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Anchor Bolts: Nominal Embedment vs. Effective Embedment

There is often confusion regarding what is meant by nominal embedment of an anchor and what is meant by effective embedment of...

Anchor Bolt Embedment Tables

On projects in elevated seismic zone where there is significant calculated uplift force on the anchors, deeper embedment depths may be required...

Concrete Slab Importance in Rack Anchor Embedment

It is important to know the slab thickness of the rack floor because there is a minimum slab thickness that is required...

Adding Frame Extensions

Anytime a rack user wants to change their bay profile or loading, the rack should be reviewed by a qualified engineer to...

Shim Installation: Cross-Aisle Plumb

The RMI Specification requires that loaded pallet racks be out-of-plumb no more than H/240 where H = the distance from the floor...

Cantilever Racks New Design Requirements

Recently the first ever RMI Cantilever Specification was completed and adopted by the RMI (Rack Manufacturers Institute). Following this adoption...

New Code Editions Increase Seismic Forces

IBC 0218 Seismic Changes
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...

Drive-In Columns – Slenderness

Drive-In Rack Column Selection
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

Beam Failure Tear From Post
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

Different Rack 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...