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Table 3 DDBD parameters calculated for RC wall-frame models.

From: Application of the Direct Displacement Based Design Methodology for Different Types of RC Structural Systems

 

4 storey

8 storey

12 storey

Drift limit θ d

0.025

0.025

0.025

Effectivemass m e (kg)

795,167

1,575,298

2,298,357

Effective height H e (mm)

10,876

20,602

30,450

Design displacement Δ d (mm)

256

475

663

Equivalent damping ξ eq

12

11.25

10.14

Effective period T (s)

1.79

2.76

3.50

Base shear (kN)

2,504

3,875

4,907