Scott D. Coffman, P.E., SECB

Errors in Substituting Dead Load for Live Load in Wood Design

Scott Coffman

Introduction Custom kitchens, with high-end appliances, granite countertops, and central islands, are becoming more and more prevalent in the home market today. These products and finishes are heavy and the dead loads from the central islands and/or cabinets positioned along interior...

#10231 Cover image
October 2018
Issue #10231
Page 48

Still Using Lag Screws? Consider Self-Tapping Wood Screws Instead

Aram Khachadourian, P.E.

Lag screws are traditionally specified for many structural loads in wood construction. However, recent innovations in engineering for self-tapping wood screws have made them an increasingly popular, labor-saving alternative to lag screws. In the following, Aram Khachadourian, P.E., of Simpson...

#10231 Cover image
October 2018
Issue #10231
Page 108
Frank Woeste. P.E.

When Fashion Affects Structure—Floor Design Considerations for Preventing Tile and Stone Cracks

Frank Woeste

Two kinds of designers are involved in home construction—design professionals responsible for the structure and the interior-focused designers responsible for the final appearance. Although these roles can overlap, it is important for design professionals to be aware of in-service demands...

#10227 Cover image
June 2018
Issue #10227
Page 60
Paul McEntee, S.E.

Multi-Ply Beam Load Transfer

Paul McEntee

Larger beams are often built up out of smaller 2x or 1¾” members. This can be done for several different reasons: for the convenience of handling smaller members on the jobsite, or because solid 4x, 6x or glulam material is not readily available, or for reasons of cost. Engineered...

#10225 Cover image
April 2018
Issue #10225
Page 98
Paul McEntee, S.E.

What You Should Know About the New DGH Fire Wall Hanger Options

Paul McEntee

Does everyone do year-end performance reviews to discuss how you did on your project objectives and professional development goals? I love meeting with my team to recap all their amazing accomplishments for the past year, discussing long-term career plans and figuring out the steps we will take...

#10223 Cover image
February 2018
Issue #10223
Page 96
Shawn Overholtzer

What Building Professionals Need to Know About Construction Loading

Shawn Overholtzer

Understanding construction loading is important as it relates to the acceptable practices in terms of staging and storing construction materials prior to installation. What does “construction loading” mean? This term describes materials and people that are present during the course...

#10222 Cover image
January 2018
Issue #10222
Page 16

From Structural Plans to Truss Designs – Collaborative Effort or Review Nightmare?

Kelly Sias

In an ideal world, a building is envisioned and a structural engineer begins the structural design. When the decision to use roof trusses is made, a component manufacturer is promptly involved in the design process. Using the loads and design parameters from the structural engineer, the trusses...

#10222 Cover image
January 2018
Issue #10222
Page 94

Truss-to-Truss and Truss-to-Everything Else Connections

Kelly Sias

One of the questions I am asked most frequently is “Who is responsible for the truss-to-(fill in the blank) connection? One such example is the truss-to-wall connection. To answer this question, it helps to recognize there are two types of connections: a truss-to-truss connection and a...

#10221 Cover image
December 2017
Issue #10221
Page 90
Glenn Traylor

Can Staple Use Be Too Much of a Good Thing?

Glenn Traylor

With today’s complex profiles and configurations, many truss fabricators have been relying on staples to set assembly member contact and relationships. Stapling serves as a temporary means to insure tight joints and accurate locations. Often times, however, because of the ease of multiple...

#10219 Cover image
October 2017
Issue #10219
Page 34
Frank Woeste. P.E.

All Things Wood: The Pioneer of MSR Lumber

Frank Woeste

The knowledge we take for granted today on MSR lumber is due in large part to the pioneering work of Professor Robert Hoyle, P.E. In the early 1960s at Potlatch Forest, Inc., he conducted basic research on the relationship between stiffness and strength of lumber, paving the way for the MSR...

#10219 Cover image
October 2017
Issue #10219
Page 74

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