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Code Name

Earthquake Resistant Design of Buildings.

Issued by

National Institute of Normalization.


1993, 1996

Horizontal Base Shear

C: coefficient given by the following forumla.


             n, T': Parameters relative to the foundation soil type (See Table 1, Table 2)

            Ao: Maximum effective acceleration (See Table 3, Fig.1)

            R: Reduction factor (See Table 4)

T*: Period of mode with the highest translational equivalent mass in the direction
       of analysis.

I: Coefficient of importance (See Table 5, Table 6)

P: Total weight of the building above base level.