EXPERIMENTAL STUDY ON BEHAVIOUR OF BASALT FIBER REINFORCED CONCRETE FILLED STAINLESS STEEL TUBE AND MILD STEEL TUBE

civil engineering

Concrete Filled Steel Hollow Section (CFSHS) Columns can carry important loads and therefore they are extensively used in the construction of high-rise buildings. Steel-concrete composite (SCC) columns have widely been applied in modern construction industry owing to the composite action between the concrete and the steel. Composite columns are structural members which are subjected mainly to axial compressive forces and end moments. CFST columns are type of composite column. This type of columns can offer many advantages like high strength, ductility and large energy absorption capacity with possible use of simple standardized connections. This paper is based on the experimental study of slender steel tubular columns of circular sections filled with reinforced concrete and partial replacement of cement by basalt fiber. The detail study about the nature and properties of the materials by various tests and the mix proportion is designed in phase I. As the continuation in phase II standard specimens will be casted and cured for 28 days to get the compressive strength, flexural strength and split tensile strength. Then the final result is evaluated by comparing the above strengths of basalt fiber reinforced concrete filled stainless steel tube column and mild steel tube column.

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