Feasibility and Optimization of Rigidified Inflatable Structures for Housing
Publication: Journal of Structural Engineering
Volume 129, Issue 11
Abstract
Rigidified inflatable structures (RIS), previously used and tested in space technology applications, are of potential interest to residential construction. RIS technology is examined and the case of a single, exterior wall subjected to wind and roof load is considered. A design approach for RIS technology in residential construction is presented. Models based on three different materials and three different loading conditions are analyzed and optimized. The optimization problem statement minimizes material volume subject to: permissible stresses, maximum allowable deflection, and minimum membrane thickness. Design criteria include yield stress, deflection, and buckling. Optimum range of membrane thicknesses and number of bays are determined for each load and material case. Practical issues involving manufacturing and packaging are considered as additional design considerations. Additional suggested research involving reinforcing membranes and cavity filling is discussed. The work presented makes a significant step in establishing the feasibility of RIS for housing applications.
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 129 • Issue 11 • November 2003
Pages: 1494 - 1502
Copyright
Copyright © 2003 American Society of Civil Engineers.
History
Received: Aug 6, 2002
Accepted: Dec 4, 2002
Published online: Oct 15, 2003
Published in print: Nov 2003
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