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Home > Cold Research and Engineering Laboratory Reports > > SR97_14

Ripping Frozen Ground with an Attachment for Dozers
TRACTOR-MOUNTED RIPPERS
Figure 3. Ripper attachment for use on moldboards of dozers
Figure 4. Distribution of permafrost and seasonally frozen ground in the Northern Hemisphere
EXCAVATING HARD AND FROZEN GROUND
OBSERVATIONS OF WORK USING THE RIPPER ATTACHMENT
Figure 7. John Deere 750 fitted with a moldboard ripper
Rippers on commercial tractors
Ripping with the John Deere 550
Ripping with the CEV
Figure 11. Ripper shown at full penetration in asphalt pavement with the blade sliding along the pavement surface
Figure 13. Dozer blade, ripper, and simple skid used to control depth of cut, independent of CEV suspension
CONCLUSIONS AND RECOMMENDATIONS - SR97_140019
LITERATURE CITED - SR97_140020
LITERATURE CITED-continue - SR97_140021
Report Documentation Page - SR97_140022
SR97_14






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