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本文简要地介绍了中国科学院武汉岩土力学研究所岩石动力学研究室自80年代以来,在发展桩基动力检测技术所进行的工作。对桩基动力检测的应力波理论做了系统的研究。其中包括理论分析、数值模拟、模型试验、现场试验和工程应用。无论在理论分析,还是在测量技术和工程应用等方面均获得了一系列重要成果。特别是桩基承载力计算软件 WANG-PCP,是个半解析半数值的计算方法,突破了以前的分析模式,大大地简化了计算过程,易于被广大工程技术人员所掌握,同时提高了计算的精度。桩基完整性快速定量分析软件 WANG-PIP,使桩基完整性快速定量分析成为可能,属国际首创,并已获得美国版权。研制成功了 RAP 型动力验桩仪系列,在加速度和动应变测量方面均已达到定量分析的要求。并已推广应用到十几个省市地区,深受广大用户的好评。同时进行了大量的工程应用和试验,做了上万根桩的动力检测工作,积累了丰富的工程经验,提高了动力验桩测量和分析的水平。
This paper briefly introduces the work done by the Rock Dynamics Research Institute of the Institute of Rock and Soil Mechanics, Chinese Academy of Sciences since the 1980s in the development of pile foundation dynamic detection technology. The stress wave theory of pile foundation dynamic detection has been systematically studied. These include theoretical analysis, numerical simulations, model tests, field tests, and engineering applications. Whether in the theoretical analysis, or in the measurement technology and engineering applications have obtained a series of important results. Especially the calculation software WANG-PCP of pile foundation bearing capacity is a semi-analytical and semi-numerical calculation method. It breaks through the previous analysis model, greatly simplifies the calculation process, and is easy to be mastered by the majority of engineering and technical personnel, while improving the accuracy of calculation. . The rapid and quantitative analysis software for pile foundation integrity WANG-PIP makes it possible to perform rapid quantitative analysis of pile foundation integrity. It is an international initiative and has obtained US copyright. The RAP series of dynamic pile tester has been successfully developed, and both the acceleration and dynamic strain measurement have reached the requirements of quantitative analysis. And has been applied to more than a dozen provinces and cities, praised by the majority of users. At the same time, a large number of engineering applications and tests were carried out, and power testing of tens of thousands of piles was done. Accumulative engineering experience was accumulated, and the level of dynamic inspection and measurement of piles was improved.