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| Pavement ME Design× | Enhetshydrograf× | |
|---|---|---|
| Ämnesområde | Samhällsbyggnadsteknik | Samhällsbyggnadsteknik |
| Familj | Process / pipeline | Process / pipeline |
| Ursprungsår≠ | 2008 | 1932 |
| Upphovsperson≠ | AASHTO (American Association of State Highway and Transportation Officials) | L. K. Sherman |
| Typ≠ | Performance-prediction model for asphalt pavement design | Linear transformation from rainfall to streamflow |
| Ursprungskälla≠ | AASHTO (2008). Mechanistic-Empirical Pavement Design Guide: A Manual of Practice. American Association of State Highway and Transportation Officials. link ↗ | Sherman, L. K. (1932). Streamflow from rainfall by the unit graph method. Engineering News-Record, 108(14), 501-505. link ↗ |
| Alias | MEPDG, Pavement design, Fatigue and rutting | UH, Rainfall-runoff, Hydrograph synthesis |
| Närliggande | 3 | 3 |
| Sammanfattning≠ | The Mechanistic-Empirical Pavement Design Guide (MEPDG or Pavement ME) is a modern method for designing asphalt pavements that predicts performance (rutting, cracking) using mechanistic stress analysis combined with empirical distress models. Developed by AASHTO in 2008 as a successor to the 1993 AASHTO Empirical Guide, this approach provides better accuracy and enables climate-based, site-specific design. | The unit hydrograph (UH) is a linear transformation that converts rainfall excess into streamflow for a watershed. Introduced by Sherman in 1932, the UH assumes that rainfall-runoff response is linear and time-invariant, enabling synthesis of flood hydrographs from design storms for dam spillway design and flood risk assessment. |
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