Simplified numerical modelling of circular concrete-filled steel tubular stub columns

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	Simplified numerical modelling of circular concrete-filled steel tubular stub columns
	Katwal, U.1; Tao, Z.1; Hassan, M.K.1; Wang, W.D.2
	2017
会议日期	December 6, 2016 - December 9, 2016
会议地点	Perth, WA, Australia
关键词	3D modeling Mechanics Steel fibers Tubular steel structures Beam model Computationally efficient Concrete filled steel tubular columns Concrete-filled steel tubular Confined concrete FE-modelling Simplified modelling Threedimensional (3-d)
页码	223-230
英文摘要	Three-dimensional (3D) Finite Element (FE) modelling is widely used to analyse and predict the behaviour of Concrete-Filled Steel Tubular (CFST) columns, but such models are generally tedious and impractical for global analysis of frames. In contrast, Fibre Beam Element (FBE) models, which are computationally efficient, can achieve the balance between accuracy and simplicity and can be used for global structural analysis. But material models should be defined accurately in FBE models since the material models themselves have to account for the interaction between the steel tube and confined concrete in a CFST column. In this paper, such simplified material models are developed for circular CFST stub columns based on detailed FE modelling. The proposed material models are then utilised in FBE modelling of circular CFST stub columns in ABAQUS. The accuracy of the simplified modelling is verified by a wide range of experimental results, as well as 3D FE modelling. © 2017 Taylor & Francis Group, London.
会议录	Mechanics of Structures and Materials: Advancements and Challenges - Proceedings of the 24th Australasian Conference on the Mechanics of Structures and Materials, ACMSM24 2016
会议录出版者	CRC Press/Balkem
语种	英语
内容类型	会议论文
源URL	[http://ir.lut.edu.cn/handle/2XXMBERH/118113]
专题	土木工程学院
作者单位	1.Institute for Infrastructure Engineering, Western Sydney University, Penrith; NSW, Australia; 2.School of Civil Engineering, Lanzhou University of Technology, Lanzhou, China
推荐引用方式 GB/T 7714	Katwal, U.,Tao, Z.,Hassan, M.K.,et al. Simplified numerical modelling of circular concrete-filled steel tubular stub columns[C]. 见:. Perth, WA, Australia. December 6, 2016 - December 9, 2016.