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The representative bridge is a straight two-lane plate girder bridge with identical four-girder cross-sections, and features continuous three spans over span lengths of 80, 100, and 80-feet along the control centerline. In this example, I-girders are modeled using a combination of member and shell elements for refined modeling. The top flange girder is connected to the deck with rigid elements, and the bridge deck is modeled using shell elements. Modular ratios of “n” and “3n” are used for the deck slab in calculating girder stiffness and modeled as time-dependent material property.
Materials:
Steel
Concrete
Loading
Results
Library linki : https://openbrim.org/objid92cvjxra3pqo5ud5vynnj.libobj
Longitudinal Dead Load Bending Moments
St. | OpenBrIM | Larsa |
---|
0 | 0 | 1.78E-05 |
5 | 177.5002 | 179.053 |
10 | 320.5725 | 323.6781 |
15 | 429.2171 | 433.8755 |
20 | 504.2645 | 509.7223 |
25 | 545.0919 | 551.1606 |
30 | 551.4914 | 558.1712 |
35 | 524.7111 | 531.1079 |
40 | 464.335 | 469.8528 |
45 | 369.5311 | 374.1698 |
50 | 240.8709 | 244.16 |
55 | 78.63995 | 79.87385 |
60 | -118.019 | -118.84 |
65 | -349.362 | -352.366 |
70 | -616.525 | -622.221 |
75 | -920.678 | -929.066 |
80 | -1261.82 | -1272.9 |
85 | -930.778 | -939.256 |
90 | -636.431 | -642.306 |
95 | -378.777 | -382.05 |
100 | -156.795 | -157.891 |
105 | 30.59157 | 31.46015 |
110 | 183.8255 | 186.6582 |
115 | 303.4047 | 307.8024 |
120 | 389.8337 | 394.993 |
125 | 442.1098 | 448.0308 |
130 | 460.1562 | 466.8387 |
135 | 442.0491 | 447.9715 |
140 | 389.7936 | 394.9528 |
145 | 303.3852 | 307.7813 |
150 | 183.8195 | 186.6542 |
155 | 30.60465 | 31.47426 |
160 | -156.763 | -157.859 |
165 | -378.713 | -381.984 |
170 | -636.357 | -642.232 |
175 | -930.706 | -939.185 |
180 | -1261.76 | -1272.84 |
185 | -920.622 | -929.012 |
190 | -616.473 | -622.17 |
195 | -349.313 | -352.319 |
200 | -117.974 | -118.797 |
205 | 78.68072 | 79.91351 |
210 | 240.9078 | 244.196 |
215 | 369.5643 | 374.2022 |
220 | 464.3644 | 469.8815 |
225 | 524.7367 | 531.133 |
230 | 551.5132 | 558.1927 |
235 | 545.1101 | 551.1785 |
240 | 504.2792 | 509.7366 |
245 | 429.2281 | 433.8862 |
250 | 320.5799 | 323.6853 |
255 | 177.5038 | 179.0565 |
260 | 0 | 3.61E-06 |
Girder 4 - Non-Composite Dead Load
St | OpenBrIM | Larsa |
---|
0 | 0 | 1.68E-05 |
5 | 168.5159 | 167.0631 |
10 | 305.5036 | 302.5979 |
15 | 410.963 | 406.6044 |
20 | 482.5552 | 477.5237 |
25 | 522.0345 | 516.5251 |
30 | 529.9855 | 523.9982 |
35 | 504.0285 | 498.4557 |
40 | 444.9568 | 440.3936 |
45 | 354.3568 | 350.8031 |
50 | 230.902 | 228.8318 |
55 | 73.9292 | 74.05332 |
60 | -114.572 | -112.253 |
65 | -335.271 | -330.629 |
