engineering fundamentals
Aluminum I Beam: 7.00 × 5.800
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Glossary » Beams » Simply Supported » Uniformly Distributed Load » Four Equal Spans » Aluminum I Beam » 7.00 × 5.800
Aluminum I Beam | Single Span | Two Equal Spans | Three Equal Spans | Four Equal Spans

For a simply supported beam in four equal spans, we compute the displacement at the middle of the first and fourth spans, and the maximum normal stress stress_max occuring at the second and fourth supports of the beam.
The tabulated data listed in this page are calculated based on the area moment of inertia (Ixx = 42.89 in4) for the 7.00 × 5.800 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
L = 80 ft
   
Aluminum I Beam: 7.00 × 5.800 (7.00 inch tall × 5.800 lbf/ft)
L = 3.00 ft
P (lbf/ft) w_max (in) stress_max (psi)
5.80 1.17 × 10-5 5.47
6.00 1.22 × 10-5 5.66
7.00 1.42 × 10-5 6.61
8.00 1.62 × 10-5 7.55
9.00 1.82 × 10-5 8.50
10.0 2.03 × 10-5 9.44
20.0 4.05 × 10-5 18.9
30.0 6.08 × 10-5 28.3
40.0 8.10 × 10-5 37.8
50.0 1.01 × 10-4 47.2
60.0 1.22 × 10-4 56.6
70.0 1.42 × 10-4 66.1
80.0 1.62 × 10-4 75.5
90.0 1.82 × 10-4 85.0
100 2.03 × 10-4 94.4
200 4.05 × 10-4 189
300 6.08 × 10-4 283
400 8.10 × 10-4 378
500 0.00101 472
600 0.00122 566
700 0.00142 661
800 0.00162 755
900 0.00182 850
1000 0.00203 944
2000 0.00405 1890
3000 0.00608 2830
4000 0.00810 3780
5000 0.0101 4720
6000 0.0122 5660
7000 0.0142 6610
8000 0.0162 7550
9000 0.0182 8500
1.00 × 104 0.0203 9440
2.00 × 104 0.0405 1.89 × 104
3.00 × 104 0.0608 2.83 × 104
4.00 × 104 0.0810 3.78 × 104
5.00 × 104 0.101 4.72 × 104
6.00 × 104 0.122 5.66 × 104
7.00 × 104 0.142 6.61 × 104
8.00 × 104 0.162 7.55 × 104
8.07 × 104 0.163 7.61 × 104
Aluminum I Beam: 7.00 × 5.800 (7.00 inch tall × 5.800 lbf/ft)
L = 5.00 ft
P (lbf/ft) w_max (in) stress_max (psi)
5.80 9.06 × 10-5 15.2
6.00 9.38 × 10-5 15.7
7.00 1.09 × 10-4 18.4
8.00 1.25 × 10-4 21.0
9.00 1.41 × 10-4 23.6
10.0 1.56 × 10-4 26.2
20.0 3.13 × 10-4 52.4
30.0 4.69 × 10-4 78.7
40.0 6.25 × 10-4 105
50.0 7.81 × 10-4 131
60.0 9.38 × 10-4 157
70.0 0.00109 184
80.0 0.00125 210
90.0 0.00141 236
100 0.00156 262
200 0.00313 524
300 0.00469 787
400 0.00625 1050
500 0.00781 1310
600 0.00938 1570
700 0.0109 1840
800 0.0125 2100
900 0.0141 2360
1000 0.0156 2620
2000 0.0313 5240
3000 0.0469 7870
4000 0.0625 1.05 × 104
5000 0.0781 1.31 × 104
6000 0.0938 1.57 × 104
7000 0.109 1.84 × 104
8000 0.125 2.10 × 104
9000 0.141 2.36 × 104
1.00 × 104 0.156 2.62 × 104
2.00 × 104 0.313 5.24 × 104
2.90 × 104 0.454 7.61 × 104
Aluminum I Beam: 7.00 × 5.800 (7.00 inch tall × 5.800 lbf/ft)
L = 10.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
5.80 0.00145 60.8
6.00 0.00150 62.9
7.00 0.00175 73.4
8.00 0.00200 83.9
9.00 0.00225 94.4
10.0 0.00250 105
20.0 0.00500 210
30.0 0.00750 315
40.0 0.0100 420
50.0 0.0125 524
60.0 0.0150 629
70.0 0.0175 734
80.0 0.0200 839
90.0 0.0225 944
100 0.0250 1050
200 0.0500 2100
300 0.0750 3150
400 0.100 4200
500 0.125 5240
600 0.150 6290
700 0.175 7340
800 0.200 8390
900 0.225 9440
1000 0.250 1.05 × 104
2000 0.500 2.10 × 104
3000 0.750 3.15 × 104
4000 1.00 4.20 × 104
5000 1.25 5.24 × 104
6000 1.50 6.29 × 104
7000 1.75 7.34 × 104
7260 1.82 7.61 × 104
Aluminum I Beam: 7.00 × 5.800 (7.00 inch tall × 5.800 lbf/ft)
L = 15.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
