A 4-mi section of Interstate 40 in the western part of North Carolina is undergoing a major improvement to reduce the risk of damage caused by landslides and rockfall. A major concern is the effectiveness of measures taken to keep rockfall material out of the way of travel. By using a probabilistic approach, a model was developed for predicting the distance that bouncing rocks will travel down a slope. Field data on rock bounce characteristics were used to compute the coefficient of restitution. A computer program called "ROCKSIM" was produced to predict rockfall impact areas by using the coefficient of restitution and kinematics of free-fall and rolling motion. The ROCKSIM predictions were used to evaluate the effectiveness of the proposed remedial measure to mitigate the hazard. This preliminary application indicated that ROCKSIM may be a useful tool for evaluating the rockfall process in other areas. Additional data will be collected for model calibration.

Media Info

  • Media Type: Print
  • Features: Figures; References; Tables;
  • Pagination: pp 1-5
  • Monograph Title: Geotechnical engineering research
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 00455834
  • Record Type: Publication
  • ISBN: 0309039223
  • Files: TRIS, TRB
  • Created Date: May 31 1988 12:00AM