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Tag: reclaimed asphalt pavement (RAP)

Roadbuilding
Special Report from TRB 2014: Warm Mix Asphalt
The incursion of warm-mix asphalt (WMA) into the nation’s bituminous pavements continues unabated.
March 7, 2014
Porous asphalt pavement is similar to open-graded friction courses (OGFC), with the same problem of drain-down, but is meant for static loads and environmentally sustainable stormwater drainage. Here, mix for the parade ground at U.S. Marine Corps Recruit Depot at Parris Island, S.C., contains warm-mix additive instead of fibers.
Roadbuilding
Running Shingles the Right Way
Correctly running recycled asphalt shingles (RAS) and reclaimed asphalt pavement (RAP) at the same time can be a tricky business.
February 7, 2014
Astec built a special bin for Ideker to run 1/10-inch shingles.
Roadbuilding
Long Live Asphalt Pavements
The perpetual pavement project on California’s I-5 has sparked a trend in the state for asphalt pavements designed to last 40 years with minimal maintenance.
October 2, 2013
PMA was used in the top 3 inches of this project, and AR-8000 was used in the other layers, including the 3-inch-thick, “rich bottom” layer. The variability in structural pavement thickness is concentrated in the varying thickness of the middle layer(s).
Roadbuilding
Beware Premature Aging of Binder
Take care with liquid asphalt binder to avoid thermal crack failure.
June 6, 2013
Reclaimed asphalt pavement (RAP) is fed to crushing circuit in advance of incorporation into warm asphalt mix.
Roadbuilding
Special Transportation Research Board 2013 Report
‘Bio-Binder’ Green Modifiers star at TRB.
April 3, 2013
Fig.1: Biomass pyrolysis for production of bio-binder.
Roadbuilding
Rap Up
Making High-RAP mixes — an art and a science.
March 6, 2013
Astec guarantees that its plant will run 50-percent RAP at 5-percent moisture or less.
Roadbuilding
Roadway Environmental Ratings: What’s Best for Your Agency?
There’s a choice of programs to use in rating sustainable roads.
November 12, 2012
Cold milling of aged asphalt produces reclaimed asphalt pavement (RAP), and is encouraged by various environmental sustainability rating systems
Roadbuilding
Road Science
Recycled materials need analysis, characterization.
September 6, 2012
In Wisconsin, pavement demolition concrete is crushed next to a construction site. The resulting RCA will go back as base material below concrete pavement.
Roadbuilding
Highway Contractor
Achieving the high production/quality double on I-10; County Road F gets an “A”; taking out the cracks.
August 5, 2012
FNF Construction earned mix quality bonuses averaging $2.30 per ton.
Roadbuilding
Highway Contractor
Achieving the high production/quality double on I-10; County Road F gets an “A”; taking out the cracks.
August 5, 2012
FNF Construction earned mix quality bonuses averaging $2.30 per ton.
Roadbuilding
$112.6 million project Central Tri-State Tollway resurfacing began April 2
The Central Tri-State Tollway (I-294) Resurfacing Project between 95th Street in Oak Lawn, Ill., and Balmoral Avenue in Rosemont, Ill. began on April 2. Work includes roadway repairs and resurfacing the 19-mile section between 95th Street and Franklin Avenue in Franklin Park with a new layer of asphalt and concrete repairs on the three-mile section from Franklin Avenue to Balmoral Avenue to extend the life of the roadway and provide a new, smooth surface. The project also includes repairs to 54 bridge structures throughout the corridor. The $112.6 million project will be complete in late fall 2012.,The Central Tri-State Tollway (I-294) Resurfacing Project between 95th Street in Oak Lawn, Ill., and Balmoral Avenue in Rosemont, Ill. began on April 2. Work includes roadway repairs and resurfacing the 19-mile section between 95th Street and Franklin Avenue in Franklin Park with a new layer of asphalt and concrete repairs on the three-mile section from Franklin Avenue to Balmoral Avenue to extend the life of the roadway and provide a new, smooth surface. The project also includes repairs to 54 bridge structures throughout the corridor. The $112.6 million project will be complete in late fall 2012.,The Central Tri-State Tollway (I-294) Resurfacing Project between 95th Street in Oak Lawn, Ill., and Balmoral Avenue in Rosemont, Ill. began on April 2. Work includes roadway repairs and resurfacing the 19-mile section between 95th Street and Franklin Avenue in Franklin Park with a new layer of asphalt and concrete repairs on the three-mile section from Franklin Avenue to Balmoral Avenue to extend the life of the roadway and provide a new, smooth surface. The project also includes repairs to 54 bridge structures throughout the corridor. The $112.6 million project will be complete in late fall 2012.,The Central Tri-State Tollway (I-294) Resurfacing Project between 95th Street in Oak Lawn, Ill., and Balmoral Avenue in Rosemont, Ill. began on April 2. Work includes roadway repairs and resurfacing the 19-mile section between 95th Street and Franklin Avenue in Franklin Park with a new layer of asphalt and concrete repairs on the three-mile section from Franklin Avenue to Balmoral Avenue to extend the life of the roadway and provide a new, smooth surface. The project also includes repairs to 54 bridge structures throughout the corridor. The $112.6 million project will be complete in late fall 2012.,The Central Tri-State Tollway (I-294) Resurfacing Project between 95th Street in Oak Lawn, Ill., and Balmoral Avenue in Rosemont, Ill. began on April 2. Work includes roadway repairs and resurfacing the 19-mile section between 95th Street and Franklin Avenue in Franklin Park with a new layer of asphalt and concrete repairs on the three-mile section from Franklin Avenue to Balmoral Avenue to extend the life of the roadway and provide a new, smooth surface. The project also