Research Article
Estimating the Effects of Tunnelling on Preexisting Jointed Pipelines
Table 2
Summary of the material properties of the pipeline.
| Pipeline material properties | Elastic modulus (GPa) | Poisson ratio |
| Concrete | 35 | 0.3 | Cast iron | 84 | 0.3 | Steel | 210 | 0.3 |
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