Modelling of 25 storey building with the specified properties using ETABS

1. Modelling of 25 storey building in ETABS

Open the Etabs software and click new model

Setup model initialization and set design codes

Give custom grid spacing

Give spacing as per the question in both x and y direction

Then edit story data and add stories

Add 22 stories more to 25 stories

Give story1 as master story and other all as no

Give similar to story1 for all except plinth and story1

Give ok

Go to define option and select material properties

Add M30 and HYSD 415 by clicking add new material

Then under deifne , select section properties and add frame sections for column and beam.

Give dimensions according to the question

Then define slab sections and Create S150

Then define load patterns as given in the question

Add default design combo and select concrete frame design

Give convert to user combinations

Then quick draw columns

Select property C800x800 as we created and select all stories

Apply columns on the grid points and replicate in x direction for all grid intersections.

All the columns are added and created

Now create beams similarly

Now create slabs, first select plan view on top and select story1 and give similar stories in right bottom corner

Select property S150 to draw slabs

And click all boundaries

Using select option select all beams and assign load for wall as 10 kN

Similarly select slabs and assign live load 3 kN

Then assign diaphragm

Then select play and run analysis and save

Result

X-direction - 3.96

Y-direction - 3.76

Yes

Yes

no

Yes