Table 5.

Use of surface nuclear gauges and penetrometer ovens on construction sites. Partially from Randrup (1996).

Prior to constructionPrior to planting/After planting
Purpose of measurementdetection of existing conditionscontrol of compaction
Preferred methodpenetrometer or surface nuclear gaugesurface nuclear gauge
Measurement depthdepends of amount of fill or excavation proposed;depends on site conditions
subsoil must be quantifiedmin. top 0.3 m of subsoil and preferably the total compacted layer should be ascertained*
  • * See Randrup (1997) and Randrup and Dralle (1997).