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Re: Steel lintel beam

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ACI 530-95/ASCE 5-95/TMS 402-95 recommends a deflection limit of L/600
nor 0.3 inches for lintels.

You might want to consider locating control joints at each end of the
lintel to prevent cracking due to end rotation of the lintel. You might
also want one at midspan so as not to exceed an aspect ratio of 3.

Jim Kestner, P.E.
Green Bay, Wi.

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