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Title: | OPTIMUM DESIGN OF R.C. SECTIONS AS PER IS: 456-1978 |
Authors: | Mishra, Ashok Kumar |
Keywords: | CIVIL ENGINEERING;OPTIMUM DESIGN;R.C. SECTIONS;CONCRETE UNIT COST RATIOS |
Issue Date: | 1981 |
Abstract: | Considerable research activity is currently in progress to tackle 'theproblem of minimising the time and cost in the design of the different structural elements defined by. various geometrical and material parameters for a particular, requirement ° This viewpoint 'is gaining many adherents as costs of materials and computations are increasing day by day. The present study is aimed at to facilitate the designer in selecting the optimum dimensions and area of roanforcemGnt for the R.C. rectangular and T-sections subjected to bending moment for different values of steel to concrete unit cost ratios. The limit state method of - design as per IS 456--1978 is used. Separate design tables and des gn-charts are also pro-pared for the design of R.C. rectangular and T-sections subjected to bending mom nt, shear forces 'torsion and a combination of these. To provide aid in calculating the deflection .of rectangular and T-sections, tables and charts are: "prepared,. which directly give the values of short term deflection ,and long term deflect--ion due to shrinkage and creep effects. The limiting values of span to depth ratios for the permissible. deflection are also given in tabular form. , In preparing the design tables and design charts, four grades of concrete, M15 ,Pi25 ,M30 and three grades of steel, Fe2509 Fe415, F500 are used. The design tables and charts in the present work are prepared on the basis of numerical 'results obtained by d; °._lop-ing seven different computer programs for optimal design and analysis of sections and running the same on central digital iv J V computdr facilityp DEC20509 locat ed in the Roorkoe University campus._ The. present study will facilitate the design of optimum rectangular and T=sections in the minimum time and effort. |
URI: | http://hdl.handle.net/123456789/8682 |
Other Identifiers: | M.Tech |
Research Supervisor/ Guide: | Agarwal, S. K. Prakash, A. |
metadata.dc.type: | M.Tech Dessertation |
Appears in Collections: | MASTERS' THESES (Civil Engg) |
Files in This Item:
File | Description | Size | Format | |
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CED176973.pdf | 27.16 MB | Adobe PDF | View/Open |
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