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Studies in Prestressed and Segmented Brittle Structures
IIT RESEARCH INST CHICAGO IL
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A nonlinear theory describing the response of rectangular pre- stressed segmented beams is verified experimentally. The applicability of the theory is extended to beam-columns and to I-beams with multiple tendons. The methods of limit analysis are used to predict the ultimate load carrying capacity of prestressed and segmented beams and plates. A statistical hypothesis is developed and verified for scaling the behavior of different height nonflat segmented columns. Finally, the feasibility of prestressing cylindrical and ogive shells is investigated and evidence is obtained which demonstrates the practicality of over winding as a prestressing technique.
APPROVED FOR PUBLIC RELEASE