All Things Wood: Impact of Specific Gravity on Wood-to-Wood Connections Frank Woeste Specific gravity (G) is a measure of wood density affected by the specific species or species combination of the commercial grade, growth region, and grading rules. It is the single most important lumber property for the strength of mechanical fasteners, such as nails and screws used in... Read More October 2024 Issue #16303 Page 80
2024 IBC Significant Structural Changes — Wood John 'Buddy' Showalter, PE and Sandra Hyde, PE This article appears in the May 2024 issue of STRUCTURE Magazine as Part 7 of 9. Reprinted with permission. This multi-part series discusses significant structural changes to the 2024 International Building Code (IBC) by the International Code Council (ICC). This article includes an overview... Read More October 2024 Issue #16303 Page 110
Meeting Industry Need with the HTTH6.5: The Next Evolution in Holdown Solutions Joe Polder At Simpson Strong-Tie, we continually look for ways to improve our offerings for the building industry. During one of our periodic product line reviews, we realized there was a void to be filled in our holdown line for residential construction. Over the last decade, we’ve made strides... Read More October 2024 Issue #16303 Page 130
Are You Interpreting Member-to-Member Gaps Correctly? Glenn Traylor In a recent discussion with several very well-informed industry folks, it became clear to us that interpretation of member-to-member gaps may not be clear. In particular, we need to take a closer look at Chapter 3 Quality Criteria for the Manufacture of Metal-Plate-Connected Wood Trusses of... Read More September 2024 Issue #16302 Page 35
2024 IBC Significant Structural Changes — Loads John 'Buddy' Showalter, PE and Sandra Hyde, PE This article appears in the April 2024 issue of STRUCTURE Magazine as Part 6 of 9. Reprinted with permission. This multi-part series discusses significant structural changes to the 2024 International Building Code (IBC) by the International Code Council (ICC). This article includes... Read More August 2024 Issue #16301 Page 100
New to the IRC 2024 Sec. R502.11 MiTek Staff The 2024 International Residential Code (IRC) is available. One addition to the new residential code deals with the wood framing around stair openings. This addition was submitted as part of a code change proposal by the Stairbuilders and Manufacturers Association (SMA) based on the work and... Read More August 2024 Issue #16301 Page 110
Am I Allowed to Move a Truss If There are Obstructions? MiTek Staff Typically, trusses are spaced evenly. The spacing shown on MiTek engineering drawings is a tributary area carried by the trusses. Each truss is designed to support one-half of the roof/floor load on each side. The spacing between the trusses may be of any combination if the tributary area does... Read More July 2024 Issue #16300 Page 106
Allowable Load Tables at Your Service — A Look at the Technical Engineering Bulletin (TEB) for Anchors Chris Johnson One interesting part of being a field engineer for Simpson Strong-Tie is having the opportunity to see how different structural engineers may take different approaches to similar designs. We at Simpson Strong-Tie have come to appreciate these different approaches and embrace this phenomenon by... Read More July 2024 Issue #16300 Page 114
Proper Loading for Solar Panels MiTek Staff As the “Green” movement progresses and energy prices go increasingly higher, more and more homeowners and commercial developers are looking to utilize photovoltaic panels (solar panels) to help get them “off the grid.” It may seem that designing for solar panels is as... Read More June 2024 Issue #16299 Page 108
How Do You Determine Fabrication Tolerances During Design? Glenn Traylor How does a component manufacturer determine what fabrication tolerances should be used during truss design? To answer that question, we first need to clarify what is meant by “fabrication tolerance.” Per ANSI/TPI 1–2014, the guidance is 3.3.2 Fabrication Tolerance. All... Read More May 2024 Issue #16298 Page 35