Assessing the Capacity of Three Types of Round-wood Connections

Thomas M. Gorman; David E. Kretschmann; Marshall Begel; Sara Fishwild; Richard Shilts; Timothy Nelson

Treesearch

Assessing the Capacity of Three Types of Round-wood Connections

Informally Refereed

Authors:

Thomas M. Gorman, David E. Kretschmann, Marshall Begel, Sara Fishwild, Richard Shilts, Timothy Nelson

Year:

2012

Type:

Full Proceedings

Station:

Forest Products Laboratory

Source:

In: WCTE, World Conference on timber Engineering, New Zealand, 15-19 July 2012 pp. 154-157; 2012.

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Download (PDF 2.74 MB): https://research.fs.usda.gov/download/treesearch/42246.pdf

Abstract

In the Western US, millions of acres of forestland have lost ecological integrity. These overstocked stands are at significant risk for disease and insect attack, and high risk for catastrophic wildfire. Finding alternative and higher value uses for material thinned from the forests can help pay for mechanical thinning. Three different types of connections for round wood members made of Douglas fir and Lodgepole pine were tested. Results showed that all three types of connections exceeded the anticipated design load. There were, however, significant differences between the ductility and deflection capacity.

Keywords

Round-Wood Connections, Structural Screws, Bolted Connection, Gussets, Fasteners, Thinnings

Citation

Gorman, Thomas M.; Kretschmann, David E.; Begel, Marshall; Fishwild, Sarah; Shilts, Richard; Nelson, Timothy C. 2012. Assessing the Capacity of Three Types of Round-wood Connections. In: WCTE, World Conference on timber Engineering, New Zealand, 15-19 July 2012 pp. 154-157; 2012.