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IS:1893 Seismic Parameters dialog box

Used to populate the parameter fields with appropriate values for the IS 1893 - 2002 code.

Opens when Generate is clicked in the Seismic Parameters dialog with the IS 1893 - 2002 code selected.

Refer to TR.31.2.9 IS:1893 (Part 1) 2002 & Part 4 (2005) Codes - Lateral Seismic Load for additional information on all parameters.

SettingDescription
Zone Factor Choice In the first drop-down list, select either City or Zone. The second drop-down list is then populated with a list of major Indian cities or seismic zones. The corresponding zone factor, Z, is displayed for the current selection.
Response Reduction Select the type of lateral load resisting system, as defined by the IS 1893 code, used in the structure for the direction of loading.
Importance Factor Select the importance classification, as defined by the IS 1893 code.
Rock/Soil Type Select the soil classification for the structure site.
Structure Type Select the material used for the structure.
Damping Ratio Type a damping ratio, in percent.
Foundation Depth Set this option to display a field in which to type the   depth of foundation below ground level, in the current units of length.
Period in X (sec) Set this option to display a field in which the period of structure (in sec) in X direction.
Period in Z (sec) Set this option to display a field in which the period of structure (in sec) in Z direction.
Generate Closes the dialog box and populates the values in the Seismic Parameters dialog box.
Cancel Closes the dialog box without generating the values for the Seismic Parameters dialog box.