• Amruta Desai
• Dr. S. N. Tande

The diagrid structure is widely used for RCC and steel buildings due to structural efficiency and flexibility provided in architectural planning. Under lateral loading diagrid columns mainly bear lateral loads and produce axial force in the direction of diagrid column which is useful to resist second order bending moment. In this paper a regular 9m x 9m size for G+11 storey with diagrid angle 45⁰is considered. For modelling and analysis of structure SAP 2000 software is used. IS 456:2000 is used for design of all structural members by considering all load combinations. Seismic load is used for analysis of building. Similarly, analysis and design of 63⁰, 76⁰ and 81⁰ diagrid angles are performed. Comparison of results in terms of shear force and bending moments in ground beams, interior and diagrid columns, Axial forces in interior and diagrid columns is carried out along with seismic parameters like storey drift, storey displacement and storey shear. Above results are used for finding optimal angle of diagrid. At last this optimal angled diagrid building results are again compared with conventional grid system.

Diagrid Structure, Optimal Diagonal Angle, Rectangular Grid.

"Seismic Performance Assessment of Concrete Diagrid Structure ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.6, Issue 5, page no.68-74, May-2019, Available :http://www.jetir.org/papers/JETIR1905N12.pdf

"Seismic Performance Assessment of Concrete Diagrid Structure ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.6, Issue 5, page no. pp68-74, May-2019, Available at : http://www.jetir.org/papers/JETIR1905N12.pdf