Due to rapid urbanization, more tall buildings are constructed closer to bu
sy roadways than they used to be. Reports of vibrations felt by occupants o
f building structures caused by moving vehicles have been filed more freque
ntly in metropolitan cities around the world. In this paper, traffic-induce
d ground vibrations measured at four soil sites are presented first. Their
characteristics in terms of the site conditions and distance to road center
are discussed. Responses of five hypothetical reinforced concrete structur
es subjected to field measured ground motions caused by normal traffic cond
itions are analyzed. Results are compared with various specifications of al
lowable vibration levels. Effects of traffic-induced ground motions on the
safety of building structures adjacent to busy roadways, on human and on no
rmal operation of sensitive equipment housed in those buildings are discuss
ed. (C) 2000 Elsevier Science Ltd. All rights reserved.