Theoretic Framework and Finite Element Implementation on Progressive Collapse Simulation of Masonry Arch Bridge

Figure 19

Collapse simulations for Dixituojiang Bridge in BCSS.

(a) Initial failure is occurred on  s

(b) The first main arch collapses on  s

(c) The second main arch collapses on  s

(d) The third main arch collapses on  s

(e) The forth main arch collapses on  s

(f) The whole bridge collapses on  s