抗压强度较高时，嵌岩灌注桩的承载力往往由桩身材料强度控制。本文通过对徐州客运站综合楼主楼嵌岩灌注桩试桩结果的分析，提出了正确运用《建筑桩基技术规范》（ＪＧＪ９４－９４）和桩身材料力学性质指标确定由桩身材料强度所决定的单桩竖向抗压极限承载力的方法。

In the case when the bedrock has a rather high compressive strength, the bearing capacity of rock inlaid grouting piles depends usually on the material strength of the pile mass. This paper, through the analysis of the testing results of the rock inlaid grouting piles of the Xuzhou Passenger Station Building, puts forward the method for determination of the ultimate pressure resistant bearing capacity of single pile in vertical direction depending on the material strength of the pile mass by correctly using the Technical Norm for the Building Pile Foundation (JGJ 94-94) and the indices of materials mechanical property of the pile mass.