Caleb Knudson

Innovating from the Ground Up: Welcome to the Future!

Caleb Knudson

At Simpson Strong-Tie, Risk-Taking Innovation is central to our mission of helping people design and build safer, stronger structures. We’ve devoted a tremendous amount of effort and resources to thoughtfully cultivating a culture of innovation. And as Engineers, we’ve been armed...

#16298 Cover image
May 2024
Issue #16298
Page 114
Paul McEntee, S.E.

Developing High-Capacity Tension Straps for Mass Timber Engineering

Paul McEntee

Mass timber buildings use cross-laminated timber (CLT) or mass plywood panels to create horizontal diaphragms to transfer wind and seismic forces into the vertical elements of the lateral-force-resisting system. Spline connections resist shear forces at the panel joints, which I discussed in...

#16294 Cover image
January 2024
Issue #16294
Page 100
Simpson Strong-Tie Staff

Top Five Most Downloaded Engineering Letters

Simpson Strong-Tie Staff

Prior to joining Simpson Strong-Tie, I spent 13 years working as consulting structural engineer. As a specifier, I was amazed at the number of resources Simpson made available to me. From software, to blogs, to design guides, there were many resources to help me solve problems and streamline the...

#15291 Cover image
October 2023
Issue #15291
Page 114
Paul McEntee, S.E.

The H1A Hurricane Tie – An Update for a Classic

Paul McEntee

Simpson Strong-Tie recently released an updated model of our H1 – now the H1A. As a consulting engineer, I remember how much I disliked updating my standard details when products were discontinued. I thought it would be informative to explain the modifications and some of the reasons for...

#15288 Cover image
July 2023
Issue #15288
Page 108
Simpson Strong-Tie Staff

Contributing to a New Youth Scout Den in New Zealand

Simpson Strong-Tie Staff

Our Simpson Strong-Tie New Zealand branch was established in 2010 and helps provide Simpson Strong-Tie products to our friends in New Zealand. Recently, the branch had the opportunity to help a local scouts club build a new den to accommodate their growing club. [For all photos, See PDF or...

#15287 Cover image
June 2023
Issue #15287
Page 102
Paul McEntee, S.E.

Mass Timber Diaphragm Options with Four Different Connection Types — How Our LDSS48 Light Diaphragm Spline Strap Evolved

Paul McEntee

Floors and roofs on mass timber buildings are constructed from large panels of engineered wood, such as cross-laminated timber (CLT) or mass plywood. Designers join these prefabricated panels together on site to create a structural horizontal diaphragm to transfer wind and seismic loads to the...

#15286 Cover image
May 2023
Issue #15286
Page 96
Simpson Strong-Tie Staff

How to Accommodate Misplaced Shearwall Anchorage

Simpson Strong-Tie Staff

For several years, the Simpson Strong-Tie Strong-Wall® research and development team has kicked around the idea of developing an “adapter” that would allow for field substitutions or accommodate misplaced Strong-Wall anchorage. The Strong-Wall WSWH high-strength wood shearwall...

#15285 Cover image
April 2023
Issue #15285
Page 108
Randy Daudet

Top Structural and Wood-Related Changes in the 2021 IRC, Part 2

Randy Daudet

In the last article, we described the primary structural and wood-related changes in the 2021 International Residential Code, Chapters 3 and 4. This article will continue with the primary changes to Chapters 5 through 8 of the IRC. Decks For the 2018 and the 2021 IRC, an informal group...

#15283 Cover image
February 2023
Issue #15283
Page 114
Simpson Strong-Tie Staff

Mechanical Anchors:  Screw vs. Expansion: Which is Right for Me?

Simpson Strong-Tie Staff

Not all post-installed mechanical anchors are created equal. There are key differences between screw and expansion anchor types — differences that include how they gain their holding strength, installation requirements, and overall anchor performance. In the following article, field...

#14281 Cover image
December 2022
Issue #14281
Page 124
Randy Shackelford, P.E.

Hurricane Andrew — a 30-Year-Old Learning Experience

Randy Shackelford

This August marked the 30th anniversary of the Florida landfall of Hurricane Andrew, one of the most damaging, and influential, hurricanes ever to hit the United States. Hurricane Andrew hit South Florida with Category 5 winds early on the morning of August 24, 1992. Andrew caused damages of $25...

#14279 Cover image
October 2022
Issue #14279
Page 122

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