Research Article
Base Isolation of Buildings with Curved Surface Sliders: Basic Design Criteria and Critical Issues
Table 4
Five columns frame: characteristics of central isolator.
| | Friction coefficient | μ | 1.5 μ | 2.5 μ |
| | Secant stiffness Ke(kN/m) | 713.7 | 835.6 | 1079.3 | | Elastic shear stiffness k (kN/m) | 21526.1 | 25201.3 | 32551.6 | | Equivalent period Tis (s) | 3.26 | 3.01 | 2.65 |
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