5.80 0.00734 137
6.00 0.00759 142
7.00 0.00886 165
8.00 0.0101 189
9.00 0.0114 212
10.0 0.0127 236
20.0 0.0253 472
30.0 0.0380 708
40.0 0.0506 944
50.0 0.0633 1180
60.0 0.0759 1420
70.0 0.0886 1650
80.0 0.101 1890
90.0 0.114 2120
100 0.127 2360
200 0.253 4720
300 0.380 7080
400 0.506 9440
500 0.633 1.18 × 104
600 0.759 1.42 × 104
700 0.886 1.65 × 104
800 1.01 1.89 × 104
900 1.14 2.12 × 104
1000 1.27 2.36 × 104
2000 2.53 4.72 × 104
3000 3.80 7.08 × 104
3230 4.08 7.61 × 104
Aluminum I Beam: 7.00 × 5.800 (7.00 inch tall × 5.800 lbf/ft)
L = 20.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
5.80 0.0232 243
6.00 0.0240 252
7.00 0.0280 294
8.00 0.0320 336
9.00 0.0360 378
10.0 0.0400 420
20.0 0.0800 839
30.0 0.120 1260
40.0 0.160 1680
50.0 0.200 2100
60.0 0.240 2520
70.0 0.280 2940
80.0 0.320 3360
90.0 0.360 3780
100 0.400 4200
200 0.800 8390
300 1.20 1.26 × 104
400 1.60 1.68 × 104
500 2.00 2.10 × 104
600 2.40 2.52 × 104
700 2.80 2.94 × 104
800 3.20 3.36 × 104
900 3.60 3.78 × 104
1000 4.00 4.20 × 104
1820 7.26 7.61 × 104
Aluminum I Beam: 7.00 × 5.800 (7.00 inch tall × 5.800 lbf/ft)
L = 25.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
5.80 0.0566 380
6.00 0.0586 393
7.00 0.0684 459
8.00 0.0781 524
9.00 0.0879 590
10.0 0.0977 655
20.0 0.195 1310
30.0 0.293 1970
40.0 0.391 2620
50.0 0.488 3280
60.0 0.586 3930
70.0 0.684 4590
80.0 0.781 5240
90.0 0.879 5900
100 0.977 6550
200 1.95 1.31 × 104
300 2.93 1.97 × 104
400 3.91 2.62 × 104
500 4.88 3.28 × 104
600 5.86 3.93 × 104
700 6.84 4.59 × 104
717 7.00 4.70 × 104
Aluminum I Beam: 7.00 × 5.800 (7.00 inch tall × 5.800 lbf/ft)
L = 30.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
5.80 0.117 547
6.00 0.122 566
7.00 0.142 661
8.00 0.162 755
9.00 0.182 850
10.0 0.203 944
20.0 0.405 1890
30.0 0.608 2830
40.0 0.810 3780
50.0 1.01 4720
60.0 1.22 5660
70.0 1.42 6610
80.0 1.62 7550
90.0 1.82 8500
100 2.03 9440
200 4.05 1.89 × 104
300 6.08 2.83 × 104
346 7.00 3.26 × 104
Aluminum I Beam: 7.00 × 5.800 (7.00 inch tall × 5.800 lbf/ft)
L = 40.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
5.80 0.371 973
6.00 0.384 1010
7.00 0.448 1170
8.00 0.512 1340
9.00 0.576 1510
10.0 0.640 1680
20.0 1.28 3360
30.0 1.92 5030
40.0 2.56 6710
50.0 3.20 8390
60.0 3.84 1.01 × 104
70.0 4.48 1.17 × 104
80.0 5.12 1.34 × 104
90.0 5.76 1.51 × 104
100 6.40 1.68 × 104
109 7.00 1.84 × 104
Aluminum I Beam: 7.00 × 5.800 (7.00 inch tall × 5.800 lbf/ft)
L = 50.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
5.80 0.906 1520
6.00 0.938 1570
7.00 1.09 1840
8.00 1.25 2100
9.00 1.41 2360
10.0 1.56 2620
20.0 3.13 5240
30.0 4.69 7870
40.0 6.25 1.05 × 104
44.8 7.00 1.17 × 104
Aluminum I Beam: 7.00 × 5.800 (7.00 inch tall × 5.800 lbf/ft)
L = 60.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
5.80 1.88 2190
6.00 1.94 2270
7.00 2.27 2640
8.00 2.59 3020
9.00 2.92 3400
10.0 3.24 3780
20.0 6.48 7550
21.6 7.00 8160
Aluminum I Beam: 7.00 × 5.800 (7.00 inch tall × 5.800 lbf/ft)
L = 70.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
5.80 3.48 2980
6.00 3.60 3080
7.00 4.20 3600
8.00 4.80 4110
9.00 5.40 4630
10.0 6.00 5140
11.7 7.00 5990
Aluminum I Beam: 7.00 × 5.800 (7.00 inch tall × 5.800 lbf/ft)
L = 80.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
5.80 5.94 3890
6.00 6.14 4030
6.84 7.00 4590
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