Research Article
Seismic Evaluation and Retrofit of Reinforced Concrete Buildings with Masonry Infills Based on Material Strain Limit Approach
Table 7
Material strain level of the open ground storey RC-infilled frame.
| | Material strain level | Before retrofit | After retrofit | | Open ground storey RC-infilled frame-X | Open ground storey RC-infilled frame-Y | Open ground storey RC-infilled frame-X | Open ground storey RC-infilled frame-Y | | Displacement (mm) | Base shear (kN) | Displacement (mm) | Base shear (kN) | Displacement (mm) | Base shear (kN) | Displacement (mm) | Base shear (kN) |
| | First yielding of steel | 28.00 | 1434.11 | 28.01 | 1437.30 | 26.67 | 3817.24 | 26.67 | 3814.01 | | First crushing of unconfined concrete | 56.00 | 1476.10 | 42.02 | 1498.59 | 80.00 | 6038.78 | 86.67 | 6250.54 | | First crushing of confined concrete | 126.00 | 1159.98 | 125.95 | 1152.56 | 153.33 | 5237.76 | 146.67 | 5416.95 |
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