Load Archives -

Introducing The Next-Generation Strong-Drive® SDHR Combo-Head Screws: Steel-to-Wood Structural Fastening Solution with Enhanced Durability and Hydrogen Embrittlement Resistance

Now with Black E-Coat Finish — Compliant with CSA O86:24 Hydrogen Embrittlement Requirements

In response to the hydrogen embrittlement requirements defined in CSA O86:24 and the increasing structural demands of modern heavy timber and mass timber construction, Simpson Strong-Tie® has developed the next-generation Strong-Drive® SDHR Combo-Head Screw with a black e-coat finish. This updated version is designed to meet the latest durability and hardness requirements while delivering the same high-capacity structural performance that engineers have come to rely on in steel-to-wood applications. The new SDHR is listed in the ICC-ES ESR-3046 Evaluation Report.

ASCE 7-22 Shakes Things Up: Changes to Seismic Calculations for Anchorage of Equipment

The anchorage of nonstructural components like mechanical and electrical equipment is an important element of ensuring life safety that doesn’t always get the same attention as the structural engineering required for the building itself. The key standard that governs design loads is ASCE 7. This blog post explores updated equations in the newest edition of the standard, ASCE 7-22, specifically Chapter 13, which covers seismic design of nonstructural components. We’ll walk step by step through an example of anchoring a piece of equipment to a concrete slab inside a Risk Category IV building in a high seismic area.