Sammenlign metoder
Gjennomgå de valgte metodene side om side; rader som avviker, er uthevet.
| Terzaghi-konsolidering× | MODFLOW grunnvannsmodellering× | Helningsstabilitet (Bishop-Janbu)× | |
|---|---|---|---|
| Fagfelt | Byggteknikk | Byggteknikk | Byggteknikk |
| Familie | Process / pipeline | Process / pipeline | Process / pipeline |
| Opprinnelsesår≠ | 1943 | 1984 (original release); continuously updated through MODFLOW-6 (2017) | 1955 |
| Opphavsperson≠ | Karl Terzaghi | Michael G. McDonald and Arlen W. Harbaugh (U.S. Geological Survey) | Alan Bishop and Nilmar Janbu |
| Type≠ | Diffusion equation for pore pressure dissipation and soil settlement | Numerical groundwater flow simulation | Limit equilibrium method for slope failure analysis |
| Opprinnelig kilde≠ | Terzaghi, K. (1943). Theoretical Soil Mechanics. John Wiley & Sons. ISBN: 0-471-85305-1 | Harbaugh, A. W. (2005). MODFLOW-2005, the U.S. Geological Survey modular ground-water model — the Ground-Water Flow Process. U.S. Geological Survey Techniques and Methods 6-A16. link ↗ | Bishop, A. W. (1955). The use of the slip circle in the stability analysis of slopes. Geotechnique, 5(1), 7-17. DOI ↗ |
| Alias≠ | Primary consolidation, Soil settlement, Effective stress | MODFLOW-2005, MODFLOW-6, modular groundwater flow model, USGS groundwater model | Circular slip surface, Limit equilibrium, Factor of safety |
| Relaterte≠ | 3 | 0 | 3 |
| Sammendrag≠ | Terzaghi consolidation theory describes how water-saturated clay soils compress over time as excess pore water pressure dissipates and effective stress increases. Formulated by Karl Terzaghi in 1943, this foundational theory enables prediction of settlement rates for foundations on compressible soils, a critical design concern in geotechnical engineering. | MODFLOW is the U.S. Geological Survey's open-source, modular finite-difference model for simulating three-dimensional groundwater flow through porous media. First released in 1984 and continuously updated — most recently as MODFLOW-6 — it is the global standard for quantitative hydrogeological analysis, widely used in civil engineering, environmental consulting, water-resource management, and groundwater contamination studies. | The Bishop and Janbu methods are limit equilibrium approaches for analyzing slope stability, computing the factor of safety against shear failure along a potential slip surface. Developed by Bishop (1955) and Janbu (1954), these methods remain the most widely used tools in geotechnical engineering for evaluating cut slopes, embankments, and natural hillsides. |
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