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
Foamed asphalt technology is an in-place asphalt stabilization method that has been researched for several decades. A new development in this evolution, called expanded asphalt, is proving to be a technical success in the U.S., Europe and Africa. Expanded asphalt technology is being developed and...
Article December 28, 2000
Asphalt plant managers aren’t getting fat off pies, cakes and cookiesAsphalt plant managers aren’t getting fat off pies, cakes and cookies.Lets face it, few welcome the new addition to the neighborhood if it’s constantly inviting noisy trucks and smelling like fresh asphalt. Forget about that...
Article December 28, 2000
There are currently two types of hot-mix asphalt plants used in the U.S.: batch plants and drum-mix plants. The results of each type of plant-a hot, homogeneous blend of aggregate and asphalt cement suitable for paving-is the same, but the method each employs to get this mixture differs. The...
Article December 28, 2000
One of the most frequently-asked questions of PC Data Processing is, "In what ways will an integrated Windows 95/NT billing application benefit my business?" All successful bottled water and water filtration business owners know that the integration of all operational phases of their business is...
Article December 28, 2000
The Turks and Caicos Islands (TCI) are located 575 miles southeast of Miami and 100 miles north of Hispaniola. The capital, Cockburn Town, is on Grand Turk Island. These islands are expected to experience a real estate and tourism boom1 and water will be a limiting factor in this expected...
Article December 28, 2000
From America's heartland to the heart of the former USSR, two new asphalt drum-mix plants are headed for Tula, Russia, just 30 miles south of Moscow. Both plants are portable, 220-tons-per-hour Roadbuilder units manufactured by Asphalt Drum Mixers Inc. (ADM), Huntertown, Ind. The first plant was...
Article December 28, 2000
The Sheldon G. Hayes Award is given each year by the National Asphalt Pavement Association (NAPA) to the HMA pavement judged the highest quality in the nation. To select the 1998 Hayes award winner, 13 of NAPA’s Quality in Construction Award winners from 1997 were rated again this past summer after...
Article December 28, 2000
Moisture susceptibility of HMA mixtures The term "stripping" is applied to hot-mix asphalt (HMA) mixtures that exhibit separation of asphalt binder film from aggregate surfaces due primarily to the action of moisture and/or moisture vapor. During the last 10 years, I have investigated...
Article December 28, 2000
Projects to shed light on UTW The remarkable performance of the 1991 Ultra-Thin Whitetopping (UTW) experiment in Louisville generated much interest in this innovative concept resulting in the recent construction of many similar projects in the U.S., Mexico, Canada and Sweden (see Concrete Solutions...
Article December 28, 2000
I have one thing in common with my car. We both like smooth roads. The car likes it for purely mechanical reasons—potholes and ruts are just not good for its suspension. I like them because they are a pleasure on which to drive. Driving can be stressful enough without having to dodge potholes and...
Article December 28, 2000
The use of soft-metricated reinforcing steel as the metric standard for rebar in the U.S. has been officially adopted. Specifications for soft-metric rebar are now available from American Society for Testing and Materials (ASTM) and the American Association of State Highway & Transportation...
Article December 28, 2000
Something has come between the asphalt truck and the paver. It’s called a material transfer vehicle (MTV), and it’s leading the move towards a smoother surface state inspectors and the motoring public are demanding these days. The MTV sits in the middle of the paving process, right behind the...
Article December 28, 2000
Des Moines Asphalt & Paving Co. was only following the No. 1 objective of highway construction: Keep the masses moving. The goal was accomplished in a big and unique way during the construction of two new lanes of highway on Iowa 141 in Dallas County in 1997, as over 346,000 tons of material...
Article December 28, 2000
Determining real maintenance costs associated with protecting large-capacity steel water tanks from corrosion has been a topic of discussion for years among specifiers, manufacturers, contractors and owners of water storage systems. Because of the need for a comprehensive, fact-based, long-term...
Article December 28, 2000
Segregation of hot-mix asphalt (HMA) is a problem facing road builders. When the aggregate becomes segregated prior to laydown, weak spots can form in the road. This will eventually lead to a quicker deterioration of the road. Segregation can first occur at the plant, when the mix material is...
Article December 28, 2000
Heavy Job/ForemanHeavy Job/ForemanHeavy Job/Foreman by HCSS, Houston, is designed to reduce the foreman’s reporting, allowing them to instantly analyze their progress and provide quicker and better job man-agement information. A point-and-click design for Windows simplifies the recording of...
Article December 28, 2000
The Ohio DOT (ODOT) showed concern for both the environment and community during a recent road widening project in Logan County when state engineers preserved the natural beauty of the Ohio farming area by rerouting a creek to make room for the lane expansion. Part of an 18-month-long project,...
Article December 28, 2000
In the fall of 1996, Ontario recorded its wettest September on record, with over 5.5 in. of rain in the first two weeks of the month. Unfortunately, this was during the start of an important utility construction project 40 km north of Toronto. Consumers Gas contracted Robert B. Somerville Pipeline...
Article December 28, 2000
Throughout the UThroughout the U.S., contactors and inspectors must contend with less-than-favorable weather conditions for road construction and rehabilitation. If an asphalt mix cools too rapidly, the mix will become stiff, making it difficult to compact to proper density. A pavement that is not...
Article December 28, 2000
Like many celebrations in Louisiana, festivities involving the completion of I&shyp;49 in the Pelican State revolved around food, music and politics. The celebration, which included a crawfish boil, a breakfast, and a marching band followed by a traditional ribbon cutting involving federal,...
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