[12-11 16:59:29] 来源:http://www.tmgc8.com 试验检测 阅读:3127次
Talking about the lowresponse was measured pile integrity
BAI Yin
AbstractCited several shortcomings with a low pile common strain detectedwave of examples, improving the accuracy of defect judgement.
Key wordslow strain;pile foundationtest; defects
0
1
2
2.1
2.2
3
3.1
3.2
3.3
1
2
3.4
3.5
钻孔灌注桩在地下水位附近的松软土层中,经常发生扩颈现象。扩颈后桩身截面积增加,波形曲线上会出现与入射波相位相反的反射波。需要注意的是,如果桩周土较硬,波形曲线也会出现类似于扩颈的反射波。如图:
4
作者简介:白银(www.tmgc8.com1984-),男,本科,助理工程师。