ANALYSIS OF STEEL CASED-CONCRETE COMPOSITE COLUMNS USING UNIFIED DESIGN METODOLOGY | ||||
| The International Conference on Civil and Architecture Engineering | ||||
| Article 28, Volume 7, 7th International Conference on Civil and Architecture Engineering, May 2008, Page 69-86 PDF (743.09 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/iccae.2008.45507 | ||||
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| Authors | ||||
| E. S. Khalifa1; A. A. El-Abbasy2 | ||||
| 1E.S. Khalifa Associate Professor – Civil Eng. Dpt. – Higher Technological Institute. | ||||
| 2A.A. El-Abbasy Professor – Civil Eng. Dpt. – Higher Technological Institute. | ||||
| Abstract | ||||
| The use of steel cased-concrete composite columns and beam-column was widespread in the recent two decades. The utilization of steel cased-concrete composite columns and beam-column was developed to resume the column shutter and thus, reduce the time of construction. The major identification of this steel casedconcrete composite column is to create the concrete confinement and also, make the case tube more stiffened due to the existence of concrete inside the steel case. The composite eliminates the drawbacks of the two materials. The unified design methodology (UDM) was developed, first, for flexural members. This methodology is required for unifying the codes recommendations in simple and rational manner that dose not violates the fundamental principals is an essential requirement. This approach is also, acceptable for design of steel cased-concrete composite columns. The key concept is the definition of the strength reduction factor for concrete inside the case and steel case. The methodology of UDM, sections is divided into three categories while, the steel cased-concrete columns is compression controlled. In this paper, the application of the unified design methodology for steel caseconcrete composite column was performed on circular and square cross section. These circular and square sections are subjected to axial load with minimum eccentricity. The (UDM) proposed in this paper was compared with the experimental test results, recently found on literature. This methodology is compared with the Egyptian Code design philosophy which has first publication for the first time on ECP 203-2007. A parametric study was performed to study the major parameter affecting on the design of steel cased-concrete composite column and beam-column using (UDM). | ||||
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