Author : J. Dobbin McNatt
Release : 1983
Genre : Girders
Kind : eBook
Book Rating : /5 ( reviews)

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Book Synopsis Long-term Load Performance of Hardboard I-beams by : J. Dobbin McNatt

Download or read book Long-term Load Performance of Hardboard I-beams written by J. Dobbin McNatt. This book was released on 1983. Available in PDF, EPUB and Kindle. Book excerpt: Built-up I-beams with hardboard shear webs and laminated-veneer lumber flanges exhibited satisfactory performance when subjected to constant loads for up to 5 years in interior, protected exterior, and controlled cyclic humidity environments. Creep deflection was greatest for beams in the cyclic humidity environment and least for those in the interior environment. For beams loaded at the same stress level in a given environment, deflection was greater for beams made with web material having the lower shear stiffness. Except for 6-foot beams in the cyclic humidity environment, static tests on beams after long-term loading did not reveal any loss in strength or stiffness. (Author).