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The Feasibility of CFRP Cables in Long Span Temporary Tensile Membrane Structures

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Title:The Feasibility of CFRP Cables in Long Span Temporary Tensile Membrane Structures
Authors:Ritter, Rollin M.
Contributors:Rockwood, David (advisor)
Shen, Lin (advisor)
Architecture (department)
Keywords:Architectural engineering
Cable Net
Carbon Fiber
show 3 moreCFRP Cables
Emergency Shelter
Temporary Shelter
show less
Date Issued:2019
Publisher:University of Hawai'i at Manoa
Abstract:Carbon Fiber Reinforced Polymer (CFRP) cables have the potential to replace steel in orthogonally loaded tensile membrane structures. Tensile membrane typologies are used in place of traditional compressive structures because of their efficient material use, light weight, mobility, and ability to span long distance without support columns. CFRP cables have the qualities required amplify all of these advantages even further. CFRP cables have been proposed and tested to replace steel because they are five times lighter, twice as strong, resistant to atmospheric degradation, and fatigue at half the rate of steel. These cables are not only lighter than steel, but they require less material to achieve the same ultimate strength. This makes CFRP a better solution for mobile tensile structures to create lightweight, long span structures that are readily mobile. Despite the promise of this material, there are still a number of construction and material problems that must be addressed such as the high cost, wind loads, and low sheer strength of CFRP. This study will evaluate the feasibility of CFRP cables replacing steel based on span capabilities, economic feasibility, and constructability for temporary tensile membrane structures. This criteria will be applied to CFRP Cables in one way cable beam and two way cable net structures. I will make a case that CFRP cables are a better option that steel at a comparable price based on a design system for a long span mobile disaster relief shelter.
Description:Arch.D. Thesis. University of Hawaiʻi at Mānoa 2019
Pages/Duration:144 pages
Rights:All UHM dissertations and theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission from the copyright owner.
Appears in Collections: D.ARCH. - Architecture

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