Glenn Traylor

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...

#16302 Cover image
September 2024
Issue #16302
Page 35
MiTek Staff

Allowable Plate Embedment Tolerance

MiTek Staff

Oftentimes, MiTek engineers are asked what plate embedment tolerance is allowed for metal connector plates in wood trusses. Chapter 3 of the ANSI/TPI 1 (National Design Standard for Metal Plate Connected Wood Truss Construction) addresses the tolerance for metal connector plate tooth...

#16302 Cover image
September 2024
Issue #16302
Page 114
MiTek Staff

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...

#16300 Cover image
July 2024
Issue #16300
Page 106
Glenn Traylor

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...

#16298 Cover image
May 2024
Issue #16298
Page 35
Glenn Traylor

Do You Know the Frequent Non-Compliance Issue That’s “Easy” to Fix?

Glenn Traylor

The photo shows a 2 x 4 truss with an ANSI/TPI 1 non-compliance issue. This is something that never should have happened! Can you spot the problem? [For photo, See PDF or View in Full Issue.] If you shouted, “a missing connector,” then give yourself a gold star! As I was ranking...

#16297 Cover image
April 2024
Issue #16297
Page 35
Frank Woeste. P.E.

All Things Wood: Substantial Wood Truss Content at Virginia Tech Course

Frank Woeste

Sponsored by the Virginia Tech Continuing and Professional Education program, a three-day program on light-frame and mass timber construction design topics will be offered on May 14–16, 2024 in Blacksburg, VA. Joining me as instructors this year are Scott D. Coffman, PE, John Holland, MBA,...

#16296 Cover image
March 2024
Issue #16296
Page 64
Glenn Traylor

Do Your Floor Truss Chord Splices Meet Your Design Requirements?

Glenn Traylor

It seems like a simple thing—connect lumber together with connectors creating a top or bottom chord for your floor trusses that exceed your lumber length inventory. It’s one of the simplest applications of metal connector plates. But, while the task seems obvious, there are several...

#15293 Cover image
December 2023
Issue #15293
Page 31
Glenn Traylor

How Do I Maintain Lumber Grade Qualifications When I Cut Off the Grade Stamp?

Glenn Traylor

The past twenty years have brought many changes to the Metal Plate Connected Wood Truss Industry. These changes require manufacturing to change too, as the entire process continues to evolve and mature. Here is one situation where changes in manufacturing are necessary. Not too long ago,...

#15291 Cover image
October 2023
Issue #15291
Page 35
MiTek Staff

Wood Member-To-Wood Member Gaps

MiTek Staff

MiTek engineers are often asked what maximum gaps are allowed for wood member-to-wood member in metal-plate-connected wood trusses. Gaps between wood members are addressed in Chapter 3 Quality Criteria for the Manufacture of Metal-Plate-Connected Wood Trusses of the ANSI/TPI 1-2014 (National...

#15291 Cover image
October 2023
Issue #15291
Page 113
Glenn Traylor

How Can We Understand Quality?

Glenn Traylor

How can we understand quality? September brings your chance to find out! At BCMC in Columbus last year, our Timber Products Inspection booth gave all attendees the chance to test their skills and acumen for Quality Assurance. This year at BCMC in Indianapolis, we’re holding the competition...

#15290 Cover image
September 2023
Issue #15290
Page 33
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