|
| Design feature, functionality, or behavior criterion | HDR | LRB | FPS | RNC isolator |
|
| (1) Lateral energy dissipation mechanism | ✓ | ✓ | ✓ | ✓ |
| (2) Vertical energy dissipation mechanism | | | | ✓ |
| (3) Self-stopping or buffer mechanism | | | | ✓ |
| (4) No -delta effect | | | ✓ | ✓ |
| (5) No risk of buckling failure | | | ✓ | ✓ |
| (6) Stiffness- and mass-dependent vibration period | ✓ | ✓ | | ✓ |
| (7) Low accelerations of isolated systems | | | | ✓ |
| (8) Reduced torsional responses of isolated systems | | | ✓ | ✓ |
| (9) No minimum flexibility limit | | | ✓ | ✓ |
| (10) Nonchanging friction coefficient with velocity | ✓ | ✓ | | ✓ |
| (11) High resistance to vertical axial tension | | | | ✓ |
| (12) Suitable for low-mass systems | | | ✓ | ✓ |
| (13) Suitable for moderate- and heavy-mass systems | ✓ | ✓ | ✓ | ✓ |
| (14) Self-recentering mechanism | | | ✓ | ✓ |
| (15) Wide working ranges of stiffness and damping | | ✓ | ✓ | ✓ |
| (16) Resistance to wind loads and minor vibrations | ✓ | ✓ | ✓ | ✓ |
| (17) Strain-independent stiffness and damping | | ✓ | ✓ | ✓ |
| (18) Independent lateral stiffness and vertical bearing mechanisms | | | | ✓ |
| (19) Independent damping and vertical bearing mechanisms | | | | ✓ |
| (20) Independent tension-resistance and vertical bearing mechanisms | | | | ✓ |
| (21) Vertical bearing capacity not affected by shear strain | | | ✓ | ✓ |
| (22) Flexible replacement and selection of dampers material and dimensions | | | | ✓ |
| (23) Low initial lateral stiffness | ✓ | ✓ | | ✓ |
| (24) Horizontal fail-safe mechanism | | | | ✓ |
|
| Criteria fulfilment ratio | 6/24 | 8/24 | 12/24 | 24/24 |
| Criteria fulfilment percentage | 25% | 33% | 50% | 100% |
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