| 应用超声波声学参数综合判别法检测基桩质量 |
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| 引用本文： | 方海东,戴鹏飞,吉同元.应用超声波声学参数综合判别法检测基桩质量[J].港工技术,2009,46(Z1). |
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| 作者姓名： | 方海东 戴鹏飞 吉同元 |
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| 作者单位： | 江苏省交通规划设计院有限公司,江苏,南京,210006 |
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| 摘 要： | 从声学参数反映特征的角度,对超声波透射法检测基桩混凝土质量的原理进行探讨,着重分析各项声学参数在判别基桩混凝土质量方面的优点和不足.通过对某工程实例的分析,认为应用超声波声学参数综合判别法检测基桩质量较为全面和准确,符合现代工程的发展要求.
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| 关 键 词： | 钻孔灌注桩 超声波透射法 缺陷 声学参数 波速 波幅 主频 波形 |
Detection of Quality of Foundations Piles by Integral Assessment with Ultrasonic Acoustic Parameters |
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| Fang Haidong,Dai Pengfei,Ji Tongyuan.Detection of Quality of Foundations Piles by Integral Assessment with Ultrasonic Acoustic Parameters[J].Port Engineering Technology,2009,46(Z1). |
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| Authors: | Fang Haidong Dai Pengfei Ji Tongyuan |
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| Institution: | Jiangsu Provincial Communications Planning and Design Institute Co.;Ltd.;Nanjing Jiangsu 210006;China |
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| Abstract: | The principle for detection of the quality of concrete in foundations piles with the ultrasonic transmission method is discussed from the viewpoint of the characteristics reflected by ultrasonic acoustic parameters and the advantages and deficiencies of various acoustic parameters in assessing the quality of concrete in foundation piles are emphatically analyzed.Based on the case study of a project,it is believed that the integral assessment method incorporating ultrasonic acoustic parameters can quite comp... |
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| Keywords: | bored cast-in-situ pile ultrasonic transmission method defect acoustic parameter wave velocity wave amplitude dominant frequency wave pattern |
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