Research Article
Frost Heave of Irrigation Canals in Seasonal Frozen Regions
Table 6
Physical indexes for the EPS insulation board.
| | Method | Thickness of insulation board (cm) | Material expense per unit length (m3) | Cost per unit length (RMB) | | Opening | Slope | Bottom |
| | Overall insulation | 5.1 | 4.5 | 4.9 | 0.194 | 46.6 | | Partial insulation | 3.7 | 3.5 | 3.6 | 0.146 | 35.0 |
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