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
“Analysis of RC Building Frame With and Without Masonry Infill Walls” Shripal Tiwari1, Prof. Anubhav Rai2 1M-Tech Student, Department of Civil Engineering & Gyan Ganga Inst. Of Tech. & Sciences Jabalpur M.P. India
2Professor and H.O.D. Department of Civil Engineering & Gyan Ganga Inst. Of Tech. & Sciences Jabalpur M.P. India
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Abstract - In countries like India where seismic activity is
make the infill more rigid. A composite construction made up of infill walls and a moment-resisting planar frame is referred to as a "infill frame".
widespread, reinforced concrete frames with masonry infill walls are a popular technique. In structural analysis, brick walls are usually considered non-structural elements; only their mass fraction is considered and their structural properties such as strength and stiffness are usually ignored. Structures in seismically active areas are very susceptible to severe damage. In addition to bearing capacity, the structure must withstand lateral loads, which can cause significant stresses. Reinforced concrete frames are the most used building materials in the world today. The frames of a framed structure are often filled with rigid materials such as brick or concrete block, usually to form an envelope. In this research paper, we analyze the structure of a G+23-story rectangular 32mx24 base multi-story building with each floor height of 3.2m and various parameters such as slab thickness of 150mm, masonry infill support panel height of 390mm and width of 230mm, external column size 600 mm x 700 mm, internal column size 500 x 600 mm, beam size 500 x 700 mm, with IS code. The four analyzed models, such as Model-I without infill wall structure, Model-II and Model-III are masonry infill walls due to the use of corresponding diagonal support panels such as eccentric rear and eccentric front type, while Model IV diagonal or X -type masonry infill the walls use support panel. In this research, RCC frame structure with and without infill wall is analyzed using Etabs 2021 software and parameters such as seismic zone V, average soil condition, response reduction factor 5, significance factor 1.5 for major building etc. IS-1983. and run four models using the corresponding spectral method with Etabs 2021 software Sum all results in the layer displacement period.
Masonry walls are used to create segregation and/or seclusion in the majority of reinforced concrete frame buildings. Since the infill wall is thought to be load-free in conventional practice, its involvement in the analysis and design of the structure is disregarded, and the infill's selfweight is taken into account when designing other structural components. On the other hand, very high initial lateral stiffness and poor ductility were seen in frames with MI walls. The lateral load transmission mechanism of the structure shifts from a dominating frame action to a dominant lattice effect when the frames are filled with brick walls. This causes the bending moments and axial forces in the frame members to diminish.
1.1 Objective of Work To investigate the structural analysis effects of G +23 layered structure with and without infill wall. To investigate the effect of masonry infill on the stiffness of the structure.
1.2 building Plan Configuration
Key Words: RCC Structure, Masonry infill, RCC frame, Seismic analysis, Seismic Zone, Soil Condition, Etabs Software.
1.INTRODUCTION This file serves as a template, Masonry infill panels are being used in the construction of many Indian structures for both utilitarian and architectural purposes. Masonry infill walls are often regarded as non-structural elements, and in practice—that is, when the building is intended for loading—their stiffness components are typically disregarded. But when lateral stresses are placed on the structure, infill walls often interact with the frame and also exhibit energy-dissipating qualities when subjected to seismic loads. When lateral loads are applied, masonry walls
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Impact Factor value: 8.226
Fig. 1.1 Plan
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