3rd North American Conference Victoria

3rd North American Conference

Victoria, Canada, 1989
ISBN 978-1-942112-40-2, €85

Session 1. (Chairman - R. Yong)

  1. “Vehicle Tractive Force on Soil Types of High Shear Strength with Varying Rainfalls”, by R.A. Jones, W.E. Willoughby, and B.G. Schreiner (paper, presentation)
  2. “Traction Performance of a Model Tractor in 2WD and 4WD Modes”, by G. Wang, R.L. Kushwaha, and G.C. Zoerb (paper, presentation)
  3. “Aspects of Soil/Machine Interaction during the Digging Cycle”, by J. Hadjigeorgiou and M.J. Scoble (paper, presentation)
  4. “Effects of Reduced Inflation Pressures on Log Truck Energetics”, by S.C. Ashmore, R.B. Rummer, and H.C. Hodges (paper, presentation)
  5. “Heavy Truck/Trailer Cargo System On- and Off-Road Performance Evaluation by Full Scale Computer-Based Modeling, Simulation and Field Validation”, by R.A. Wehage and M.D. Letherwood (paper, presentation)

Session 2. (Chairman - D. Lawrie)

  1. “Are Present Forestry Machines Smooth Terrain Machines?” by I. Wästerlund (paper, presentation)
  2. “Performance of Three Inwood Transportation Systems on a Wetland Hardwood Site”, by A.E. Hassan (paper, presentation)
  3. “A Terrain Information System for Use in Forestry Operations”, by H.B. Granberg and G.J. Irwin (paper, presentation)
  4. “Mobile Robotic Platform for Rugged Terrain”, by G. Immega (Abstract only)
  5. “Site Deterioration due to Slash Removal by New Full-Tree Logging Techniques”, by G.F. Weetman (Abstract only)

Session 3. (Chairman - Z. Janosi)

  1. “Wheeled versus Tracked Vehicle Snow Mobility Test Program”, by C.E. Green, K. Grimes and G. Blaisdell (paper, presentation)
  2. “Thawing Soil Strength Measurements for Predicting Vehicle Performance”, by S.A. Shoop (paper, presentation)
  3. “Allied Tree Harvester”, by R.E. Brecko (paper, presentation)
  4. “Soil-Bin Study of Full-Size Tire Performance on Clay”, by P. Boonsinsuk, R.N. Yong, F. Caporuscio, and G.J. Irwin (paper, presentation)
  5. “An Overview of Traction Research at University of California, Davis”, by S.K. Upadhyaya and D. Wulfsohn (paper, presentation)
  6. “The Effects of Free Water Content of Snow on Mobility of Rubber Tired Vehicles - A Preliminary Study”, by M.D. Osborne and R.G. Alger (paper, presentation)

Session 4. (Chairman - S. Chatwin)

  1. “Influence of Ecosystem Diversity on Present and Future Forestry Operations in British Columbia”, by P.R. Commandeur, R. Krag, J.P. Senyk and R.B. Smith (paper, presentation)
  2. “Effects of Wide-Tire Skidder Traffic on the Bulk Density of Five Vancouver Island Soils”, by T.P. Rollerson (paper, presentation)
  3. “The Effects of Skidder-Induced Compaction on Growth of Planted Douglas-Fir in Southeastern Vancouver Island, British Columbia”, by G. Butt (paper, presentation)
  4. “Long-Term Effects of Skid Road Disturbance on Engelmann Spruce Growth in the Nelson Forest Region”, by S.R. Thompson, G.F. Utzig and M.P. Curran (Abstract only)
  5. “Proposed System for Reducing Site Disturbance-Degradation in Ground Skidding Operations”, by S. Homoky (Abstract only)

Poster Presentations

  1. “Estimation of Compressibility, Re-expansion and Overconsolidation in Unsaturated, Structured Soils”, by R.A. McBride (poster)
  2. “Research into Ground-based and Alternative Harvesting Systems”, by R. Krag, G. Kockx, and J.P. Senyk (poster)
  3. “Soil Compaction and Effects on Conifer Regeneration in Alberta and Manitoba”, by J. Ball and I. Corns (poster)
  4. “Canadian Forestry Equipment (Video Display)”, by D. Myles (video)
  5. “Snow and Vehicle Mobility (Video Display)”, by M. Osborne and R. Alger (video)
  6. “To Meet the Challenge, FMC/KMC Tracked Skidder Concept (Video Display)”, by J. Edgar (video)