International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395-0056
Volume: 11 Issue: 03 | Mar 2024
p-ISSN: 2395-0072
www.irjet.net
Implementing P-Delta Analysis in RCC Column Design: A STAAD.Pro Approach Mr.Saurabh Vinayak Kamble1, Prof. V. P. Bhusare2, Prof. Y. R. Suryawanshi3 Jspm’s Imperial College of Engineering & Research Wagholi, Pune- 412207, Maharashtra, India. ---------------------------------------------------------------------------***-------------------------------------------------------------------------focus is on how non-linear elements of structural geometry Abstract - The P-delta effect, also known as the
geometric nonlinearity effect, emerges as a significant component in structural analysis, particularly in tall structures. This study looks into the effects of the P-delta effect on high-rise buildings, with a focus on linear static analysis performed without P-delta considerations. Employing STAAD.Using Pro software, several RCCframed edifices of varying heights are digitally drawn, and seismic loads are applied in compliance with IS1893(2016) criteria for Zone III. The analytical path is guided by the load combinations specified in IS456(2000). Following that, rigorous calculations are performed to determine bending moments and narrative displacements, comparing results obtained with and without factoring in the P-delta effect across all models. Furthermore, iterative experimentation is used to investigate approaches for improving hazardous structures by increasing their rigidity. This includes fine-tuning the building's cross-sectional properties to meet acceptable levels. Our findings highlight the need of acknowledging the P-delta effect, particularly for 5story and larger structures. Thus, buildings with altitudes equal to or more than 20m require careful consideration of the P-delta impact during the design process. However, our findings suggest that for structures up to 25 storeys, primary assessments are sufficient, eliminating the compelling need to consider the P-delta effect. Measures such as increasing structural rigidity by careful cross-sectional alterations or structural reinforcements are effective ways to assure adherence to safety procedures.
Index Terms – P-delta effect, RCC building design, Structural analysis, STAAD.Pro software, Linear static analysis, Geometric nonlinearity.
affect RCC structures under wind, seismic, and temperature loads. We strive to bridge the gap between theoretical and real-world design issues. We want to understand how structural shape, materials, and external pressures interact by carefully modeling, analyzing, and refining them. Our mission is to provide engineers and architects with practical assistance for designing safer, stronger structures that can withstand a variety of environmental conditions As we begin the implementation phase, we are fully aware of the scale and importance of our task. We're looking at RCC buildings of varying heights to ensure that our findings are applicable in the actual world. We anticipate hurdles, such as coping with diverse materials and construction methods, as well as changing environmental circumstances. However, we consider these problems as opportunities to learn and improve. By attacking issues head on, we seek to push the bounds of structural engineering. Our ultimate goal is to contribute to a society in which buildings are not just functional, but also robust and sustainable, prepared to meet whatever the future brings.
II. OBJECTIVES During this implementation phase, our goals focus around two key objectives. First, we want to validate the theoretical insights gained from the survey study by applying them to real-world structural design scenarios. Our goal with handson tests and analysis is to validate the practicality and applicability of the theoretical discoveries made during the survey stage. Second, we aim to transform this theoretical understanding into practical recommendations and guidelines for engineers and architects working on RCC building design. Our goal in giving practical demonstrations and case studies is to provide straightforward and useful insights that can be directly adopted in real-world scenarios, hence improving the safety and resilience of RCC structures.
In the next step of our P-delta analysis research, we transition from theory to practice, applying what we've learned to real-world structural engineering. We are putting the findings from our survey paper into action. Our primary
Furthermore, this phase of implementation will focus on specific practical aspects and real-world scenarios in which theoretical insights can be effectively used. This includes carrying out structural evaluations using software tools such as STAAD.Pro and RCDC to simulate real-world situations and assess the impact of geometric nonlinearity on RCC buildings. In addition, we will develop design principles and
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