Abstract
Steel-concrete composite constructions in Bangladesh are nowadays very popular owing to their advantages over conventional concrete and steel constructions. Concrete structures are massive and allot more seismic weight and less deflection whereas steel structures instruct more deflections and ductility to the structure, which is beneficial in resisting earthquake and wind forces. Composite construction combines the better properties of both steel and concrete along with lesser cost, speedy construction, fire protection etc. The objective of this study was to analysis and design ground floor plus 19 storied R.C.C, Steel and Composite (steel-concrete) multi-storied parking structure’s frame of same plan using ETABS 2013 software and compare their structural parameters with estimated cost for required material. All frames are designed for same gravity and dynamic loadings. The RCC deck-slab is used in steel and composite frame. Beam and column sections are made of RCC, steel or steel-concrete composite sections. The composite construction option provided about 25 % and 18% less cost when compared to RCC and steel structure, respectively. Comparative study concludes that the composite frames are best suited among all the three types of constructions in terms of material cost and benefit added with better structural behaviour.
Highlights
In this study, 3 separate ground plus 19 storied buildings of R.C.C., Steel and Steel-Concrete composite frame are designed by ETABS software and the design parameters are considered for relative comparison
It is observed that story displacement in Equivalent Static Analysis in X-direction is less for Steel frame as compared to Composite and R.C.C frame
Steel-concrete composite frame system and its components are described to provide a brief introduction to composite construction
Summary
3 separate ground plus 19 storied buildings of R.C.C., Steel and Steel-Concrete composite frame are designed by ETABS software and the design parameters are considered for relative comparison. The port is situated at the confluence of the Pashur River and the Mongla River. In Bangladesh most of the building structures fall under the category of low rise buildings For these structures reinforced concrete members are used widely because the construction becomes quite convenient and economical in nature. The objectives of this study to design a multi-storied car parking in this cyclone prone area include: to analyse and design G+19 storied R.C.C., Steel and Steel-Concrete composite buildings of same plan using ETABS 2013 software and to compare the structural parameters with the cost effectiveness of composite building over traditional reinforced concrete and steel structure
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