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Glossary » Beams » Simply Supported » Uniformly Distributed Load » Single Span » Aluminum I Beam » 8.00 × 7.023
Aluminum I Beam | Single Span | Two Equal Spans | Three Equal Spans | Four Equal Spans

For a simply supported beam in a single span, the maximum displacement w_max and the maximum normal stress stress_max occur at the center of the beam.
The tabulated data listed in this page are calculated based on the area moment of inertia (Ixx = 67.78 in4) for the 8.00 × 7.023 Aluminum I Beam and the typical Young's modulus (E = 1.015 × 107 psi) of aluminum alloys. Note that the typical yielding stress Yield of aluminum alloys can range from 4061 to 7.614 × 104 psi. The purpose of this page is to give a rough estimation of the load-bearing capacity of this particular beam, rather than a guideline for designing actual building structures. Please check your local building codes for regulatory requirements.
Note: The weight of the beam itself is not included in the calculation.
L = 3 ft
L = 5 ft
L = 10 ft
L = 15 ft
L = 20 ft
L = 25 ft
L = 30 ft
L = 40 ft
L = 50 ft
L = 60 ft
L = 70 ft
   
Aluminum I Beam: 8.00 × 7.023 (8.00 inch tall × 7.023 lbf/ft)
L = 3.00 ft
P (lbf/ft) w_max (in) stress_max (psi)
7.02 1.86 × 10-5 5.60
8.00 2.12 × 10-5 6.37
9.00 2.38 × 10-5 7.17
10.0 2.65 × 10-5 7.97
20.0 5.30 × 10-5 15.9
30.0 7.95 × 10-5 23.9
40.0 1.06 × 10-4 31.9
50.0 1.32 × 10-4 39.8
60.0 1.59 × 10-4 47.8
70.0 1.85 × 10-4 55.8
80.0 2.12 × 10-4 63.7
90.0 2.38 × 10-4 71.7
100 2.65 × 10-4 79.7
200 5.30 × 10-4 159
300 7.95 × 10-4 239
400 0.00106 319
500 0.00132 398
600 0.00159 478
700 0.00185 558
800 0.00212 637
900 0.00238 717
1000 0.00265 797
2000 0.00530 1590
3000 0.00795 2390
4000 0.0106 3190
5000 0.0132 3980
6000 0.0159 4780
7000 0.0185 5580
8000 0.0212 6370
9000 0.0238 7170
1.00 × 104 0.0265 7970
2.00 × 104 0.0530 1.59 × 104
3.00 × 104 0.0795 2.39 × 104
4.00 × 104 0.106 3.19 × 104
5.00 × 104 0.132 3.98 × 104
6.00 × 104 0.159 4.78 × 104
7.00 × 104 0.185 5.58 × 104
8.00 × 104 0.212 6.37 × 104
9.00 × 104 0.238 7.17 × 104
9.56 × 104 0.253 7.61 × 104
Aluminum I Beam: 8.00 × 7.023 (8.00 inch tall × 7.023 lbf/ft)
L = 5.00 ft
P (lbf/ft) w_max (in) stress_max (psi)
7.02 1.44 × 10-4 15.5
8.00 1.63 × 10-4 17.7
9.00 1.84 × 10-4 19.9
10.0 2.04 × 10-4 22.1
20.0 4.09 × 10-4 44.3
30.0 6.13 × 10-4 66.4
40.0 8.17 × 10-4 88.5
50.0 0.00102 111
60.0 0.00123 133
70.0 0.00143 155
80.0 0.00163 177
90.0 0.00184 199
100 0.00204 221
200 0.00409 443
300 0.00613 664
400 0.00817 885
500 0.0102 1110
600 0.0123 1330
700 0.0143 1550
800 0.0163 1770
900 0.0184 1990
1000 0.0204 2210
2000 0.0409 4430
3000 0.0613 6640
4000 0.0817 8850
5000 0.102 1.11 × 104
6000 0.123 1.33 × 104
7000 0.143 1.55 × 104
8000 0.163 1.77 × 104
9000 0.184 1.99 × 104
1.00 × 104 0.204 2.21 × 104
2.00 × 104 0.409 4.43 × 104
3.00 × 104 0.613 6.64 × 104
3.44 × 104 0.703 7.61 × 104
Aluminum I Beam: 8.00 × 7.023 (8.00 inch tall × 7.023 lbf/ft)
L = 10.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
7.02 0.00230 62.2
8.00 0.00262 70.8
9.00 0.00294 79.7
10.0 0.00327 88.5
20.0 0.00654 177
30.0 0.00981 266
40.0 0.0131 354
50.0 0.0163 443
60.0 0.0196 531
70.0 0.0229 620
80.0 0.0262 708
90.0 0.0294 797
