Pavement Structural Design PracticesThis synthesis will be of interest to traffic engineers, highway design engineers, and others concerned with the operation, safety, and design of the roadway environment. Information is presented on a variety of advance warning devices that are used by state and local agencies to advise motorists of unusual or dangerous road conditions. This synthesis describes the state of the art with respect to these devices. This report of the Transportation Research Board describes more than 340 such devices that have been applied and are in keeping with accepted traffic engineering principles, but are not presently included in the Manual on Uniform Traffic Control Devices (MUTCD). Both active and passive warning devices are presented in the following general categories: environmental conditions (e.g., snow and ice), heavy vehicles, school zones, pedestrian crossings, rail-highway grade crossings, roadway cross sections, congestion and queues, and others. The purpose and characteristics of each device are described, including any information available on their effectiveness, cost, or other features. A drawing of each device is shown to aid the reader in visualizing the device. |
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Contents
SUMMARY | 1 |
CHAPTER THREE RIGID PAVEMENT DESIGN | 13 |
CHAPTER FIVE FLEXIBLE PAVEMENT OVERLAY DESIGN | 28 |
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1986 AASHTO procedure AASHO Road Test AC overlays asphalt concrete Asphalt Institute axle loads Benkelman Caltrans CBR CBR component analysis CRCP Department of Transportation Depth Full Depth Depth Standard Thickness developed existing pavement Federal Highway Administration FHWA flexible and rigid flexible overlays flexible pavement design frost heave Full Depth Full Full Depth Standard Geotextile Highway Research Board Highway Research Program Hveem internal drainage life-cycle cost analysis Mainline Traffic Marshall CBR Marshall Grading mechanistic models ment NCHRP North Dakota Number of Agencies overlay design procedures overlay thickness overlays of rigid pave pavement design practice pavement design procedure pavement materials pavement overlay design pavement performance pavement research Pavement Structures Permeable Base R-Value Reflection Cracking Reinforced Concrete Pavement resilient modulus testing rigid pavement design Shoulder Design slab Standard Thickness Full subgrade surface synthesis Thickness Full Depth traffic loading Transportation Research Board U.S. Army U.S. Department Washington D.C. хх