1

Seismic Coeff. method

ETABS: Define & Apply Seismic

parameters:

• Direction

• Option for auto calculate T or

T

• Z, I, R

• Soil Type

STAAD: Define Seismic parameters:

• Z, I, R

• Structure Type or

Tx & Ty

• Soil Type • Damping ratio ξ

Apply

• Direction (X, Y,Z), factor

Seismic Analysis of Multi-storied RC Building Presented by Rahul Leslie

2ETABS: Seismic coeff. method

Seismic Analysis of Multi-storied RC Building Presented by Rahul Leslie

3STAAD: Seismic coeff. method

Seismic Analysis of Multi-storied RC Building Presented by Rahul Leslie

4STAAD: Seismic coeff. method

Seismic Analysis of Multi-storied RC Building Presented by Rahul Leslie

5

Add Seismic Masses

EATBS• Select loads to

combine

STAAD• Add self wt., Joint

loads, Member loads, Floor loads

OR• Put lumped mass

Seismic Analysis of Multi-storied RC Building Presented by Rahul Leslie

6

Define Mass Source:-

ETABS: Seismic masses

Seismic Analysis of Multi-storied RC Building Presented by Rahul Leslie

7STAAD: Seismic masses

Seismic Analysis of Multi-storied RC Building Presented by Rahul Leslie

8STAAD: Seismic masses

Seismic Analysis of Multi-storied RC Building Presented by Rahul Leslie

9STAAD: Seismic masses

Seismic Analysis of Multi-storied RC Building Presented by Rahul Leslie

10STAAD: Seismic masses

Seismic Analysis of Multi-storied RC Building Presented by Rahul Leslie

11STAAD: Seismic masses

Seismic Analysis of Multi-storied RC Building Presented by Rahul Leslie