Compaction indication by effective rolling radius

Details Compaction indication by effective rolling radius Compaction indication by effective rolling radius

2004-10-12

2008-09-23

Nguyen, Tan Q (Department: 3661)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Construction or agricultural-type vehicle

C701S001000, C701S035000, C073S078000, C404S125000

Reexamination Certificate

active

07428455

ABSTRACT:
Accurately determining the compaction state of a base material during the compaction process is a recognized problem in the construction industry. The present invention recognizes that the compaction state of the base material can be determined by ascertaining the effective roller radius of the compactor. In other words, in the case of powered compactors, the effective roller radius will asymptotically approach the actual roller radius as the base material changes from a soft un-compacted condition to a hard compacted state. Monitoring compaction state via indicative of an effective roller radius can be used alone as a means of determining compaction state in real time, or can be leveraged and combined with other independent means of monitoring the compaction state to a symbiotic affect in more accurately determining compaction state.

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