Asphalt / Concrete / Paving

Wed February 16, 2000

Sakai’s 4000 VPM Rollers Speed Superpave Compaction

All other things being equal in the asphalt compaction process, an increase in the ground speed of a vibratory roller can translate directly into an increase in profit or a decrease in expense. This can only be true with a corresponding increase in vibration frequency, or VPM, however. Unlike static compactors, vibratory compactors offer a combination of both static and dynamic forces to achieve the specified density in the shortest possible time frame....

K.K. Snyder - Wed May 31, 2000

Dodd Asphalt, DOT Give $69M Face Lift to I-475

Construction continues along a major section of I-475 through Central Georgia’s Monroe and Bibb counties to widen the route from two lanes in each direction to three lanes, said Todd Handley, a project engineer with the Georgia Department of Transportation. The $69-million project began mid-1999 and has an estimated completion date of October 2001....

George Graham - Wed March 22, 2000

Polk Parkway Paving Slips on Mining Slime

Road building contractors are all too familiar with the problems encountered in Florida — shallow, sandy soil, igneous limestone, environmental restrictions and water, water everywhere. But problems facing the state Department of Transportation in constructing the recently completed Polk Parkway were different. Before they could begin construction of the 40.2-kilometer (25 mi.) toll road circling the city of Lakeland, engineers had to figure out how to overcome soil conditions resulting from decades of phosphate mining. “It was a very special challenge,” said Turnpike District Construction Engineer Charles Wegman....

Giles Lambertson - Wed March 22, 2000

Barnhill Gets Rough on Roads, Improves Safety

The highway project well under way along Interstate 40 in eastern North Carolina was not undertaken to move traffic faster or to lessen highway congestion. The goal was simpler than that — and more important....

Sheila Irvine - Wed July 26, 2000

DOT Packs on Projects During Summer Season

Resurfacing, reconstructing and widening highways in Tennessee are keeping several contractors busy this summer. Dement Construction Company, headquartered in Jackson, TN, has tackled the four-laning and reconstruction of State Road 22 in Henderson County, which will include the widening and rebuilding of the bridge over Interstate 40, according to Corbin Hamil, vice president in charge of asphalt operations....

Carmen Shirkey - Wed May 31, 2000

Burch-Lowe Paving Seminar Gives Hands-On Experience

Most people will agree that technology changes faster than most of us can keep up. Burch-Lowe, a Georgia equipment dealership, has developed a solution to keep its customers on the cutting edge of the paving industry by hosting paving seminars each year at the company’s headquarters in Mableton, GA....

Cindy Riley - Wed March 08, 2000

Crumbling Concrete Concerns Prompt Night-Time Repairs

With more than 140,000 cars and trucks zooming past each day, road crews in Jefferson County, AL, are working after hours to improve conditions on a portion of Interstate 59 in Birmingham. Repairs on the 3.22-kilometer (2 mi.) stretch of I-59 from the Civic Center Bridge to the Railroad Bridge just north of Tallapoosa Street began last summer and will continue for at least the next few months....