70 | -590.545 | -583.063 |
75 | -879.909 | -869.586 |
80 | -1203.36 | -1190.2 |
85 | -889.692 | -879.158 |
90 | -609.839 | -601.934 |
95 | -363.804 | -358.528 |
100 | -151.962 | -148.883 |
105 | 27.45932 | 28.55875 |
110 | 175.6043 | 174.7239 |
115 | 291.3477 | 288.8901 |
120 | 373.5508 | 370.3263 |
125 | 424.4775 | 420.4861 |
130 | 444.0573 | 439.299 |
135 | 424.427 | 420.434 |
140 | 373.5122 | 370.2874 |
145 | 291.3208 | 288.8643 |
150 | 175.6038 | 174.7205 |
155 | 27.4722 | 28.56951 |
160 | -151.936 | -148.858 |
165 | -363.742 | -358.47 |
170 | -609.768 | -601.866 |
175 | -889.623 | -879.091 |
180 | -1203.31 | -1190.14 |
185 | -879.855 | -869.534 |
190 | -590.495 | -583.014 |
195 | -335.225 | -330.584 |
200 | -114.529 | -112.211 |
205 | 73.96857 | 74.09208 |
210 | 230.9377 | 228.8671 |
215 | 354.3888 | 350.8349 |
220 | 444.9851 | 440.4218 |
225 | 504.0531 | 498.4805 |
230 | 530.0065 | 524.0194 |
235 | 522.0519 | 516.5428 |
240 | 482.5691 | 477.5379 |
245 | 410.9734 | 406.6151 |
250 | 305.5105 | 302.605 |
255 | 168.5194 | 167.0666 |
260 | 0 | 3.32E-06 |
Girder 3- Composite Dead Load
St | OpenBrIM | Larsa |
---|
0 | 0.27 | 0.63 |
5 | 43.28 | 42.87 |
10 | 81.69 | 81.82 |
15 | 114.64 | 115.92 |
20 | 134.75 | 136.86 |
25 | 146.84 | 149.17 |
30 | 152.90 | 155.73 |
35 | 145.97 | 148.66 |
40 | 128.23 | 130.16 |
45 | 104.53 | 106.11 |
50 | 70.55 | 71.27 |
55 | 24.43 | 23.78 |
60 | -27.52 | -29.03 |
65 | -86.57 | -90.60 |
70 | -156.06 | -162.29 |
75 | -230.51 | -237.20 |
80 | -309.21 | -315.13 |
85 | -232.36 | -238.96 |
90 | -159.98 | -166.17 |
95 | -92.48 | -96.48 |
100 | -34.77 | -36.14 |
105 | 15.01 | 14.37 |
110 | 59.02 | 59.59 |
115 | 93.41 | 94.54 |
120 | 114.80 | 115.94 |
125 | 130.32 | 131.94 |
130 | 139.41 | 140.78 |
135 | 130.31 | 131.93 |
140 | 114.77 | 115.90 |
145 | 93.37 | 94.48 |
150 | 59.00 | 59.55 |
155 | 14.97 | 14.29 |
160 | -34.83 | -36.24 |
165 | -92.54 | -96.56 |
170 | -160.05 | -166.28 |
175 | -232.46 | -239.12 |
180 | -309.08 | -315.02 |
185 | -230.40 | -237.04 |
190 | -155.97 | -162.16 |
195 | -86.50 | -90.51 |
200 | -27.47 | -28.94 |
205 | 24.47 | 23.84 |
210 | 70.58 | 71.32 |
215 | 104.55 | 106.15 |
220 | 128.25 | 130.19 |
225 | 145.98 | 148.68 |
230 | 152.90 | 155.74 |
235 | 146.85 | 149.18 |
240 | 134.75 | 136.87 |
245 | 114.64 | 115.92 |
250 | 81.70 | 81.82 |
255 | 43.28 | 42.87 |
260 | 0.00 | 0.63 |
Girder 4 - Composite Dead Load
St | OpenBrIM | Larsa |
---|
0 | -0.27 | -0.65 |
5 | 61.53 | 62.51 |
10 | 108.04 | 108.91 |
15 | 140.13 | 140.14 |
20 | 165.22 | 164.58 |
25 | 178.48 | 177.71 |
30 | 177.92 | 176.59 |
35 | 170.50 | 169.16 |
40 | 154.05 | 153.22 |
45 | 123.69 | 122.83 |
50 | 83.77 | 83.29 |
