Numerical analysis on Pre-Stressed Steel I-Beams
Hazem Samih Mohamed

Dr. Hazem Samih Mohamed, School of Civil Engineering and Mechanics, Huazhong University of Science and Technology, Wuhan, Hubei, P.R. China 430074; Hubei Key Laboratory of Control Structure, Huazhong University of Science and Technology, Wuhan, Hubei, PR China.
Manuscript received on 13 April 2017 | Revised Manuscript received on 20 April 2017 | Manuscript Published on 30 April 2017 | PP: 53-57 | Volume-6 Issue-4, April 2017 | Retrieval Number: D4900046417/17©BEIESP
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Abstract: Pre-stressing with external tendon is one of the most efficient techniques for rehabilitation of existing structures, strengthening of steel structures, controlling the structure deflection and reduction of the construction cost. This paper consisting of a parametric study to investigate the effect of several parameters on the structure behavior. The key variables examined were the number of deviator, eccentricity of the external tendon, pre-stressing technique. ANSYS software has been used to analyze and simulate the process of applying the pre-stressing force and the structure loads. Geometrical imperfections and buckling modes of the unloaded beam are taken into consideration as an initial condition. The results show that these variables impose additional challenges on the accurate prediction of pre-stressed steel structures performance during its service life.
Keywords: Tendon; External Pre-Stressing; ANSYS; Steel I-Beam; Deviator

Scope of the Article: Reliability Analysis