Abstract
Reinforced Concrete (RC) is a widely used composite material in construction. It is composed of concrete with high compressive strength and steel bars and stirrups of high tensile strength placed longitudinally and transversely, complementing each other in overcoming their weaknesses. Corrosion of steel reinforcement and cement sustainability are two main persistent issues creating great difficulty in the entire construction industry across the globe. Sincere efforts were also made to replace ordinary Portland cement with geopolymer cement, and steel reinforcements with fiber reinforcement for more than two decades. Different combinations were tried in using them for beams, slabs, columns, and combinations of the above. Though researchers have shown many leads in the research, no concrete proofs were made about the better combinations and the structural code for common usage. In this paper, available literature were reviewed in detail and summarized. A study was carried out for the intended purpose to identify focus areas for further research, and it is listed.
Highlights
Reinforced Concrete (RC) is an extensively used composite material in the construction of buildings, roads, bridges, retaining walls, and underground structures
They found that overall behaviors are analogous, and GPC reinforced with Glass Fibre Reinforced Polymer (GFRP) has adequate compressive, tensile and bond strength similar that of ordinary Portland cement reinforced with glass fiber polymer
The above review of research related to geopolymer concrete, glass fiber reinforcement polymer usage to cast columns and beams that prevent the impact of stringent environment and enable easy serviceability
Summary
Reinforced Concrete (RC) is an extensively used composite material in the construction of buildings, roads, bridges, retaining walls, and underground structures. It is composed of concrete with high compressive strength and steel bars and stirrups of high tensile strength placed longitudinally and transversely, supporting each other to overcome their weaknesses. In multi-story buildings, columns and beams provide lateral structural stability by beams carrying the external transverse loads from the floors and roofs and transfer these loads to columns by bending and shear actions. The deformations improve the bending, shear, and torsion resisting mechanisms of RC members and control the width of the cracks by reducing the slip of the reinforcement relative to concrete. Other well-known factors such as lack of tensile strength, process flaws during the production of concrete, and lack of attention during construction, heavier, and non-environment friendly are conventionally considered as disadvantages of using RC members
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