Table 2.
Material properties of grouting sleeves.
| Type | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation Ratio (%) |
|---|---|---|---|
| Ductile iron | ≥370 | ≥600 | ≥3 |
| Grade 45 steel | ≥355 | ≥600 | ≥16 |
| Q345 | ≥345 | ≥470 | ≥20 |
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