100 0.0327 885
200 0.0654 1770
300 0.0981 2660
400 0.131 3540
500 0.163 4430
600 0.196 5310
700 0.229 6200
800 0.262 7080
900 0.294 7970
1000 0.327 8850
2000 0.654 1.77 × 104
3000 0.981 2.66 × 104
4000 1.31 3.54 × 104
5000 1.63 4.43 × 104
6000 1.96 5.31 × 104
7000 2.29 6.20 × 104
8000 2.62 7.08 × 104
8600 2.81 7.61 × 104
Aluminum I Beam: 8.00 × 7.023 (8.00 inch tall × 7.023 lbf/ft)
L = 15.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
7.02 0.0116 140
8.00 0.0132 159
9.00 0.0149 179
10.0 0.0166 199
20.0 0.0331 398
30.0 0.0497 598
40.0 0.0662 797
50.0 0.0828 996
60.0 0.0993 1200
70.0 0.116 1390
80.0 0.132 1590
90.0 0.149 1790
100 0.166 1990
200 0.331 3980
300 0.497 5980
400 0.662 7970
500 0.828 9960
600 0.993 1.20 × 104
700 1.16 1.39 × 104
800 1.32 1.59 × 104
900 1.49 1.79 × 104
1000 1.66 1.99 × 104
2000 3.31 3.98 × 104
3000 4.97 5.98 × 104
3820 6.33 7.61 × 104
Aluminum I Beam: 8.00 × 7.023 (8.00 inch tall × 7.023 lbf/ft)
L = 20.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
7.02 0.0367 249
8.00 0.0419 283
9.00 0.0471 319
10.0 0.0523 354
20.0 0.105 708
30.0 0.157 1060
40.0 0.209 1420
50.0 0.262 1770
60.0 0.314 2120
70.0 0.366 2480
80.0 0.419 2830
90.0 0.471 3190
100 0.523 3540
200 1.05 7080
300 1.57 1.06 × 104
400 2.09 1.42 × 104
500 2.62 1.77 × 104
600 3.14 2.12 × 104
700 3.66 2.48 × 104
800 4.19 2.83 × 104
900 4.71 3.19 × 104
1000 5.23 3.54 × 104
1530 8.00 5.41 × 104
Aluminum I Beam: 8.00 × 7.023 (8.00 inch tall × 7.023 lbf/ft)
L = 25.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
7.02 0.0897 389
8.00 0.102 443
9.00 0.115 498
10.0 0.128 553
20.0 0.255 1110
30.0 0.383 1660
40.0 0.511 2210
50.0 0.639 2770
60.0 0.766 3320
70.0 0.894 3870
80.0 1.02 4430
90.0 1.15 4980
100 1.28 5530
200 2.55 1.11 × 104
300 3.83 1.66 × 104
400 5.11 2.21 × 104
500 6.39 2.77 × 104
600 7.66 3.32 × 104
626 8.00 3.47 × 104
Aluminum I Beam: 8.00 × 7.023 (8.00 inch tall × 7.023 lbf/ft)
L = 30.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
7.02 0.186 560
8.00 0.212 637
9.00 0.238 717
10.0 0.265 797
20.0 0.530 1590
30.0 0.795 2390
40.0 1.06 3190
50.0 1.32 3980
60.0 1.59 4780
70.0 1.85 5580
80.0 2.12 6370
90.0 2.38 7170
100 2.65 7970
200 5.30 1.59 × 104
300 7.95 2.39 × 104
302 8.00 2.41 × 104
Aluminum I Beam: 8.00 × 7.023 (8.00 inch tall × 7.023 lbf/ft)
L = 40.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
7.02 0.588 995
8.00 0.670 1130
9.00 0.753 1270
10.0 0.837 1420
20.0 1.67 2830
30.0 2.51 4250
40.0 3.35 5670
50.0 4.19 7080
60.0 5.02 8500
70.0 5.86 9910
80.0 6.70 1.13 × 104
90.0 7.53 1.27 × 104
95.6 8.00 1.35 × 104
Aluminum I Beam: 8.00 × 7.023 (8.00 inch tall × 7.023 lbf/ft)
L = 50.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
7.02 1.44 1550
8.00 1.63 1770
9.00 1.84 1990
10.0 2.04 2210
20.0 4.09 4430
30.0 6.13 6640
39.1 8.00 8660
Aluminum I Beam: 8.00 × 7.023 (8.00 inch tall × 7.023 lbf/ft)
L = 60.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
7.02 2.98 2240
8.00 3.39 2550
9.00 3.81 2870
10.0 4.24 3190
18.9 8.00 6020
Aluminum I Beam: 8.00 × 7.023 (8.00 inch tall × 7.023 lbf/ft)
L = 70.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
7.02 5.51 3050
8.00 6.28 3470
9.00 7.07 3900
10.0 7.85 4340
10.2 8.00 4420
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