Pavement Design and Staging for Mayan Roads

by Allan F. Lubina, (M.ASCE), Materials Engineer; Louis Berger, Inc., Guatemala,
Robert N. Panfil, Transportation Economist; Louis Berger, Inc., Guatemala City, Guatemala,


Serial Information: Transportation Engineering Journal of ASCE, 1971, Vol. 97, Issue 4, Pg. 651-666


Document Type: Journal Paper

Abstract: AASHO flexible pavement design procedures are applied to the design of low cost penetration roads in Guatemala. Costs are reduced by the utilization of stage construction and the introduction of a risk concept in selecting subgrade design CBR values used in the pavement designs. A parametric benefit model is developed to facilitate calculation of road user costs and to establish pavement staging schedules. Sample calculations and design charts are included to assist in understanding the methodology utilized. Procedures are relatively simple and devoid of sophisticated mathematics so as to be readily applicable by the practicing engineer who is not a specialist in flexible pavement design.

Subject Headings: Pavement design | Asphalt pavements | Subgrades | Construction costs | Risk management | Developing countries | Guatemala | Central America

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