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Madhani Nainish Nuruddin

SD4006

Design of an RCC G+14 Structure (Soft Storey at GL)

Design a 14-storey residential building in Seismic Zone-V, focusing on mitigating the soft storey effect at ground level. Tasks include bare frame modeling, seismic load analysis per IS 1893, and infill wall assessment using the equivalent strut method. To Determine soft storey Behavior, compare structural behavior between bare frame and infilled frame, and propose mitigation strategies. Emphasis on enhancing ground floor stiffness via shear walls or braces. Analysis will assess displacements, drift, torsion, and stresses, ensuring compliance with IS 1893-2002. Aim for a structurally resilient building meeting seismic standards within a concise framework.

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Report Content

1. BASIC PROJECT DETAILS

2. LAYOUT OF COLUMNS

3. STATIC LOAD CHECKS

4. SEISMIC LOAD CALCULATION

5. CASE STUDY

6. PROBLEM STATEMENT

7. INITIAL MODEL (A, B & C)- STATIC LOAD RESULTS: ALL 3 FAILS IN DRIFT & DISPLACEMENT

8. MODEL D- STATIC LOAD RESULTS i.e. AFTER ADDING SHEAR WALLS, DISPLACEMENT & DRIFT ARE UNDER CONTROL

9. COMPARISION OF MODELS (5M SOFT STOREY AT GL)- A. MODEL E VS E'- COMPARISON OF BARE FRAME VS BARE FRAME + INFILLS (BOTH FAILS IN DRIFT & DISPLACEMENT). B. MODEL F- FINAL MODEL (PASSES IN DRIFT & DEFLECTION, BUT FAILS IN DYNAMIC & MODAL ANALYSIS HAVING TORSION IN 1ST MODE. C. MODEL F'- FINAL OPTIMIZED MODEL (PASSES ALL THE CRITERIAS, FURTHER IT IS ALSO ECONOMIZED BY TERMINATING 2 SIDE SHEAR WALLS & BY REDUCING THICKNESS OF L-SHAPED SHEAR WALLS FROM 350 MM TO 230 MM AFTER 2ND FLOOR TILL TERRACE LEVEL)

10. DESIGN & DETAILING OF ELEMENTS (SLAB, BEAM, COLUMN, FOOTING & STAIRCASE)