Effects of support positioning on thermal behaviour of double layer space truss domes

This paper presents the follow-up of a study on the influence of the type and properties of support conditions on the thermal behaviour of spherical double layer space truss roofs. The earlier papers were about the effects of support flexibilities on the behaviour of space trusses subjected to uniform, gradient and partial loadings. In this paper, the effects of columns’ spacing and positioning on the thermal behaviour of space structures are considered. These parameters are defined by the distance between two opposite columns (radial distance), and the space between two adjacent columns (circumferential distance).