International Research Journal of Engineering and Technology (IRJET) e-ISSN: 2395-0056 Volume: 11 Issue: 07 | July 2024
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p-ISSN: 2395-0072
SEISMIC RESISTANCE SLAB: A TENSIONED APPROACH AND TRADITIONAL RCC. Mihir Dungria1, Kishan jayswal2, Aakash suthar3 1M.Tech Student, L.J. University, Ahmedabad
2Kishan Jayswal, Assistance Professor, Civil Engineering Department, L.J. University, Ahmedabad, India.
---------------------------------------------------------------------***--------------------------------------------------------------------R.C.C(Reinforced Cement Concrete) slab : Abstract – In today's rapidly evolving global landscape, the construction sector stands as a linchpin of economic growth. While high-rise buildings are esteemed symbols of modernity, traditional Reinforced Concrete (RCC) methods often prove cost-prohibitive. This study delves into the advantages of employing Post-Tensioning technology to enhance structural robustness, withstand lateral forces, and optimize financial outlay. Post-Tensioned constructions are renowned for their superior cost-efficiency and durability over RCC, minimizing steel and concrete usage while maximizing room clear spans. The research utilizes ETABS (Extended Three-Dimensional Analysis of Building Systems) to design a Post-Tensioned high-rise in compliance with Indian Standard design codes. A comprehensive comparative analysis is conducted for a G+25 floor asymmetrical plan, accounting for wind and seismic loads.
An RCC slab is crucial in construction projects such as buildings and bridges, providing a flat, horizontal surface for floors and roofs. It typically consists of concrete reinforced with steel rebars to enhance its tensile strength. Construction begins with setting up formwork to define the slab's shape and dimensions. Structural drawings guide the placement of steel reinforcement to resist bending and shear forces. Once the reinforcement is inspected and approved, concrete is poured into the formwork and compacted to remove voids and air pockets. Curing follows to ensure the concrete reaches its required strength. After curing, the formwork is removed, unveiling a strong and durable RCC slab capable of supporting designated loads and serving as a functional surface for the structure.
Key Words: P.T. slab, R.C. slab, E-tabs, Overturning Moments, Displacements along both x and z axes..
1.INTRODUCTION Buildings must be designed to withstand natural forces like earthquakes and wind to ensure structural integrity and safety. ETABS software is integral in this process, offering advanced tools for comprehensive analysis and design. For seismic analysis, ETABS employs Response Spectrum Analysis and Time History Analysis methods. These predict how buildings will react to various frequencies and durations of ground shaking, aligning with Indian Standard IS 1893 for earthquake resistance. Simultaneously, ETABS addresses wind effects through static and dynamic wind load analyses per IS 875 (Part 3). Static analysis calculates forces based on building geometry and exposure, assuming steady wind pressure. Dynamic analysis considers wind's fluctuating nature, assessing responses to varying speeds and gusts over time. By integrating these analyses, ETABS facilitates detailed 3D modeling of G+25 reinforced concrete buildings, applying loads to simulate responses and identify vulnerabilities. This approach ensures compliance with safety standards, optimizing design for structural resilience and cost efficiency.
PT(post tensioning ) slab:
A Post-Tensioned (PT) slab is crucial in construction projects such as buildings and bridges, providing a level, horizontal surface for floors and roofs. Unlike traditional RCC slabs, PT
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