Ram Connection Flange-Plated Connection

Qrs — Wed, 19 Feb 2014 20:14:25 GMT

I have two questions about the flange-plated connection module. First, when checking the compression of the flange plate, how do you determine the length for KL/r? See attached pdf with value highlighed in green.

Second, what determines the "weld setback" length?

Thanks!

How are MpM and MpN calculated in RAM connection?

Qrs — Fri, 24 Jan 2014 21:13:08 GMT

How are MpM and MpN calculated in RAM connection for base plate flexural yielding due to bearing? I am designing a column with a large moment. I am following AISC's Design Guide 1, but I cannot get my hand calculations to match the values in my RAM report. How are these calculated? Is the value of "Y" as the bearing length shown anywhere in the report? Why are these equations so cryptic!?

I have attached the file in questions. I am looking at the connection with uniaxial bending. By my calculations, I get Y=0.7935" and MplM=12.76kft/ft.

Thanks.

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Ram Connection Flange-Plated Connection

How are MpM and MpN calculated in RAM connection?