Research Article

Study on the Technical Status of Old Concrete Truss-Arch Bridge Based on Vehicle-Bridge Interaction

Figure 13

First six modes of the truss-arch bridge. (a) First mode. (b) Second mode. (c) Third mode. (d) Forth mode. (e) Fifth mode. (f) Sixth mode.
(a)
(b)
(c)
(d)
(e)
(f)