Research Article
Feb 1974
Use of Concentration Index for Pavement Design
Authors: Richard G. Ahlvin, F.ASCE, Yu Tang Chou, M.ASCE, and Harry H. Ulery Jr., M.ASCEAuthor Affiliations
Publication: Transportation Engineering Journal of ASCE
Volume 100, Issue 1
Abstract
The application of the concentration index to pavements is illustrated. The problem with the design of flexible airfield pavements under newly developed jumbo-jet aircraft, as represented by the Lockheed C-5A Galaxy and the Boeing 747, is examined. These aircraft are equipped with extremely large multiple-wheel landing gears. It is found that the CBR design equation can be used to evaluate the pavement performance under multiple-wheel gear assemblies when the equivalent single-wheel load is computed by the concentration index method. The concentration index is approximately independent of the load, gear configuration, and soil strength but varies with the depth.
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Published In
Transportation Engineering Journal of ASCE
Volume 100 • Issue 1 • February 1974
Pages: 135 - 149
Copyright
© 1974 American Society of Civil Engineers.
History
Published in print: Feb 1974
Published online: Feb 5, 2021
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Authors
Affiliations
Richard G. Ahlvin, F.ASCE
Supervisory Civ. Engr., Asst. Chief, Soils and Pavements Lab., US Army Engr. Waterways Experiment Station, Vicksburg, Miss.
Yu Tang Chou, M.ASCE
Research Civ. Engr., Pavement Design Div., Soils and Pavements Lab., US Army Engr. Waterways Experiment Station, Vicksburg, Miss.
Harry H. Ulery Jr., M.ASCE
Supervisory Civ. Engr., Chief, Pavement Design Div., Soils and Pavements Lab., US Army Engr. Waterways Experiment Station, Vicksburg, Miss.
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.