I 10-83 – I Bearing Bar

1" Thick | 83% Open

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I 10-83 – I Bearing Bar

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Product	Description	Part Number	Resin	Color	Length	Location	Pieces

Span (inches)	CONCENTRATED LOAD in lb/ft of width						Max Load (lb/ft)	Apparent EI x 10⁶ (lb-in²)
Span (inches)	50	100	200	500	750	1000	Max Load (lb/ft)	Apparent EI x 10⁶ (lb-in²)
12	0.0065	0.013	0.026	0.065	0.098	0.130	1812	2.31
18	0.013	0.026	0.052	0.130	0.195	0.260	1208	3.89
24	0.029	0.058	0.116	0.290	0.435		906	4.14
30	0.056	0.112	0.224	0.560			725	4.19
36	0.099	0.198	0.396				604	4.09
42	0.155	0.310	0.620				518	4.15
48	0.225	0.450	0.900				453	4.27
54	0.317	0.634					403	4.31
60	0.408	0.816					362	4.60

Span (inches)	UNIFORM LOAD in lb/ft²						Max Load (lb/ft²)	Apparent EI x 10⁶ (lb-in²)
Span (inches)	50	100	200	500	750	1000	Max Load (lb/ft²)	Apparent EI x 10⁶ (lb-in²)
12	0.003	0.006	0.010	0.013	0.016	0.032	3841	2.31
18	0.011	0.022	0.033	0.044	0.055	0.110	2560	3.89
24	0.031	0.061	0.092	0.123	0.153	0.307	1920	4.14
30	0.056	0.111	0.167	0.222	0.278	0.555	1536	4.19
36	0.163	0.326	0.488	0.651	0.814		1280	4.09
42	0.303	0.606	0.909				1097	4.15
48	0.519						960	4.27
54	0.867						853	4.31
60	1.509						768	4.60

Properties Per Foot of Width	# of Bars	Load Bar Depth	Bar Centers	Weight/sq ft
A = 1.19 in² I = 0.12 in⁴ S = 0.24 in³	6	1	1.9″	2

1. Tables were developed in accordance with the test method developed by the Fiberglass Grating Manufacturers Council (FGMC) of the American Composites Manufacturers Association (ACMA) for the Fiberglass Grating Standard.

2. The designer should not exceed MAXIMUM RECOMMENDED load at any time. ULTIMATE CAPACITY represents MAX LOAD observed at initial fracture.

3. Walking loads for maintenance traffic are typically a live load of 50 PSF. Deflections for worker comfort are typically limited to 0.375″ (3⁄8″) or SPAN divided by 120 under full live load. For a firmer feel under full live load or a line load 250 lb/ft of width, limit deflections to 0.25″ (1/4″) or SPAN divided by 200.

4. The loads represented are for STATIC LOAD CONDITIONS at ambient temperature. Deflections for impact loads or dynamic loads will MULTIPLY the deflections shown by 2. Long term loads will result in added deflection due to creep in the material and will require higher factors of safety to ensure acceptable performance.

5. Deflections are limited to 0.5″ (1/2″) as recommended by the Fiberglass Grating Manufacturers Council of the American Composites Manufacturers Association.