University of Tabriz Journal of Civil and Environmental Engineering 2008-7918 52 108 2022 11 22 Investigating the Pattern of Progressive Collapse in Double-Layer Dome Space Trusses Investigating the Pattern of Progressive Collapse in Double-Layer Dome Space Trusses 203 214 14343 10.22034/jcee.2022.37127.1881 FA Amin Gholizad Faculty of Civil Engineering, University of Mohaghegh Ardabili, Ardabil, Iran Vahid Akrami Faculty of Civil Engineering, University of Mohaghegh Ardabili, Ardabil, Iran Sanaz Kheirandish Faculty of Civil Engineering, University of Mohaghegh Ardabili, Ardabil, Iran Journal Article 2019 12 06 Space structures lack non-structural members adding to their stiffness and strength. Also, these structures have lower degree of redundancy, and therefore the loss of an important member in them can result in collapse of the entire structure. Progressive failure in dome structures has been investigated by various researchers (Jihong and Nian 2017; Zhao et al. 2017; Fu and Parke 2018; Gordini et al. 2018; Zheng and Fan 2018). The purpose of this study is to identify the behavior of two-layer dome structures against the occurrence of progressive failure and to determine the relevant failure patterns. The occurrence and pattern of progressive failure in the studied dome is investigated by eliminating the compressive and tensile members as well as the support structures. Space structures lack non-structural members adding to their stiffness and strength. Also, these structures have lower degree of redundancy, and therefore the loss of an important member in them can result in collapse of the entire structure. Progressive failure in dome structures has been investigated by various researchers (Jihong and Nian 2017; Zhao et al. 2017; Fu and Parke 2018; Gordini et al. 2018; Zheng and Fan 2018). The purpose of this study is to identify the behavior of two-layer dome structures against the occurrence of progressive failure and to determine the relevant failure patterns. The occurrence and pattern of progressive failure in the studied dome is investigated by eliminating the compressive and tensile members as well as the support structures. https://ceej.tabrizu.ac.ir/article_14343_2f5890100f96809800295551a55b9195.pdf