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Enhancing Static Resistance Efficiency of Steel Stud Wall Systems for Blast Design Using New Section Geometries
Faculty
Engineering
Year:
2021
Type of Publication:
ZU Hosted
Pages:
Authors:
Mahmoud Tolba Mohamed Tolba Nawar
Staff Zu Site
Abstract In Staff Site
Journal:
Structures Elsevier
Volume:
Keywords :
Enhancing Static Resistance Efficiency , Steel Stud
Abstract:
Steel Stud Wall Systems (SSWSs) have been attractive structural alternative due to its merits. This research is mainly focused on enhancing static resistance of SSWSs to resist moderate blast events. Resistance function is considered an important item of data in calculating dynamic response of a system using Single Degree of Freedom model. Resistance function can be obtained by quasi-static experimental loading. Or alternatively, using FE modelling for finding the non-linear static response of a system. This research shows how combinations of the various in-lack parameters can be arranged to maximize efficiency of the system for performance as blast proof structures. This is performed by analyzing different section geometries from traditional ones with aids of FE software (ABAQUS 16). The solution is under quasi-static loading and the obtained toughness is used to hold comparison between the new geometries and the traditional stud section. Two validation models followed by a comprehensive parametric study are performed to investigate back-to-back cold formed sections efficiency in comparison to traditional system from blast point of view. For this purpose, two new introduced factors Material Utilization Factor (M.U.F) and (EF) are used to relate the various design variables and outputs to the amount of material used in the sections. The paper shows how using the new sections and changing parameters may maximize the system efficiency to raise toughness and elastic load limit up to 3.94 times and 3.78 respectively from the traditional system. Finally, important conclusions are withdrawn about the efficiency of the new sections. Withdrawn conclusions are emphasizing that using back-to-back cold formed sections with a certain arrangement is much beneficious than traditional used sections.
Author Related Publications
Mahmoud Tolba Mohamed Tolba Nawar , "Numerical analysis of underground tunnels subjected to surface blast loads", Frattura ed Integrità Strutturale, 2021
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Mahmoud Tolba Mohamed Tolba Nawar , "Modeling and testing of laminated window systems under blast loading", (merican Society of Civil Engineers (ASCE, 2011
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Mahmoud Tolba Mohamed Tolba Nawar , "Modelling and analysis of two-way composite slabs", Elsevier Ltd, 2009
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Mahmoud Tolba Mohamed Tolba Nawar , "Modeling and Shock Tube Testing of Architectural Glazing Systems for Blast Resistance", American Society of Civil Engineers (ASCE, 2015
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Mahmoud Tolba Mohamed Tolba Nawar , "Modeling and testing of laminated curtain wall systems under blast loading", American Society of Civil Engineers (ASCE, 2013
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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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