Roads

Welcome to the Roads Channel, a special feature that provides the user an in-depth look at the road industry. This section offers several areas to explore: product spotlights, article archives, related case studies, related video and product/supplier contact list.

Article December 28, 2000
An emerging concrete pavement technology is rapidly gaining a foothold across the nation. Known as ultrathin whitetopping (UTW), this technology is used to pave over deteriorated asphalt. The idea is to mill off the asphalt surface and pave it with concrete 2 to 4 in. thick. The concrete bonds to...
Article December 28, 2000
Superpave is an improved system for specifying hot-mix asphalt (HMA) component materials, HMA mix design and analysis, and pavement performance prediction. Implementation of Superpave, when fully developed, should minimize or eliminate rutting, fatigue cracking, and low temperature cracking. As...
Article December 28, 2000
Most of us have heard the following before, three things are important for highway pavements: drainage, drainage and drainage. However, we do not generally consider the drainage aspect of highway pavements seriously when designing new pavements or rehabilitating existing ones. One type of hot mix...
Article December 28, 2000
As part of an extensive scheme to further improve bathing water standards in the Brighton and Hove (England) area, a project for the diversion of stormwater is now in full operation. Located in Brighton Blackrock, the scheme involves a stormwater overflow into a six-meter-diameter storage tunnel...
Article December 28, 2000
These are times of constant change and technology advancement. Improvements in computers, data communications and science and engineering affect every aspect of the way we live, work and survive. They have also influenced and changed the way many routine and specialty tasks are performed. However,...
Article December 28, 2000
Pipes are the key element comprising a sewer system - along with related pipe restraints, couplings and other fittings. The pipe system conveys the stormwater runoff to a selected body of water such as a river, and/or wastewater to a treatment facility. Cylindrical concrete pipe is the most...
Article December 28, 2000
A Prince George's County, Maryland, study in sustainable development has yielded beneficial results for both developers and the environment including reduced construction cost, higher lot yield and cleaner water. Under contract to the County, the Greenbelt (MD)-based civil engineering and...
Article December 28, 2000
Traditionally, visually identified areas of non-uniform surface texture in hot-mix asphalt (HMA) have been interpreted as segreTraditionally, visually identified areas of non-uniform surface texture in hot-mix asphalt (HMA) have been interpreted as segregated mix. The subjective nature of this...
Article December 28, 2000
The Atlantic Ocean is more than a geographical barrier that separates North America from Europe. It is also the demarcation line of a different sort, separating the two cultures. While the contrast between the New World's and Old World's tastes in cuisine and haute couture are well documented,...
Article December 28, 2000
If they are able to withstand the flames sparked by political heat, the fire walls, built into the new federal transportation act to ensure that moneys from the Highway Trust Fund would be spent, and spent for highway purposes, will help deliver significant increases in funding for highway and...
Article December 28, 2000
At the Computer for Construction ’99 and A/E/C Systems Fall show held at McCormick Place North in Chicago this past November, a number of web-based software and products were introduced to the industry. Listed below are some of the highlights. Construction Data Control Inc. demonstrated Job2Date, a...
Article December 28, 2000
If Olympic medals were bestowed for paving under pressure, Slurry Pavers would have been a top contender this summer. On May 17, with the Olympics only two months away, the Georgia DOT let its biggest microsurfacing contract ever. "With so much going on in Atlanta, we needed a quick-fix surfacing...
Article December 28, 2000
It is estimated that road-user costs on a typical urban highway rehabilitation project can exceed $50,000 or more per day. Since 1973, the number of vehicle miles driven has increased 86% while the number of lane miles built has increased only 33 according to The Road Information Program (TRIP)....
Article December 28, 2000
Faster heat transfer analysis Faster heat transfer analysis New capabilities that include the ability to input multiple load curves and thermal rod elements have been announced by Algor Inc. The new features reduce modeling and analysis times and provide engineers with an edge in time-to-market,...
Article December 28, 2000
The amended Clean Water Act, reauthorized by Congress in 1987, mandated that the U.S. Environmental Protection Agency develop a National Pollutant Discharge Elimination System (NPDES) permit program for urban stormwater runoff discharges. The initial phase of this program was to be devoted to urban...
Article December 28, 2000
Using the moniker "The Best Show in Public Works" comes pretty easy for the American Public Works Association when describing tUsing the moniker "The Best Show in Public Works" comes pretty easy for the American Public Works Association when describing their 2000 International Public Works Congress...
Article December 28, 2000
On the basis of previous studies, metals and organics contamination of sediments in a stormwater collection/conveyance canal at Miami International Airport had been confirmed. Contamination levels detected in the canal sediments exceeded Dade County and Florida state standards. A Remedial Action...
Article December 28, 2000
Hot-mix asphalt (HMA) producers and contractors are today faced with many industry changes, which will effect various areas of the industry including specifications, technology, restructuring and regulatory activities. Without the proper information these changes may overwhelm one, leaving them in...
Article December 28, 2000
Utah Department of Transportation UDOT is the agency responsible for the overall management of this project as part of the General Development Plan. Thomas R. Warne is the executive director. The point man on the project is David G. Downs, I-15 corridor project director.Wasatch Contractors Wasatch...
Article December 28, 2000
Knowing the location of underground drains and lines and their condition is important to running an efficient manufacturing operation. This information becomes critical when you are trying to keep pace with the continuous improvements of an ISO-9002 qualified shop. Knowing where everything is and...
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