includes repairs to 54 bridge structures throughout the corridor. The $112.6 million project will be complete in late fall 2012.,The Central Tri-State Tollway (I-294) Resurfacing Project between 95th Street in Oak Lawn, Ill., and Balmoral Avenue in Rosemont, Ill. began on April 2. Work includes roadway repairs and resurfacing the 19-mile section between 95th Street and Franklin Avenue in Franklin Park with a new layer of asphalt and concrete repairs on the three-mile section from Franklin Avenue to Balmoral Avenue to extend the life of the roadway and provide a new, smooth surface. The project also includes repairs to 54 bridge structures throughout the corridor. The $112.6 million project will be complete in late fall 2012.,The Central Tri-State Tollway (I-294) Resurfacing Project between 95th Street in Oak Lawn, Ill., and Balmoral Avenue in Rosemont, Ill. began on April 2. Work includes roadway repairs and resurfacing the 19-mile section between 95th Street and Franklin Avenue in Franklin Park with a new layer of asphalt and concrete repairs on the three-mile section from Franklin Avenue to Balmoral Avenue to extend the life of the roadway and provide a new, smooth surface. The project also includes repairs to 54 bridge structures throughout the corridor. The $112.6 million project will be complete in late fall 2012.,The Central Tri-State Tollway (I-294) Resurfacing Project between 95th Street in Oak Lawn, Ill., and Balmoral Avenue in Rosemont, Ill. began on April 2. Work includes roadway repairs and resurfacing the 19-mile section between 95th Street and Franklin Avenue in Franklin Park with a new layer of asphalt and concrete repairs on the three-mile section from Franklin Avenue to Balmoral Avenue to extend the life of the roadway and provide a new, smooth surface. The project also includes repairs to 54 bridge structures throughout the corridor. The $112.6 million project will be complete in late fall 2012.
March 30, 2012
Roadbuilding
$112.6 million project Central Tri-State Tollway resurfacing project begins April 2
The Central Tri-State Tollway (I-294) Resurfacing Project between 95th Street in Oak Lawn and Balmoral Avenue in Rosemont is scheduled to begin overnight on Monday, April 2. Work includes roadway repairs and resurfacing the 19-mile section between 95th Street and Franklin Avenue in Franklin Park with a new layer of asphalt and concrete repairs on the three-mile section from Franklin Avenue to Balmoral Avenue to extend the life of the roadway and provide a new, smooth surface. The project also includes repairs to 54 bridge structures throughout the corridor. The $112.6 million project will be complete in late fall 2012.,The Central Tri-State Tollway (I-294) Resurfacing Project between 95th Street in Oak Lawn and Balmoral Avenue in Rosemont is scheduled to begin overnight on Monday, April 2. Work includes roadway repairs and resurfacing the 19-mile section between 95th Street and Franklin Avenue in Franklin Park with a new layer of asphalt and concrete repairs on the three-mile section from Franklin Avenue to Balmoral Avenue to extend the life of the roadway and provide a new, smooth surface. The project also includes repairs to 54 bridge structures throughout the corridor. The $112.6 million project will be complete in late fall 2012.,The Central Tri-State Tollway (I-294) Resurfacing Project between 95th Street in Oak Lawn and Balmoral Avenue in Rosemont is scheduled to begin overnight on Monday, April 2. Work includes roadway repairs and resurfacing the 19-mile section between 95th Street and Franklin Avenue in Franklin Park with a new layer of asphalt and concrete repairs on the three-mile section from Franklin Avenue to Balmoral Avenue to extend the life of the roadway and provide a new, smooth surface. The project also includes repairs to 54 bridge structures throughout the corridor. The $112.6 million project will be complete in late fall 2012.,The Central Tri-State Tollway (I-294) Resurfacing Project between 95th Street in Oak Lawn and Balmoral Avenue in Rosemont is scheduled to begin overnight on Monday, April 2. Work includes roadway repairs and resurfacing the 19-mile section between 95th Street and Franklin Avenue in Franklin Park with a new layer of asphalt and concrete repairs on the three-mile section from Franklin Avenue to Balmoral Avenue to extend the life of the roadway and provide a new, smooth surface. The project also includes repairs to 54 bridge structures throughout the corridor. The $112.6 million project will be complete in late fall 2012.,The Central Tri-State Tollway (I-294) Resurfacing Project between 95th Street in Oak Lawn and Balmoral Avenue in Rosemont is scheduled to begin overnight on Monday, April 2. Work includes roadway repairs and resurfacing the 19-mile section between 95th Street and Franklin Avenue in Franklin Park with a new layer of asphalt and concrete repairs on the three-mile section from Franklin Avenue to Balmoral Avenue to extend the life of the roadway and provide a new, smooth surface. The project also includes repairs to 54 bridge structures throughout the corridor. The $112.6 million project will be complete in late fall 2012.,The Central Tri-State Tollway (I-294) Resurfacing Project between 95th Street in Oak Lawn and Balmoral Avenue in Rosemont is scheduled to begin overnight on Monday, April 2. Work includes roadway repairs and resurfacing the 19-mile section between 95th Street and Franklin Avenue in Franklin Park with a new layer of asphalt and concrete repairs on the three-mile section from Franklin Avenue to Balmoral Avenue to extend the life of the roadway and provide a new, smooth surface. The project also includes repairs to 54 bridge structures throughout the corridor. The $112.6 million project will be complete in late fall 2012.
March 30, 2012
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