Analysis and Design of Diagrid Structure – A Review
Author(s):
Saeedanwar Salim Inamdar, Saad H. Kasab
Keywords:
High rise building, Seismic analysis, Steel Diagrid, Stiffness based design, IS: 800- 2007.
Abstract
As the height of building increases lateral loads goes on increasing and become more effective than gravitational loads. Diagrid structural system is widely used due its structural efficiency and aesthetic potential due to its unique geometric configuration. Experimental analysis using finite element approach of high rise building with different Diagrid angles is done to obtain most efficient angle of steel Diagrid structure. Analysis and design of high rise building with varying number of storey and comparison of analysis results in terms of time period, top storey displacement and inter-storey drift is presented. Seismic analysis of high rise building with steel Diagrid system with uniform and varying angles of Diagrid is done and found safe. For 40, 50, 60, 70 and 80 story high structure with aspect ratio ranging from 4.3 to 8.7. For 40, 50 and 60 story structures uniform diagonal angle 63°. For 70 and 80 story structures uniform diagonal angle 69°. Hence this is concluded that as height increases aspect ratio increases which tends to increase the optimal angle. Stiffness based manual design for diagonal Diagrid members is also carried out.
Article Details
Unique Paper ID: 166050

Publication Volume & Issue: Volume 11, Issue 2

Page(s): 94 - 99
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