Direct Displacement Based Design of RC Beams and Columns

Authors(2) :-Amal Burahni, Jisha P

Structural displacement is now recognized as a key parameter for structural and non-structural damage to a building during earthquake. The direct displacement based design (DDBD) which considers displacement as the primary design input promises to be a more rational design philosophy than conventional force based design (FBD) procedures. The DDBD is a non-iterative approach that aims to design buildings which would achieve a predefined performance level under the design seismic action. World over the DDBD has attracted considerable research into its implementation, practical advantages and shortcomings. However, in the Indian scenario, research in the field of DDBD is still in a nascent stage of development. In this paper, the direct displacement based design was applied for design of typical RC moment resisting frames of 4, 8 and 12-storey located in seismic zone III and compared with FBD in accordance with the Indian seismic code. The performance of the two methods were assessed by nonlinear time history analysis using seven spectrum compatible ground motions and it was found that frames designed using both the methods satisfied the desired performance levels. The direct displacement based design provides a complete design procedure and gives economical designs for low to medium rise frames; but for taller structures in lower seismic zones, the DDBD results were conservative.

Authors and Affiliations

Amal Burahni
P G student, Department of Civil Engineering, AWH Engineering College Calicut, APJ Abdul Kalam Technological University, Kerala, India
Jisha P
Assistant professor, Department of Civil Engineering, AWH Engineering College Calicut, APJ Abdul Kalam Technological University, Kerala, India

Force Based Design (FBD), Direct Displacement Based Design (DDBD), Base Shear, RCC Frame, SAP 2000.

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Publication Details

Published in : Volume 3 | Issue 2 | March-April 2017
Date of Publication : 2017-04-30
License:  This work is licensed under a Creative Commons Attribution 4.0 International License.
Page(s) : 775-779
Manuscript Number : IJSRSET1732201
Publisher : Technoscience Academy

Print ISSN : 2395-1990, Online ISSN : 2394-4099

Cite This Article :

Amal Burahni, Jisha P, " Direct Displacement Based Design of RC Beams and Columns, International Journal of Scientific Research in Science, Engineering and Technology(IJSRSET), Print ISSN : 2395-1990, Online ISSN : 2394-4099, Volume 3, Issue 2, pp.775-779 , March-April-2017.
Journal URL : http://ijsrset.com/IJSRSET1732201

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