Features

The popularity of hydrodemolition is growing worldwide and was the specified solution for work on two vital Swedish links The hydrodemolition technique, which uses high pressure water jets to remove damaged concrete from various structures, is playing a crucial role in the major restoration of the vital Central Bridge and Söderled Tunnel in the centre of Sweden's capital Stockholm. The 1,550m dual two-lane rectangular box Söderled Tunnel and connecting dual two and three-lane Central Bridge are a vital 2.6k

Visualise today's concept of a major commercial traffic corridor in the western United States. A roadway responsible for delivering goods to Arizona, Nevada and Utah, that also connects Mexico to the United States to Canada through the North American Free Trade Agreement (NAFTA). What springs to mind? A multi-lane highway carrying thousands of vehicles a day past cities at speeds up to 113km/hour, while egress ramps make sure vehicles get safely to city streets and their final destination. This is not the c

Construction of a bridge destroyed in a hurricane was completed early, and with some added aesthetic benefits Hurricane Katrina, one of the deadliest and costliest natural disasters in US history, made landfall on 29 August, 2005, devastating the Gulf Coast. The US 90 Bridge over Biloxi Bay (connecting the communities of Biloxi and Ocean Springs, Mississippi) was one of many major highway and railroad bridges knocked out of service due to extensive storm damage. The eye of the storm passed 96km west of Bilo

Formed at the end of the Cold War, the European Bank for Reconstruction and Development has raised, and loaned, billions to revitalise infrastructure from central Europe to central Asia as Patrick Smith reports One of the highlights of the year for Thomas Maier has been the recent trip to Bratislava, the capital of Slovakia, where history was made. As the Business Group director in charge of the infrastructure sector at the European Bank for Reconstruction and Development (EBRD) he was present when contract

An EC-funded project aims to coordinate research on essential tyre/road interaction parameters. A competition will help raise awareness of the project Drivers need grip between the tyres and the road to accelerate, decelerate or change the direction of a moving road vehicle. Grip is provided by the skid resistance properties of the road surface in combination with the friction characteristics of the tyre. This combination is critical for safe driving, and many European countries have investigated the corre

Foamed bitumen is a versatile and cost-effective tool in recycling roads - Mike Woof reports Wirtgen hopes to capitalise on the growing demand for materials recycling and its range of solutions for this sector has expanded considerably in recent times. The firm has been taking advantage of further developments in foamed bitumen technology to offer an array of cost-effective road repair solutions. The range allows this material to be used in array of cold recycling applications and Wirtgen also offers labora

With a new wave of exhaust emission regulations coming shortly, engine manufacturers are well on track to develop new solutions as Mike Woof reports A wave of technological advances has made the current generation of diesels the cleanest industrial engines ever produced. Driven by tightening controls on emissions, manufacturers have had to develop an array of innovative solutions that will help cut particulate and NOx being emitted from the tailpipe. When the phased reduction in exhaust emissions was first

The first new mobile screen to be launched under the Sandvik name, rather than the Fintec or Extec brands, is the heavy duty tracked QE440 scalping screen. The QE440 was displayed in a live demonstration at a customer event in the UK this summer to launch the newly unified branding and new machine colours. During the demonstration, customers had a chance to view other mobile crushing and screening units in the Sandvik range, as well as the new BR2577 hydraulic breaker.