ASPHALT TECHNICAL RESOURCES

Colorado Asphalt Pavement Association
"THE ASPHALT RAP"
Technical Articles relating to Construction of HMA Pavements.
The Asphalt Rap is a Bi-Monthly publication of the
Colorado Asphalt Pavement Association

CAPA introduces a NEW publication "The Asphalt RAP". These articles will be published Bi-Monthly and will feature topics on various subjects which relate to the Asphalt, Consulting or related Construction industries.

November 2011

"Best Practice Guidance" Tack Coats – How and What to apply!  CAPA has developed a technical document that supports the use of best practices for tack material and application.  The document discusses tack application rate, materials, surface preparation, application techniques/tracking, and tack setting. 

 

April 2011

Potholes, Causes and Traditional Repair Methods

The Hole Story®, potholes are caused by traffic, loading, water/snow/ice, age, and deferred maintenance. Potholes are created when the pavement or the material
beneath it – called the base or subbase – cannot support the weight of the traffic it carries.
Two factors are always present in such a failure: Traffic and Water. (Read More)

January 2011

“Best Practices” for the Use of Recycled Asphalt Shingles
The use of recycled asphalt shingles (RAS) from both manufacturers’ waste and tear-offs in asphalt mix is a win-win situation for owners, contractors and the environment,
provided best practices for quality control and all other specifications are being followed by the producer. (Read More)

August 2010
Pavement Type Selection Defining ”Best Value”
"Best Value” is an important factor when making pavement type decisions or when determining the right pavement investment. Both up front construction costs and long term costs are included when considering best value. As an asphalt pavement specialist, it is our role to advocate for the use of asphalt pavements and it is easy to stand up and rattle off the perceived benefits of asphalt pavement. (Read More)

December 2009

Understanding the Importance of Maintaining our Pavements – HOT OFF THE PRESS!
The latest edition of CAPA’s The Asphalt RAP  is entitled “Understanding the Importance of Maintaining our Pavements – Fix it Now or Fix it Later” The 4 page publication gives helpful information on the cost effectiveness of keeping our good roads good and adequate funding for roadway maintenance. (read more)

June 2009
HMA Test Result Relationships for Quality Control and Quality Assurance
Long lasting quality asphalt pavements are the end result we are looking for. Accurate test results and recognizing when test results do not make sense are an important step towards achieving a quality pavement.

July 2008

PG binders, Taking the mystery out of the numbers
The information in this publication was Authored by Tom Clayton, SET, Director of Training, and Tom Peterson, P.E., Executive Director, Colorado Asphalt Pavement Association and compiled from several sources including the FHWA, Colorado Department of Transportation, CalTrans, Asphalt Institute, Colorado Asphalt Pavement Association, and National Asphalt Pavement Association.

June 2008

Understanding Density Requirements Marshall vs. Superpave
Submitted by Mr. Mike Skinner, CTL/Thompson, inc and contributed to by Tom Clayton, Director of Training CAPA

December 2007-

Warm Mix Asphalt
Submited by Mr. Jarrett Welch, Brannan Sand and Gravel, Co

September 2007-

Cold Weather Paving
By Tom Clayton, Director of Training CAPA

April 2007-
Pavement of the Future: Porous Asphalt
Submitted by Ms. Lisa Klotz, Kleinfelder, Inc, Golden, CO

February 2007-
An Introduction to the Asphalt Release Agent
Submitted by Mr. Mike Scardina, BG Chemical, LP