male-female shear key (Fig. 2) can be established
at the vertical joint between the precast concrete
barrier walls to enhance the longitudinal continuity
of a series of precast concrete barrier segments. As
a result, the failure mode would shift toward biaxial
bending about the vertical and horizontal axes
of the barrier wall. However, the continuous barrier
with shear keys between precast concrete segments
needs to be tested under static loading to develop
the wall yield line pattern given the flexibility of
the proposed joint and then crash tested to comply
with CHBDC provisions.