Three-dimensional dynamic interaction analysis for angle connector in self-centering SRC for sports facility impact resistance through computational methods
Linxi Zhou,Siyuan Yang,Khidhair Jasim Mohammed,Meldi Suhatril,Ibrahim Albaijan5,Rania M. Ghoniem,H. Elhosiny Ali,Hamid A. Zadeh,José Escorcia-Gutierrez
Abstract
Steel-Reinforced Concrete (SRC) panels with self-centering capability are increasingly applied in sports facility structures to withstand dynamic impacts; however, the interaction behavior of angle shear connectors under three-dimensional dynamic loading remains insufficiently explored, limiting optimization for impact resistance. This study analyses the dynamic 3D response of angle shear connector SRC panel systems under drop-weight impact, introducing a novel integration of self centering design into computational interaction modelling for sports facility applications. A detailed Finite Element (FE) model was developed incorporating nonlinear temperature-dependent material properties, explicit contact definitions, and realistic dynamic loading scenarios. Input parameters included panel geometry, connector dimensions, and impact velocity; outputs comprised displacement histories, connector stress distribution, and energy dissipation characteristics. Results show that self centering panels reduced residual displacement by 42 58% compared to conventional designs, with self-centering efficiencies (Ψₛ) consistently above 0.55 and reaching 0.82 under low-energy impacts. Connector stress utilization remained within ductile limits, peaking at 0.95 in the most severe cases without brittle fracture. Larger connectors decreased peak deflection by up to 12 % but increased local concrete bearing stresses by ~15 %. Elevated temperature exposure (Θ = 550 °C) reduced yield strength by 22 29 %, increasing peak displacement by 6 9 % and slightly lowering Ψₛ. Energy dissipation accounted for 58 65 % of initial kinetic energy, with 35 45 % from steel plasticity, 25 35 % from concrete damage, and the remainder from frictional slip. Boundary restraint stiffness had a more substantial influence on
Linxi Zhou — Chongqing Vocational Institute of Engineering, Chongqing, 402260, China
Siyuan Yang — Mingcheng Yucai School, Jiulongpo District, Chongqing, 400050, China
Khidhair Jasim Mohammed — Mechanical Power Technical Engineering Department, College of Engineering Technologies, Al Mustaqbal University, 51001, Hilla, Babylon, Iraq
Meldi Suhatril — Department of Civil Engineering, Faculty of Engineering, University of Malaya, 50603, Kuala Lumpur, Malaysia Ibrahim Albaijan:Mechanical Engineering Department, College of Engineering at Alkharj, Prince Sattam Bin Abdulaziz University, Al-Kharj 16273, Saudi Arabia
Rania M. Ghoniem — Department of Information Technology, College of Computer and Information Sciences, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riadh 11671, Saudi Arabia
H. Elhosiny Ali — Department of Physics, Faculty of Science, King Khalid University, P.O. Box 9004, Abha 61413, Saudi Arabia
Hamid A. Zadeh — 1)Institute of Research and Development, Duy Tan University, Da Nang, Vietnam 2)School of Engineering & Technology, Duy Tan University, Da Nang, Vietnam Jos é Escorcia-Gutierrez:Department of Computational Science and Electronics, Universidad de la Costa, CUC, Barranquilla, 080002, Colombia
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