Approximate and refined analysis methods - Computational Analysis and Design of Bridge Structures - page 25

(a)

Critical section of
punching shear d /2

d /2

b

c

C + d

Wheel
footprint

b + d

(b)

Figure 2.9 Footprint of a truck wheel and its associated punching shear failure mode.
(a) Laboratory static test; (b) punching failure on the top of the deck. (Data
from Hwang, H. et al., Engineering Structures , 32, 2861-2872, 2010.)