Abstract
This paper presents a new approach for forming and erecting deployable metal domes. The approach is basically one where the whole structure is assembled initially at ground level in an essentially flat condition. By the use of appropriate post-tensioning, the space structure can be erected and shaped simultaneously. Based on previous studies on deployment principle and geometric models, this paper present an approach to investigate the appropriate way of post-tensioning for the shape formation and erection of the metal domes by means of finite element analyses. An example is given to illustrate the main steps in shape formation of the deployable metal domes, and the results of the example show that this new approach is reliable and feasible. Potentially, the procedure can offer economies over traditional methods of construction of such structures.
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