Jim Crews

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New Code Editions Increase Seismic Forces

More and more states are adopting newer codes- in particular IBC 2018, which references ASCE7-16.  An example of this is the 2019 Oregon Structural Specialty Code which...

Drive-In Columns – Slenderness

The Drive-in rack configuration is unique because the fork-lift actually enters into the storage bay. For this reason, there cannot be a cross-bay beam...

Correct Installation of Teardrop Style Beams

Teardrop (Interchangeable) style racking is a very common form of boltless racking. The beam connectors have “pins” that are manufactured as part of the...

Mixing of Rack Components From Different Manufacturers

Many rack manufacturers of both structural and roll-formed racks make rack components that can be successfully connected to a structure or component of a...

Over-strength Design Requirement (Ω = 2) in ASCE7 Specification for Baseplate and Anchor Bolt Seismic Design

The ASCE7 Specification is the document that the International Building Code refers to for applied loading for design of structures. Storage rack are covered...

Breaking

Load Capacity Requirements in the new RMI Storage Rack Standard ANSI MH16.1-2021

The revised American National Standard for storage rack, ANSI...

Anchor Bolts: Nominal Embedment vs. Effective Embedment

There is often confusion regarding what is meant by...

Anchor Bolt Embedment Tables

On projects in elevated seismic zone where there is...

Concrete Slab Importance in Rack Anchor Embedment

It is important to know the slab thickness of...
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