eFunda: Glossary: Beams: Simply Supported: Uniformly Distributed Load: Single Span: Aluminum I Beam: 8.00 × 7.023

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 (I_xx = 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.

Aluminum I Beam: 8.00 × 7.023 (8.00 inch tall × 7.023 lbf/ft)
L = 3.00 ft
(lbf/ft)	(in)	(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
(lbf/ft)	(in)	(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
(lbf/ft)	(in)	(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
(lbf/ft)	(in)	(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
(lbf/ft)	(in)	(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
(lbf/ft)	(in)	(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
(lbf/ft)	(in)	(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
(lbf/ft)	(in)	(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
(lbf/ft)	(in)	(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
(lbf/ft)	(in)	(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
(lbf/ft)	(in)	(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

Additional Information

Area properties of Aluminum I-Beams

Properties of Common Aluminum Alloys

Beam Equations and Euler-Bernoulli Beam Theory

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