Use of Gravel Properties to Develop Arrester Bed Stopping Model
Publication: Journal of Transportation Engineering
Volume 117, Issue 5
Abstract
This study was undertaken to investigate the engineering properties of a river pea gravel and to develop a model that can be applied to predict the stopping distance of runaway trucks in arrester beds. A summary of the engineering properties studied is included in this paper. Both static and dynamic triaxial compression tests were conducted. These tests were performed with a specially constructed triaxial cell. Specially designed dynamic equipment was employed to perform the dynamic testing. In the static testing, the test specimens were subjected to different confining pressures, whereas in the dynamic testing, the test specimens were under a vacuum condition. The analysis includes pertinent parameters of the truck and gravel properties, which were obtained from static and dynamic triaxial compression tests. The performance prediction from the developed model is in better agreement with the full‐scale experimental results than Federal Highway Administration guidelines or Bekker's model. The proposed model provides a good engineering approach for evaluation and prediction of gravel arrester bed performance.
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Information & Authors
Information
Published In
Journal of Transportation Engineering
Volume 117 • Issue 5 • September 1991
Pages: 566 - 584
Copyright
Copyright © 1991 ASCE.
History
Published online: Sep 1, 1991
Published in print: Sep 1991
Authors
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