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Deep Dynamic Compaction
About
This app assists the user to find the depth of improvement for given mass W of pounder (in metric tonnes) and drop height (in meters), using the following equation: D = n * √ (W * H)
Disclaimer: Neither the original developer of the spreadsheet, nor Geoengineer.org, share any responsibility from the use of this spreadsheet. It is provided for educational purposes. The user of the spreadsheet has full responsibility to make sure that the calculations and tools that he/she is using are correct and the results reasonable.
Helper for n-values
| References | n-values |
|---|---|
| Menard and Broise (1975) | 1.0 |
| Lenards et al. (1980) | 0.5 |
| Ramaswamy et al. (1981) | 0.6* |
| Bhandari (1981) | 0.51 |
| Charles et al. (1981) | 0.35* |
| Santoyo and Fuentes (1982) | 0.37 |
| Bjolgerud and Haug (1983) | 1.0 (rockfill) |
| Smoltczyk (1983) |
0.5 (soils with unstable structure) 0.67 (silts and sands) 1.0 (purely frictional soils) |
| Lukas (1984) | 0.65-0.8 |
| Mayne (1984) | 0.3-0.8 |
| Gambin (1984) | 0.5-1.0 |
| Qian (1985) |
0.55 (loess) 0.65 (fine sand) 0.66 (soft clay) |
| Van Impe (1989) |
0.5 (clayey sand) 0.65 (silty sand) |
| Rollins and Kim (2010) | 0.4+-0.15 (collapsible soils) |
| Zekkos et al. (2013) | 0.4 +-0.1 (municipal solid waste) |