MODAL TEST METHODS FOR BRIIDGES: A REVIEW

Jhk papr r e v i e w s experimentaal m e t h o d s f o r conduct ing modal tests on bridges. Gefl*L4 guideiines for conduct ing tests in the f ield are presented and the relative advantages of different measwemer~t techniques are discussed. I’arious methods for exc/ting bridges such as displacementrelease, impulse hammers, and servo-hydraulic shakers are examined criticaity. Recom.mendztions are made for the mast appropriate methods for different s;?uations.