Preliminary Design Considerations for Flat Deployable Structures

by Robert D. Logcher, MIT, United States,
Jerome J. Connor, MIT, United States,
Yechiel Rosenfeld, MIT, United States,
Charis J. Gantes, MIT, United States,

Document Type: Proceeding Paper

Part of: Steel Structures


Deployable structures are prefabricated frames that can be stored in a compact configuration, and can be easily deployed into a large-span, load-bearing space structure. The interest in their design and construction is due to their rapid deployment and their potential for being moved. This paper investigates a new concept of self stabilized deployable structures featuring stable, stress-free states in both deployed and collapsed configuration. The design of these structures consists of two parts: First, geometrical design in order to achieve deployability. Second, structural design, involving both the behavior during deployment and the behavior in the deployed configuration. The nature of the structural behavior in these two phases is illustrated and the influence of various parameters is examined. The conclusions are summarized in appropriate design graphs.

Subject Headings: Structural behavior | Steel structures | Steel frames | Construction methods | Steel construction | Space frames | Load bearing capacity | Space structures

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