用振动法检测特殊桩基的质量

QUALITY CHECK FOR SPECIAL PILE BY VIBRATION METHOD

对于一些特殊桩基，可用振动法对其质量进行检测．如码头的桩基，可根据相干函数的数值来确定桩基质量的好坏．实测表明，用码头面与被测桩基的相干函数或用质量完好桩基与被测桩基的相干函数都能检测这类特殊桩基的质量．

The quality of special pile can be checked by vibration method. For example, the quality of dock's piles can be determined by the value of coherence function. The test in situ shows that we can determine the quality of these special piles by coherence function between dock and tested piles, or that between piles or high quality and tested piles.