Research Article
Stiffness Analysis of Rectangular Isolators Reinforced by Engineering Plastics
Table 3
Test results of specimens with r = 1.
| | Specimen | Vertical stiffness (kN/mm) | Horizontal stiffness (kN/mm) | | Kv.exp | Kv.ana (error) | Kv.sim (error) | σz (MPa) | KH.exp | KH.ana (error) | KH.sim (error) |
| | B1 | 271 | 255 (−5.8%) | 249 (−8.3%) | 12 | 0.367 | 0.337 (−8.2%) | 0.341 (−7.1%) | | B2 | 205 | 208 (1.5%) | 202 (−1.4%) | 15 | 0.163 | 0.159 (−2.5%) | 0.166 (1.8%) | | B3 | 373 | 350 (−6.1%) | 343 (−8.1%) | 10 | 0.371 | 0.371 (0.0%) | 0.373 (0.5%) | | B4 | 432 | 436 (0.9%) | 406 (−6.0%) | 15 | 0.514 | 0.552 (7.4%) | 0.555 (8.0%) | | B5 | 304 | 278 (−8.7%) | 268 (−11.7%) | 5 | 0.461 | 0.469 (1.7%) | 0.470 (2.0%) |
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