This paper illustrates principle of the peculiarity of signal test based on wavelet analysis, and extracts the peculiarity of signal test in pile foundation.
本文阐述了利用小波分析来检测信号的奇异特征的原理，并对桩基础检测信号的奇异性进行了提取。
Precast pile driving test is performed to investigate its possibility in gravel pile composite foundation with settling tube.
为了研究在沉管碎石桩复合地基场地中沉入预制桩的可能性，进行了预制桩沉桩试验。
Aimed at the pile foundation in frozen soil of a high voltage transmission line project in Xinjiang Region, a laboratory tensile model test is carried out under artificial frozen condition.
以新疆地区某高压输电线冻土桩基础受力分析为背景，在人工冻结条件下，进行了单桩的室内抗拔模型试验。
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