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Table 5-5. Lateral prestress force at stirrup yield (0.2% strain) for stirrups on inside of curve.
Total Force
(in % of Pc and in K/ft)
Model # Web A Web A Web B Web B Web C Web C Web D Web D
1M 119.55% 9.93 107.36% 11.38 111.04% 11.77 122.41% 11.18
2M 141.66% 11.77 128.85% 13.66 128.67% 13.64 129.38% 11.82
3M 121.11% 10.06 118.77% 12.59 144.72% 15.34 134.24% 12.26
4M - 6.24 - 8.59 - 8.57 - 7.42
5M 134.96% 11.21 133.11% 14.11 150.47% 15.95 126.25% 11.53
6M 105.54% 8.77 118.54% 12.57 105.75% 11.21 117.92% 10.77
7M 140.98% 11.71 154.06% 16.33 153.87% 16.31 147.93% 13.51
8M 124.72% 10.36 148.49% 15.74 145.38% 15.41 129.86% 11.86
9M - 7.28 - 9.59 - 9.58 - 7.75
10M 157.23% 13.06 162.45% 17.22 161.60% 17.13 142.01% 12.97
11M 131.45% 10.92 141.51% 15.00 148.15% 15.70 126.77% 11.58
12M 160.55% 13.34 165.81% 17.58 165.58% 17.55 135.53% 12.38
13M 180.74% 15.01 184.97% 19.61 184.00% 19.50 166.09% 15.17
14M - 8.65 - 10.47 - 11.81 - 8.48
2MVert 151.05% 12.55 148.79% 15.77 145.06% 15.38 151.69% 13.85
11MVert 140.59% 11.68 152.49% 16.16 165.41% 17.53 167.19% 15.27
- Percentages not shown for cases other than ducts placed at midheight
This was used as "100%" in the results tables and plots. The Single-Cell Models Analysis Results
results of the single-cell analyses are shown in Tables 5-14, 5-15,
5-16, and 5-17, and the figures in the remainder of this chapter. The results of the 10 different single-cell box-girder local
The figures are included in Appendix Fa and are numbered (Fig. models allow for qualitative and quantitative assessment and
B-1, B-2, etc.). The maximum principal strain contours illustrate comparison of the cases analyzed.
the general level of damage to the concrete surrounding the · Lateral Force vs. Deflection of Web Mid-height
tendon ducts (maximum tensile strain regardless of orientation). · Lateral Force vs. Deflection of Web Quarter-height
Table 5-6. Lateral prestress force at web delamination of 0.5% (0.06" for 12" web).
Model # Web A Web B Web C Web D
Total Total Total Total
% Pc Force Deflection % Pc Force Deflection % Pc Force Deflection % Pc Force Deflection
(K/ft) (in) (K/ft) (in) (K/ft) (in) (K/ft) (in)
1M 165.03% 13.708 3.440 121.05% 12.831 0.193 118.90% 12.604 0.156 155.08% 14.163 0.425
2M 130.38% 10.830 0.249 143.12% 15.170 0.301 142.06% 15.059 0.305 159.45% 14.563 0.446
3M 136.29% 11.321 0.568 120.84% 12.809 0.278 123.99% 13.143 0.148 124.87% 11.405 0.190
4M - 9.458 1.573 - 10.620 0.914 - 10.677 0.787 - 9.337 0.853
5M 200% * 16.613 0.830 184.92% 19.601 0.513 172.64% 18.300 0.384 200% * 18.266 0.688
6M 162.10% 13.464 3.103 131.33% 13.921 0.332 114.65% 12.153 0.257 142.79% 13.041 0.365
7M 200% * 16.613 0.753 173.24% 18.364 0.407 161.42% 17.111 0.346 179.26% 16.372 0.429
8M 200% * 16.613 14.363 178.17% 18.886 1.810 142.28% 15.082 0.274 167.97% 15.341 1.032
9M - 10.058 1.504 - 10.939 0.602 - 11.042 0.528 - 10.767 1.181
10M 200% * 16.613 10.122 200% * 21.200 7.139 200% * 21.200 7.533 200% * 18.266 3.868
11M 145.14% 12.056 0.519 137.96% 14.624 0.259 138.95% 14.729 0.183 140.55% 12.836 0.235
12M 200% * 16.613 7.883 200% * 21.200 7.160 200% * 21.200 5.334 200% * 18.266 3.725
13M 200% * 16.613 2.717 200% * 21.200 2.575 200% * 21.200 2.697 200% * 18.266 2.230
14M - 16.830 9.277 - 20.186 6.473 - 27.218 15.109 - 16.288 6.762
2MVert 166.40% 13.822 0.289 158.62% 16.814 0.250 153.77% 16.299 0.248 171.58% 15.670 0.315
11MVert 200% * 16.613 10.559 200% * 21.200 8.047 200% * 21.200 6.917 200% * 18.266 7.757
* Never reached delamination limit, so the delamination at 200% of Pc is shown
