Research Article
Design and Assessment of a Lightweight Polymer Concrete Utility Manhole
Table 6
Simulation results for Utility Structure 1 and Utility Structure 2 with a wall thickness of 25 mm as a function of soil pressure.
| Pressure (kPa) | 5.5 | 82 | 160 |
| Utility Structure | 1 | 2 | 1 | 2 | 1 | 2 | Maximum tensile stress σf (MPa) | 0.6 | 0.6 | 9.7 | 9.7 | 19.0 | 19.0 | Maximum compressive stress σc (MPa) | 0.4 | 0.4 | 6.8 | 6.8 | 13.0 | 13.0 | Maximum displacement (U) (mm) | 0.15 | 0.5 | 2.3 | 9.2 | 4.5 | 18 | Maximum strain (E) (mm/mm) | 1.4E − 04 | 4.5E − 04 | 2.2E − 03 | 7.2E − 03 | 4.3E − 03 | 1.4E − 02 |
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