Authors: Suraj Solanki, Pragya Pareek
DOI Link: https://doi.org/10.22214/ijraset.2023.48928
Certificate: View Certificate
This review paper involves the study of various aspects of analysis and design of multi storey residential building by using STAAD. Pro. Structural designing requires a detailed structural analysis on which the design of the structure is based. But it is not always possible to do in manual calculation hence the need for programming tools was found. For which several of power tools were formed, among which the most widely used one is STAAD. Keywords: Analysis, Design, STAAD PRO, Residential building, gravity load, shea
Infrastructure is the basic way to represent the level of development of a country, among which the major share is shared by the high raise buildings which are not possible without a structural designer.
As the world is transforming the high rise buildings are in a great demand which is to be fulfilled without sacrificing any of the three factors, cost, time and safety. Achieving this is not possible with manual calculation hence to counter this we need highly advanced ways of computation, which can allow you to calculate and analyses the structural variables like shear force, nodal displacement, bending moment etc.
The answer to such problems is Staad. Pro which provides a much faster approach to structural analysis and designing with chances of minimum errors.
There has been several research conducted comparing the results from Staad. Pro to the manually calculated results, which all support the use of Staad. Pro over manual the one. Staad. Pro is a much better way to analyses the complicated load combinations and is quite versatile .
II. BASICS OF MULTI STOREY BUILDING
The structural design of a building should ensure that the building can stand safely, operate without excessive deformation or movement that could lead to fatigue of structural elements, cracks or failure of fixtures, fittings or partitions, or failure. Inconvenience to occupants. It must take into account the movements and forces due to temperature, creep, cracks, and imposed loads. It must also verify that the design is nearly buildable within acceptable manufacturing tolerances of the materials. It must allow the architecture to function and the building services to adapt to the building functionally (ventilation, lighting, etc) . This project work is to analyze a Multi storeyed building for different load combinations using STAAD Pro software. Based on the analysis, the design of the structure is done mainly following IS specifications.
III. BASICS OF SYMMETRICAL BUILDING
In these types of buildings, reinforced concrete frames are provided in both principal directions to resist vertical loads and the vertical loads are transmitted to vertical framing system i.e., columns and Foundations. This type of system is effective in resisting both vertical & horizontal loads. The brick walls are to be regarded as non-load bearing filler walls only. This system is suitable for the multi-storied building which is also effective in resisting horizontal loads due to the earthquake. In this system the floor slabs, generally 100-150 mm thick with spans ranging from 3.0 m to 7.0 m. In certain earthquake prone areas, even single or double storey buildings are made framed structures for safety reasons. Also the single storey buildings of large storey heights (5.0m or more) , like electric substation etc. are made the framed structure as brick walls of large heights are slender and load carrying capacity of such walls reduces due to slenderness .
A. Asymmetric Buildings
Asymmetric buildings with centers of stiffness and strength being different from the center of floor mass, respond to earthquake excitation in coupled modes, producing both lateral and torsional motions. Such buildings as reported by many researches [4-8] are highly vulnerable due to the torsional response. The position of the stiffness and strength centers towards the floor mass center could highly affect the torsional response. The torsional provisions of codes are based on the assumption that the stiffness of the RC walls can be estimated with some degree of accuracy prior to strength allocation, and will not be affected by the subsequent strength assignment process.
B. Diagrid Building
The diagrid structural system can be defined as a diagonal members formed as a framework made by the intersection of different materials like metals, concrete or wooden beams which is used in the construction of buildings and roofs. Diagrid structures of the steel members are efficient in providing solution both in term of strength and stiffness. But nowadays a widespread application of diagrid is used in the large span and high rise buildings, particularly when they are complex geometries and curved shapes .
IV. PROBLEM IDENTIFICATION
Previous studies on the torsional behaviour of buildings focused mostly on single-storey shear configurations. Results and conclusions from these studies can be extended to multi-storey buildings only under two conditions:
1) The stiffness of the resisting elements from one storey to another must bear a constant ratio over the height of the building.
2) The centers of mass of the floors must lie on the same vertical line, i.e. building must be regular in elevation. These conclusions have influenced subsequent studies (Hejal and Chopra 1987), which have focused on the response of single story and multi-storey irregular building configurations that are regular in elevation.
The seismic behavior of these structural systems is reasonably understood and many simplified analysis techniques have been developed for use in design [10-15].
V. LITERATURE REVIEW
Planning, analysis and design of any multi-storey residential building will be very difficult, time consuming and uneconomical if it is done manually.So it can be concluded that software like STAAD.pro should be used in the analysis and designing of any multi storey building to save meet the high speed of work and to avoid tedious manual calculation as well as to ensure the safety and economy of the work. The analysis and design were done according to standard specifications using STAAD . Pro for static and dynamic loads. The dimensions of structural members are specified and the loads such as dead load, live load and wind load are applied. Deflection and shear tests are checked for beams, columns and slabs. The tests proved to be safe. Both theoretical and practical work has been done. Hence, I conclude that we can gain more knowledge in practical work when compared to theoretical work.
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Copyright © 2023 Suraj Solanki, Pragya Pareek. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Authors : Asst.Professor Pragya Pareek
Paper Id : IJRASET48928
Publish Date : 2023-01-31
ISSN : 2321-9653
Publisher Name : IJRASET
DOI Link : Click Here