James P. WackerEngineering Properties of Wood, Wood Based Materials and Structures
Research General Engineer
One Gifford Pinchot Drive
- Education &
- Organizations &
- Products &
- Lab Notes
- Investigating innovative inspection tools and techniques
- Smart bridge technologies to support long-term performance monitoring
- Design approaches for timber bridge structures
- University of Wisconsin-Madison, Bachelor Of Science Civil and Environmental Engineering ,
- Transportation Research Board, Friends Of The Committee General Structures Committee (AFF10), Field Testing and Nondestructive Testing Committee (AFF40), Low-Volume Roads Committee (AFB30) (2010 - Current)
- Forest Products Society (FPS), Member Midwest Section Served as Past Chair for FPS Midwest Section, Served on FPS Awards Committee (2005 - Current)
- State of Wisconsin, Registered Professional Engineer (2004 - Current)
- American Society of Civil Engineers - Structural Engineering Institute, Member Timber Bridge Technical Committee Served as Past Chair for Timber Bridge Technical Committee, Served as Past Chair of Bridges Technical Advisory Committee (2003 - Current)
- American Indian Science and Engineering Society, Member Served as Judge for Student Science Fair Competition (1992 - Current)
|Publication Year: 2018|
Highlight ID: 1309
|Laboratory Evaluation of Salvaged Bridge Girders from U.S. Route 66|
Timber bridges have been in-service for nearly nine decades along Southern California's Historic Route 66 National Trails Highway. Several untreated sawn timber stringers were recently salvaged and transported to the FPL for a laboratory investigatio ...
|Publication Year: 2017|
Highlight ID: 1285
|Assessing the ability of ground-penetrating radar to detect internal moisture and fungal decay|
Internal moisture and fungal decay are detected in structural bridge members using ground penetrating radar for faster evaluation of timber bridges. ...
Highlight ID: 1281
|Smart timber bridge on geo-synthetic reinforced soil abutments|
Forest Service researchers partnered in the construction and monitoring of an innovative bridge abutment system, developed to be lower cost and faster to construct with improved performance and durability as compared to other abutments. In addition, ...
|Publication Year: 2013|
Highlight ID: 433
|Keeping America's Historic Covered Bridges Safe for Vehicular Traffic|
The Forest Products Laboratory, in partnership with the Federal Highway Administration and the National Park Service is sponsoring a comprehensive research program on Historic Covered Timber Bridges in the United States. This national program's main ...
Highlight ID: 434
|Scientists Study True Longevity of Timber Highway Bridges|
Do timber bridges last longer than concrete or steel bridges in similar climates This national project aims to generate more reliable data about the true longevity of timber bridges in the U.S. and allows for more accurate life-cycle assessments in t ...
|Publication Year: 2011|
Highlight ID: 284
|America's Historic Covered Timber Bridges|
Covered wooden bridges proliferated in the United States in the mid-nineteenth century. Today an estimated 800 covered bridge structures remain as cherished links to the technological heritage of the United States. The through-truss designs vary from ...
|Publication Year: 2010|
Highlight ID: 170
|Centennial Edition, Wood Handbook—Wood as an Engineering Material|
The Wood Handbook—Wood as an Engineering Material serves as a primary reference document for a wide variety of users-from the general public through architects and design engineers who use wood in highly engineered structures. ...
|A New Approach to Bridge Inspection and Safety|
Unmanned aerial vehicle - Digital image correlation (UAV-DIC) System Forest Products Laboratory’s (FPL) researcher James Wacker with collaborators from the Department of Civil Environmental Engineering, South Dakota State University are working on a new approach to inspecting bridges that will...
|Salvaging an American Icon with Ground-Penetrating Radar|
Two Route 66 signs on the road at California Mojave desert highway – By AR Pictures Imagine being able to look straight into a wood beam and know its structural integrity. It’s almost like a super power, except its really just amazing science—science that Forest Products Laboratory (FPL...
The United States is facing an infrastructure crisis. According to the American Road & Transportation Builders Association, over 61,000 bridges in America are structurally deficient. Although expensive to maintain, particularly in these tough economic times, when these vital pieces of our transporta...