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OverviewUnder Space Act Agreement 1347 between NASA and Technova Corporation, Technova designed and fabricated two carbon-epoxy crippling specimens and NASA loaded them to failure in axial compression. Each specimen contained a pultruded rod stiffener which was held to the specimen skin with through-the-thickness stitches. One of these specimens was designed to be nominally the same as pultruded rod stitched specimens fabricated by Boeing under previous programs. In the other specimen, the rod was prestressed in a Technova manufacturing process to increase its ability to carrying compressive loading. Experimental results demonstrated that the specimen without prestressing carried approximately the same load as the similar Boeing specimens and that the specimen with prestressing carried significantly more load than the specimen without prestressing. Jegley, Dawn C. Langley Research Center NASA/TM-2013-218049, L-20331, NF1676L-17471 Full Product DetailsAuthor: National Aeronautics and Space Adm NasaPublisher: Independently Published Imprint: Independently Published Dimensions: Width: 21.60cm , Height: 0.20cm , Length: 27.90cm Weight: 0.113kg ISBN: 9781794402157ISBN 10: 1794402152 Pages: 38 Publication Date: 22 January 2019 Audience: General/trade , General Format: Paperback Publisher's Status: Active Availability: Available To Order ![]() We have confirmation that this item is in stock with the supplier. It will be ordered in for you and dispatched immediately. Table of ContentsReviewsAuthor InformationTab Content 6Author Website:Countries AvailableAll regions |