COMPACT, a physically based, event-oriented compaction model, was developed as a management or research tool to evaluate the influence of a surface mining system on compaction of soil material during reclamation. Two systems of area mining reclamation operations were simulated by COMPACT. The first system involved scrapers and bulldozers and the second also included trucks. Scrapers or trucks were used to pick up and deposit the soil material. Bulldozers were then used to shape the site for reclamation. The simulated results were compared with measured results and show how equipment patterns and soil parameters can affect overall soil compaction. This simulation model allows equipment, soil material, and operational parameters to be changed easily so managers and researchers can understand the soil compaction processes at surface mine sites.

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Published in Transactions of the ASAE, v. 35, issue 2, p. 415-422.

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