Assessment of Design and Retrofitting Solutions on the Progressive Collapse of Hongqi Bridge

Table 2

Impacting force on the first pier of the bridge in the case of using restrain cables in the connection of deck to abutment.

Cable area (cm^2)	First span collapse	First pier impacting force (MN)
0	Yes	23.50
4.16	Yes	22.18
10.4	Yes	21.04
19.20	Yes	17.05
25.99	No	0