Cold Plant Mix Recycling
AAPTP Project 05-01 Cold plant mix recycling, the less common of the two cold recycling methods, involves mixing RAP with […]
flexible
Asphalt Paver
In 1934 Barber-Greene introduced the Model 79 asphalt laydown machine, a self-propelled formless laydown machine with a floating screed (Tunnicliff, […]
Longitudinal Joint Construction
A longitudinal joint is the interface between two adjacent and parallel HMA mats. Improperly constructed longitudinal joints can cause premature […]
Flexible Pavement Empirical Design Example
Design a new flexible pavement for a major interstate highway using the following conditions (four lanes each direction): Solution By […]
Flexible M-E Failure Criteria
The main empirical portions of the mechanistic-empirical design process are the equations used to compute the number of loading cycles […]
Material Transfer Vehicles
Material transfer vehicles (MTVs) are used to assist the paver in accepting HMA. Most pavers are equipped to receive HMA […]
Marshall Mix Design
The basic concepts of the Marshall mix design method were originally developed by Bruce Marshall of the Mississippi Highway Department […]
Mix Selection Guidance
The National Asphalt Pavement Association (NAPA) has published some general rules Based for HMA mix type use, which are summarized […]
HMA Manufacturing
HMA is produced in a plant that proportions, blends, and heats aggregate and asphalt to produce an HMA that conforming […]
Flexible Pavement Response
How a pavement responds to applied stresses determines how it will behave structurally. Stresses and the resultant pavement response are […]