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Author

Shangrong Cai

Document Type

Thesis - University Access Only

Award Date

1993

Degree Name

Master of Science (MS)

Department

Agricultural Engineering

First Advisor

Gary Arlen Anderson

Abstract

An investigation of the strength and stiffness of ProPanel II sheeting on lumber frames when used as roof or wall diaphragms is presented. The sheets were fastened with screws. Twenty-one(21) diaphragms were tested as cantilevers with the shearing load introduced at one corner. Each diaphragm except series 6 was loaded to failure twice. The first failure was a bending moment failure. The second failure was shear failure, shear failure generally occurs at higher load than bending failure. Diaphragm design and a summary of measured strength and stiffness values are given in Table 1, 2, 4 and 8. The tests on standard scale diaphragms which modeled six(6) roof sections and a wall section were performed and test results are presented. The effect of the parameters on design capacity and stiffness of Pro-Panel II diaphragms are also discussied [sic]. The frame spacing has little effect on the design capacity. The shear connectors increase the design capacity and the shear stiffness. The purlin hangers without reinforcement can not be used when diaphragm action is relied upon to carry building loads. The sheet-purlin fastener being left out towards the middle of the sheet has a strong effect on the shear stiffness.

Library of Congress Subject Headings

Diaphragms (Structural engineering) -- Design and construction
Diaphragms (Structural engineering) -- Testing

Format

application/pdf

Publisher

South Dakota State University

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