Research Article
Study on Impact of Various Void Conditions on Shallow Rectangular Masonry-Concrete Power Tunnel and Surrounding Roads
| | Names | Constitutive relation | Modulus of elasticity (MPa) | Poisson’s ratio | Unit weight (kN/m3) | Cohesion (kPa) | Friction angle (°) |
| | Asphalt surface course | Elasticity | 1200 | 0.3 | 24 | — | — | | Road base course | Elasticity | 1800 | 0.28 | 20 | — | — | | Tunnel panel | Elasticity | 25500 | 0.2 | 25 | — | — | | Tunnel brick wall | Elasticity | 2400 | 0.15 | 19 | — | — | | Clay layer | Corrected Mohr-Coulomb | 50 | 0.33 | 18 | 35 | 28 |
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