55 | 36.16 | 36.45 |
60 | -25.49 | -25.08 |
65 | -99.90 | -97.82 |
70 | -183.72 | -180.43 |
75 | -282.47 | -279.86 |
80 | -396.88 | -396.32 |
85 | -285.26 | -282.78 |
90 | -188.98 | -185.86 |
95 | -107.54 | -105.73 |
100 | -36.01 | -36.05 |
105 | 23.76 | 23.63 |
110 | 69.59 | 68.76 |
115 | 105.36 | 104.37 |
120 | 134.46 | 133.75 |
125 | 149.71 | 148.69 |
130 | 151.66 | 150.97 |
135 | 149.68 | 148.67 |
140 | 134.45 | 133.76 |
145 | 105.38 | 104.40 |
150 | 69.60 | 68.78 |
155 | 23.80 | 23.69 |
160 | -35.95 | -35.96 |
165 | -107.47 | -105.64 |
170 | -188.89 | -185.76 |
175 | -285.15 | -282.65 |
180 | -396.96 | -396.36 |
185 | -282.54 | -279.96 |
190 | -183.77 | -180.50 |
195 | -99.94 | -97.86 |
200 | -25.52 | -25.11 |
205 | 36.14 | 36.43 |
210 | 83.76 | 83.28 |
215 | 123.69 | 122.83 |
220 | 154.04 | 153.23 |
225 | 170.49 | 169.17 |
230 | 177.91 | 176.60 |
235 | 178.48 | 177.72 |
240 | 165.21 | 164.59 |
245 | 140.13 | 140.15 |
250 | 108.03 | 108.91 |
255 | 61.53 | 62.51 |
260 | 0.00 | -0.65 |
Girder 3- Positive Live Load Bending Moment
St | OpenBrIM | Larsa |
---|
0 | 2.308925 | 4.19018882 |
5 | 284.273092 | 358.770915 |
10 | 480.00115 | 551.667598 |
15 | 617.634708 | 678.427873 |
20 | 742.808133 | 787.317393 |
25 | 817.113383 | 852.210367 |
30 | 849.000417 | 865.239138 |
35 | 855.62735 | 876.017803 |
40 | 836.927192 | 853.52737 |
45 | 775.996767 | 794.222125 |
50 | 678.697967 | 721.254339 |
55 | 560.860033 | 652.76053 |
60 | 425.354917 | 519.016745 |
65 | 278.689133 | 400.54256 |
70 | 211.387825 | 300.758612 |
75 | 152.3248 | 175.353104 |
80 | 146.552908 | 135.06688 |
85 | 164.397183 | 179.264483 |
90 | 174.420583 | 267.489546 |
95 | 257.099758 | 324.280943 |
100 | 392.867758 | 428.20886 |
105 | 528.0162 | 547.827794 |
110 | 628.113142 | 656.866831 |
115 | 715.807658 | 740.1057 |
120 | 804.479567 | 837.170926 |
125 | 828.070075 | 883.851506 |
130 | 820.626392 | 903.596917 |
135 | 829.746158 | 910.528572 |
140 | 797.681458 | 846.008331 |
145 | 742.362183 | 763.261559 |
150 | 666.913433 | 687.362487 |
155 | 572.660825 | 590.551366 |
160 | 449.887517 | 472.836289 |
165 | 307.754783 | 370.161537 |
170 | 180.291267 | 303.054375 |
175 | 106.167133 | 187.920442 |
180 | 129.991675 | 130.578407 |
185 | 125.410358 | 227.720697 |
190 | 214.821242 | 336.788985 |
195 | 330.049275 | 435.382879 |
200 | 484.866692 | 589.14033 |
205 | 611.064267 | 692.627404 |
210 | 722.0342 | 752.21314 |
215 | 806.513233 | 817.090619 |
220 | 863.426608 | 874.756454 |
225 | 883.295633 | 886.473935 |
230 | 875.214667 | 872.35976 |
235 | 839.203925 | 860.748854 |
240 | 771.482958 | 786.365464 |
245 | 645.620917 | 688.351554 |
250 | 506.541192 | 576.93163 |
255 | 311.320283 | 351.224504 |
