Strut-and-tie modeling - Computational Analysis and Design of Bridge Structures - page 427

70′ 110′ 80′

20′ 20′

Abut 1 Abut 4

(a) Bent 2 Bent 3

43′ 6′′

Structure symmetrical
about deck

21′ 9′′

C L

1′ 9′′

Concrete
barrier

7′′

8 1/8′′

1′

8′′ typical

10′′

6′

11.2′′

6 3/8′′

3′ 3′′ 7′ 9′

2′ 6′′

11′

22′

C L Column

C L Column

(b)

10.75′ 22′ 10.75′

20′ 20′

(c)

Figure 13.15 (a) Rigid-frame geometry. (b) Cross section of the structure. (c) Bent
geometry. (Continued)

13.8 alternate coMPatiBility StM
and 2d illuStrated exaMPle 6 —
cracked deeP Bent caP

Alternate to the previously demonstrated STM examples, Scott et al. (2012)
proposed another type of model called compatibility STM (C-STM), where
shear resistance in structural concrete elements is resisted by a combination