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University of Idaho Barrel-Arch Roof Wins Outstanding Structural Engineering Award

Serial Information: Civil Engineering—ASCE, 1976, Vol. 46, Issue 6, Pg. 48-51


Document Type: Feature article

Abstract:

The world's longest span wood structure now covers the football stadium at the Univ. of Idaho in Moscow, Idaho. The trussed arch consists of an upper and lower wood deck connected by steel tube web members. The arch chords are made of laminated wood. Disassembled components of the half-arch were transported from the manufacturing plant in the form of laminated billets and steel tubing. As much work as possible was done in the factory where holes were predrilled in the billets for fastening the steel tubing to the wood billets. High accuracy was achieved with 2-ft (0.60-m) wide laminated-wood and steel truss modules. Details are given about the production of the billets from tree trunks with the use of a lathe-like device. Laminated wood seems to be the way of getting large lumber members. The design of the billets permits simple installation of heat ducts and acoustical panels on the stadium roof.

Subject Headings: Wood and wood products | Laminated materials | Wood structures | Trusses | Steel decks | Steel | Stadiums and sport facilities

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