260 | 0.00 | 3.95663886 |
Girder 3- Negative Live Load Bending Moment
St | OpenBrIM | Larsa |
---|
0 | -1.54645 | -4.0418545 |
5 | -23.276617 | -27.690759 |
10 | -46.829342 | -55.7262 |
15 | -70.449033 | -84.031655 |
20 | -94.139192 | -112.60483 |
25 | -117.81119 | -141.17914 |
30 | -141.48048 | -169.72056 |
35 | -165.18478 | -198.32242 |
40 | -188.93339 | -226.97613 |
45 | -212.71509 | -255.65244 |
50 | -236.62872 | -284.53256 |
55 | -260.72152 | -313.71732 |
60 | -286.23505 | -344.14168 |
65 | -329.42137 | -398.30314 |
70 | -403.43703 | -482.60199 |
75 | -506.72718 | -520.35749 |
80 | -686.88258 | -681.05096 |
85 | -530.88518 | -513.88519 |
90 | -384.81809 | -409.6941 |
95 | -295.36725 | -357.14108 |
100 | -235.17677 | -281.32506 |
105 | -201.19496 | -241.3867 |
110 | -191.70152 | -231.61527 |
115 | -185.89443 | -224.60131 |
120 | -180.31388 | -218.06624 |
125 | -174.74728 | -189.80092 |
130 | -175.97782 | -175.16967 |
135 | -187.61578 | -207.01041 |
140 | -199.60678 | -236.64374 |
145 | -211.58262 | -249.2251 |
150 | -224.47055 | -263.22176 |
155 | -238.28114 | -278.56408 |
160 | -267.34794 | -313.05322 |
165 | -322.52686 | -382.1566 |
170 | -404.4115 | -472.62803 |
175 | -515.82188 | -522.73463 |
180 | -638.90969 | -646.928 |
185 | -535.67628 | -592.56989 |
190 | -433.51944 | -521.62989 |
195 | -364.46009 | -431.44339 |
200 | -326.21068 | -384.22007 |
205 | -297.22111 | -349.32854 |
210 | -268.40215 | -314.72618 |
215 | -240.46539 | -281.55729 |
220 | -213.11943 | -249.36119 |
225 | -185.78653 | -217.11536 |
230 | -158.74778 | -185.34491 |
235 | -132.13622 | -154.2307 |
240 | -105.48994 | -123.04962 |
245 | -78.83115 | -91.864846 |
250 | -52.2699 | -60.87201 |
255 | -25.991042 | -30.183031 |
260 | 0.00 | -3.95243 |
Girder 4- Positive Live Load Bending Moment
St | OpenBrIM | Larsa |
---|
0 | 1.95663333 | 3.74866606 |
5 | 306.953708 | 299.085839 |
10 | 548.791567 | 528.328994 |
15 | 742.355408 | 715.091994 |
20 | 894.455017 | 840.685477 |
25 | 979.382 | 918.419627 |
30 | 1036.46061 | 966.223743 |
35 | 1032.46078 | 964.487147 |
40 | 988.358192 | 930.706135 |
45 | 906.682025 | 867.355743 |
50 | 775.092183 | 776.800273 |
55 | 614.80565 | 648.837258 |
60 | 441.642217 | 495.930985 |
65 | 349.780383 | 381.048969 |
70 | 309.779783 | 330.396768 |
75 | 353.374992 | 283.173382 |
80 | 411.277467 | 313.670308 |
85 | 502.556058 | 340.742192 |
90 | 412.733167 | 334.91789 |
95 | 365.3138 | 352.811208 |
100 | 430.583625 | 411.551702 |
105 | 537.764775 | 534.18181 |
110 | 690.174675 | 678.889251 |
115 | 826.198517 | 801.741882 |
120 | 929.454942 | 897.712781 |
125 | 993.623625 | 970.523291 |
130 | 1037.56826 | 1032.31741 |
135 | 1031.73027 | 1011.31033 |
