Abstract
Plate-cone reticulated shell is a new type of spatial structures with good mechanical behavior, technical economy, and architectural appearance. In this paper, using ANSYS software, the strength failure analysis model of composite laminates is established in cooperation with the Strength Criterion of Hoffman. The effects of layer number, laying direction, and thickness of laminates on the ultimate strength of laminates are studied by detailed parametric analysis, which provides a theoretical basis for the design of composite plate-cone reticulated shell and GFRP laminated plates. Some important conclusions are obtained and can be applied to engineering practice.
Highlights
Plate-cone reticulated shell is an emerging spatial structure in recent years, which is developed based on Kaiser aluminum stressed-skin dome. e structure is assembled with cone elements and truss members, which are connected at the joints using bolts [1] as shown in Figures 1 and 2
Platecone reticulated shell is a special type stress-skin structures of half continuity and half lattice since ventral members of common doublelayer reticulated shell are replaced by cone elements. e cone plates can be made of conventional materials such as aluminum alloy, and steel or light composite materials such as carbon fiber reinforced polymer (CFRP) or glass fiber reinforced polymer (GFRP)
Because of the high strength-to-weight ratio, good technical and economic benefits, and distinctive architectural visual effect, the plate-cone reticulated shell has been widely used as a long-span spatial structure [2, 3]. e idea of plate-cone reticulated shell was originated from the Kaiser aluminum stressed-skin dome. e first Kaiser aluminum stressed-skin dome was built on the Hawaiian village of Honolulu, USA, in 1957 with a span of 44.2 m [4]
Summary
Plate-cone reticulated shell is an emerging spatial structure in recent years, which is developed based on Kaiser aluminum stressed-skin dome. e structure is assembled with cone elements and truss members, which are connected at the joints using bolts [1] as shown in Figures 1 and 2. Plate-cone reticulated shell is an emerging spatial structure in recent years, which is developed based on Kaiser aluminum stressed-skin dome. E idea of plate-cone reticulated shell was originated from the Kaiser aluminum stressed-skin dome. Xiong et al [7] investigated the elasto-plastic stability of single-layer latticed shells with aluminum alloy gusset joints. Xie and Li [9] studied the natural vibration characteristics of an aluminum alloy double-layer reticulated shell with various structural dimensions. It is necessary to investigate the behavior and strength of the composite plate-cone reticulated shell with FRP laminates. In this paper, based on the composite mechanics and the theory of plate and shell, the elastic stress in the principal direction of single-layer plate of plate-cone reticulated shell is calculated by using finite element analysis. In this paper, based on the composite mechanics and the theory of plate and shell, the elastic stress in the principal direction of single-layer plate of plate-cone reticulated shell is calculated by using finite element analysis. en, the ultimate strength of each layer under each load step is obtained by the Strength Criterion of Hoffman, and the failure load of the first failed layer of laminated plate (defined as the first layer strength) and the failure load of the last failed layer (defined as the last layer strength) are obtained and evaluated. e strength and main influencing factors of composite laminates are studied comprehensively and deeply which provides theoretical foundation for the design of composite plate-cone reticulated shells with laminated plates
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