Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Vehicle entry and exit detection times based on acceleration records at the vertical stiffener both longitudinal edges of the main girder: (a) rotation angle response obtained using the two contact displacement gauges; (b) acceleration records at G2; (c) acceleration records at G3; (d) acceleration records at G4; and (e) acceleration records at G5.
