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Assessment of Rotational Stiffness for Metallic Hinged Base Plates under Axial Loads and Moments
Faculty
Engineering
Year:
2021
Type of Publication:
ZU Hosted
Pages:
Authors:
Mahmoud Tolba Mohamed Tolba Nawar
Staff Zu Site
Abstract In Staff Site
Journal:
Buildings MDPI
Volume:
Keywords :
Assessment , Rotational Stiffness , Metallic Hinged Base
Abstract:
Pinned base plate connections are the most common base connection used in low‐rise steel buildings. In this research, an extensive parametric study is performed using the Finite Element (FE) software Abaqus to determine the elastic rotational stiffness, moment resistance, and energy absorption of the pinned base plate connection connected to a reinforced concrete footing and subjected to an eccentric axial load. The developed FE model is validated using experimental results from the literature. Moreover, an intensive parametric study is conducted to understand the behavior of these connections better. The investigated parameters include the base plate thickness, anchor bolt diameter, and arrangement and number of bolts. The most effective parameters that affect the elastic rotational stiffness and moment resistance of pinned base connections are the anchor bolt arrangement and diameter. The maximum increase in the rotational stiffness was 53% for the anchor bolt diameter of 30 mm when the base plate thickness increased from 12 mm to 30 mm. Based on the base plate thickness, the moment resistance is improved by 150–260% when the bolt diameter increases from 12 mm to 30 mm.
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Department Related Publications
Eshak Ibrahiem Eshak Hana, "Effect of Temperature Variation on Bridges due to Locking of Movable Bearings and Expansion Joints", 1st Eng. Conference, Engineering Between Theory and Practice, Assuit Univ., Faculty of Eng., Egypt, 7-8 May 2007., 2007
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Eshak Ibrahiem Eshak Hana, "An Iterative Procedure for Elastic Stability of Thin Plates", Cairo University, 1981
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Eshak Ibrahiem Eshak Hana, "Computer Aided Limit-State Design of Core Structures Subjected to Axial Load, Biaxial Bending and Torsional Moments", Proceedings of the 4th Arab Structural Eng. Conference, Vol.3, Cairo Univ., Nov. 1991., 1991
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Eshak Ibrahiem Eshak Hana, "A Technical Report on the Use of Concrete Hinged Bearings in Bridge Construction", Bridge Engineering Conference 2000, Vol.1, Sharm El-Sheikh, Sinai, Egypt, 2000
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Tharwat Ali Mohamed Sakr, "The Application of Genetic Algorithm To The Optimization Of Outrigger Braced High Rise Buildings", لايوجد, 1900
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