AMICO BAR GRATING CALCULATOR
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RIVETED GRATING
(REGULAR DUTY)
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Input
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Grating Options**
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Enter design
parameters in the yellow fields below.
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Style
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Bar size
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Bearing bar spacing
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Approx. weight
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Section modulus*
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Moment of inertia*
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Grating type
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(see list below)
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(in)
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(in)
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(psf)
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(in3)
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(in4)
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Bearing bar surface
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Clear span
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in.
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Uniform load
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psf
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* Per foot of grating
width.
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Concentrated load*
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lbf
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** All
grating options shown on this list meet ANSI/NAAMM MBG 531 strength and
deflection requirements.
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Allowable
deflection
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in.
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1-1/8in clear
bearing bar space
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3/4in clear bearing bar space
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7in rivet spacing
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3in rivet spacing
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7in rivet spacing
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3in rivet spacing
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a. 18-R-7, Steel
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c. 18-R-3, Steel
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e. 12-R-7, Steel
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g. 12-R-3, Steel
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b. 18-AR-7, Aluminum
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d. 18-AR-3, Aluminum
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f. 12-AR-7, Aluminum
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h. 12-AR-3, Aluminum
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Contact AMICO
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800-366-2642
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E-mail
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Web
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© 2013 Alabama Metal Industries Corp. All rights
reserved.
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