140 | 992.640392 | 943.206253 |
145 | 932.557642 | 871.455079 |
150 | 824.209258 | 762.241337 |
155 | 685.869675 | 621.18352 |
160 | 524.542425 | 471.500265 |
165 | 364.380883 | 355.288545 |
170 | 226.910233 | 277.662263 |
175 | 158.336358 | 202.299468 |
180 | 184.4738 | 180.721071 |
185 | 165.04015 | 220.529652 |
190 | 228.138658 | 286.285271 |
195 | 377.5188 | 426.491949 |
200 | 580.682925 | 598.742891 |
205 | 761.850167 | 744.280593 |
210 | 914.832175 | 865.466165 |
215 | 1021.61508 | 948.777573 |
220 | 1097.70863 | 999.530277 |
225 | 1130.09628 | 1026.68811 |
230 | 1118.37091 | 1016.58067 |
235 | 1056.12198 | 960.297551 |
240 | 951.411533 | 854.278424 |
245 | 802.805733 | 733.396523 |
250 | 595.657208 | 548.233068 |
255 | 345.449225 | 299.522107 |
260 | 0.00 | 3.73217198 |
Girder 4- Negative Live Load Bending Moment
St | OpenBrIM | Larsa |
---|
0 | -1.3723167 | -2.4910263 |
5 | -27.1889 | -33.457534 |
10 | -55.637775 | -67.995036 |
15 | -83.822258 | -102.96839 |
20 | -104.77297 | -133.57254 |
25 | -126.71828 | -159.81345 |
30 | -150.32758 | -190.07731 |
35 | -175.71521 | -222.18976 |
40 | -201.12943 | -254.24197 |
45 | -226.62308 | -286.39447 |
50 | -252.19039 | -318.61205 |
55 | -278.09538 | -350.92252 |
60 | -314.52206 | -388.03327 |
65 | -380.29653 | -456.86324 |
70 | -511.47092 | -528.14374 |
75 | -688.23202 | -679.31307 |
80 | -904.39943 | -922.66645 |
85 | -747.76305 | -738.33058 |
90 | -557.75159 | -541.85451 |
95 | -400.23368 | -411.32114 |
100 | -281.01098 | -331.39022 |
105 | -226.2944 | -276.96498 |
110 | -200.35952 | -257.4932 |
115 | -196.26394 | -252.23054 |
120 | -193.67781 | -240.98301 |
125 | -195.40283 | -208.14182 |
130 | -208.58441 | -220.46071 |
135 | -226.5627 | -256.57955 |
140 | -245.41735 | -293.92548 |
145 | -264.51003 | -313.4218 |
150 | -283.12182 | -332.19276 |
155 | -302.63883 | -350.91374 |
160 | -338.15445 | -385.73164 |
165 | -399.1939 | -439.15689 |
170 | -493.59862 | -544.2684 |
175 | -623.25491 | -590.8338 |
180 | -797.86146 | -716.14479 |
185 | -645.25418 | -672.20584 |
190 | -525.48428 | -581.80303 |
195 | -448.10367 | -516.3685 |
200 | -405.84999 | -471.84097 |
205 | -371.49021 | -432.27272 |
210 | -337.53848 | -393.30007 |
215 | -303.47352 | -353.92703 |
220 | -269.39348 | -314.33541 |
225 | -240.81168 | -275.07437 |
230 | -215.52436 | -246.32721 |
235 | -183.35876 | -209.63704 |
240 | -151.79168 | -173.38905 |
245 | -119.21641 | -135.54599 |
250 | -79.836483 | -90.381543 |
255 | -42.845008 | -45.488332 |
260 | 0.00 | -2.6838026 |
Vertical Reactions (Kips)
Non-Composite Dead Load
| OpenBrIM | Larsa |
---|
Girder 1 | Girder 2 | Girder 3 | Girder 4 | Pier Total | Girder 1 | Girder 2 | Girder 3 | Girder 4 | Pier Total |
