Strut-and-tie modeling - Computational Analysis and Design of Bridge Structures - page 424

Strut-and-tie element IDs and axes

E 3 E 4

E 2

E 32 E 30

Truss member stress limits and effective widths

6.00′′ 6.00′′ 6.00′′

2231. psi
6.00′′ 12.00′′

NA
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0.45
0.50
0.55
0.60
0.65
0.70
0.75
0.80
0.85
0.90
0.95
1.00

Stress ratios

(0.562) (0.504) (0.562)

(NA) (0.179)

(d)

Figure 13.14 (Continued) (d) Case study 3—Truss model and results using CAST program.
(Continued)