I 10-83 – I Bearing Bar PROGrate Pultruded Grating

1" Thick | 83% Open
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Product Description Part Number Resin Color Length Location Quantity UOM  

Span (inches)

CONCENTRATED LOAD in lb/ft of width

Max
Load (lb/ft)

Apparent
EI x 106
(lb-in2)

50

100

200

500

750

1000

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)

50

100

200

500

750

1000

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.