---|
Pier 1 | 37.5253 | 39.7773 | 39.7667 | 37.4521 | 154.5214 | 37.14 | 40.09 | 40.11 | 37.13 | 154.48 |
Pier 2 | 135.7755 | 142.0142 | 142.0141 | 135.7758 | 555.5796 | 134.42 | 143.34 | 143.34 | 134.42 | 555.51 |
Pier 3 | 135.7733 | 142.0111 | 142.0108 | 135.7729 | 555.5681 | 134.41 | 143.33 | 143.33 | 134.41 | 555.49 |
Pier 4 | 37.4523 | 39.7741 | 39.7681 | 37.4549 | 154.4494 | 37.14 | 40.10 | 40.11 | 37.14 | 154.48 |
Girder Total | 346.5264 | 363.5767 | 363.5597 | 346.4557 |
| 343.11 | 366.86 | 366.90 | 343.10 |
|
Bridge Total | 1420.119 |
| 1419.96 |
Composite Dead Load
| OpenBrIM | Larsa |
---|
Girder 1 | Girder 2 | Girder 3 | Girder 4 | Pier Total | Girder 1 | Girder 2 | Girder 3 | Girder 4 | Pier Total |
---|
Pier 1 | 13.8294 | 9.1966 | 9.1966 | 13.8958 | 46.1184 | 14.17 | 9.06 | 9.04 | 14.18 | 46.45 |
Pier 2 | 48.1191 | 32.5259 | 32.5259 | 48.1226 | 161.2923 | 48.47 | 32.70 | 32.70 | 48.46 | 162.33 |
Pier 3 | 48.1205 | 32.5266 | 32.5267 | 48.1206 | 161.2944 | 48.47 | 32.70 | 32.70 | 48.46 | 162.33 |
Pier 4 | 13.8935 | 9.1963 | 9.1967 | 13.8944 | 46.1819 | 14.17 | 9.04 | 9.04 | 14.18 | 46.45 |
Girder Total | 123.9635 | 83.4442 | 83.4459 | 124.0334 |
| 125.27 | 83.52 | 83.49 | 125.28 |
|
Bridge Total | 414.887 |
| 417.56 |
Live Load
| OpenBrIM | Larsa |
---|
| Girder1 | Girder2 | Girder3 | Girder4 | Girder1 | Girder2 | Girder3 | Girder4 |
---|
Pier1 | 77.1775 | 74.2007 | 75.9977 | 76.7887 | 67.62 | 80.97 | 81.75 | 66.36 |
Pier2 | 105.3848 | 97.0303 | 97.7614 | 103.947 | 110.13 | 120.77 | 121.12 | 108.54 |
Pier3 | 101.7729 | 97.0511 | 97.4683 | 100.588 | 106.93 | 120.16 | 120.52 | 105.34 |
Pier4 | 80.1788 | 71.4891 | 75.9269 | 79.649 | 67.65 | 79.04 | 79.76 | 66.33 |
Cross Frame Axial Forces (kips)
Live Load Plus Impact
Cross Frame at Center of Span 2 Girder 2 and3
| OpenBrIM | Larsa |
---|
| Bottom Chord | Diagonals | Bottom Chord | Diagonals |
Tension | 13.9424 | 9.243 | 7.57 | 16.49 |
Compression | -12.4104 | -9.0286 | -5.51 | -11.29 |
Bottom Flange Latheral Moments (kip-Ft)
Live Load Plus Impact
| OpenBrIM | Larsa |
---|
| Pier 2 | Center Of Span 2 | Pier 2 | Center Of Span 2 |
Girder 3 | 2.99 | 1.59 | 3.39 | 1.71 |
Girder 4 | 3.29 | 1.60 | 3.97 | 2.21 |
Dead Load Vertical Deflections (inch)
Non-Composite Dead Load ( Stage 3 )
| OpenBrIM | Larsa |
---|
| 0.4 Pt of Span 1 | Center Of Span 2 | 0.4 Pt of Span 1 | Center Of Span 2 |
Girder 3 | | | -0.49 | -0.51 |
Girder 4 | | | -0.46 | -0.48 |
Composite Dead Load ( Stage 6 )
| OpenBrIM | Larsa |
---|
| 0.4 Pt of Span 1 | Center Of Span 2 | 0.4 Pt of Span 1 | Center Of Span 2 |
Girder 3 | | | -0.069 | -0.083 |
Girder 4 | | -0.0792 | -0.086 | -0.099 |