Project 1_Comparative study of different storey buildings for Seismic forces
AIM: TO MODEL AND ANALYZE MULTIPLE BUILDINGS WITH DIFFERENT FLOOR LEVELES AND DESIGN PARAMETERS USING ETABS SOFTWARE AND COMPARE THE RESULTS TO UNDERSTAND THEIR OVERALL SEISMIC BEHAVIOUR
INTRODUCTION
The structural configuration of building plays a majaor role in determining the overall response during an earthquake. Different building geometries behave differently when induced by the same seismic forces.
MODEL A (G+2)
- Open ETABS and ser up the Model
- Open ETABS from the desktop shortcut or by searching for it from the start menu
- Once the software is up and running click on the new model option
- Once you click on the new model a dialogue box will pop up where you can set up the codes and units to be used in your project
- Thus do the needful settings and click ok to start modelling the first buillding in this project
Setting up the grid data
Fixing the story data
Defining the material property
Defining section propert
B300X400
C400X400
S150
Executing the modelling
Quick draw columns
Quick draw beams
Quick draw floors
Complete model in 3D
Define the load patterns
Generate load combination
Assign load to structural members
10kN/m brick wall load on beams
3KN/M^2 LIVE LOAD ON SLAB
Assign the floor diaphragm
Save the model and run analysis
MODEL B (G+5)
- Make a copy by save as
- Edit story data
Converted 5 Story model
Check the model before running analysis
Check for shell loads
Check for frame loads
Diaphragm check
Run the analysis
MODEL C (G+5)
- Create a copy by save as
- Edit column size and orientation
Check for the frame loads
Check for shell load
Check for diaphragm
Run the analysis
MODEL D (G+5)
Select the column section and bring the orientation back to zero
Required column section
Run the analysis
MODEL E (G+10)
Column size for top 5 storeys: 400x400
Column sizes for bottom 5 storey: 600x600
Add up 5 new stories and set model for model E
Chnage the view settings of the model
Set the building limit, select column and assign them the required section
Building limit
C400X400
C600X600
Select bottom 5 story column
Assign C600X600
Building limit for top 5 stories
Select all columns and assign them C400X400 section
Model after assigning different column for different floors
Run the analysis