Integrity Testing of Cast In Situ Concrete Piles Based on an Impulse Response Function Method Using Sine-Sweep Excitation by a Shaker
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Nondestructive Evaluation"
DOI: 10.1007/s10921-019-0595-4
Abstract: In this study, an Impulse Response Function analysis of pile response to sine-sweep excitation by a low cost, portable shaker was used to identify defects in piles. In straightforward impact-echo methods, echoes from the pile… read more here.
Keywords: response; impulse response; response function; sweep excitation ... See more keywords
Sweep excitation with order tracking: A new tactic for beam crack analysis
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2018.01.021
Abstract: Abstract Crack detection in beams and beam-like structures is an important issue in industry and has attracted numerous investigations. A local crack leads to global system dynamics changes and produce non-linear vibration responses. Many researchers… read more here.
Keywords: beam crack; excitation; order tracking; sweep excitation ... See more keywords