RESEARCH ARTICLE


Numerical Assessment of Factors Affecting Waveform Based on Low Strain Testing of Piles



Zegen Wang*, Yifeng Wu, Zuocheng Xiao
School of Civil Engineering and Architecture,Southwest Petroleum University, Chengdu 610500, China.


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Creative Commons License
© 2014 Wang et al;

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the School of Civil Engineering and Architecture,Southwest Petroleum University, Chengdu 610500, China; Tel: 86-2883037628; Fax: 86-2883037601; E-mail: zegen01@126.com


Abstract

In this paper dynamic testing of piles using the low strain method is performed by means of numerical analyses based on solid finite element model. To this end, velocity-time curves are presented investigating the influence of various parameters such as mesh density, impulse width, receiving point, and soil modulus on the waveform characteristics. Then, find regularity of waveform affected by different parameters to provide reference of the real project detection.

Keywords: Dynamic testing of piles, finite element, low strain method, velocity versus time curve, waveform.