Materials

A new report by the US-based Freedonia Group estimates that world demand for asphalt will grow 2.1%/year from the low in 2008 to 108 million tonnes in 2013.

Nurock Mixers has developed an innovative compact volumetric machine.

MINNESOTA CITIES including Minneapolis and Richfield have been testing pervious concrete on parking lots and other hard surfaces to improve storm water management. In Shoreview MN, the authorities went a stage further by opting to replace a storm drainage system with pervious concrete.

Cleaning the crushed and screened products can boost quality and revenue. Aggregate Processing Solutions has developed a novel washing system aimed at the quarrying sector. The APS-100AT has been developed after almost five years of research and development and is said to be an innovative multi-component material washing system, featuring a highly efficient, heavy duty linear multi-deck screen.

A crushing and screening system comprising Sandvik mobile machines is proving useful on a project in Brazil. Construction work on the BR-222 highway in the city of Irauçuba, in the Ceará state close to the equator in the northeast of Brazil is benefiting from a fleet of Sandvik crushing and screening units. The mobile machines in use include a QA450 triple deck screener, QH330 cone crusher and QJ340 jaw crusher. The project involves upgrading the BR-222 highway, which joins the cities of Fortaleza and Sobra

Superior Industries is widening its line of Chevron wing pulleys. The new units are designed for construction applications and can be used in light duty, portable conveyors that make infrequent starts and stops. The wing pulleys retain the firm's patented v-shape construction, which is said to help deflect material and prevent it from lodging. The company claims that the design performs better in tough applications than standard wing pulleys. Because the risk of material becoming trapped between the pulley

Teknomak, along with its president Saruhan Sarioglu, will celebrate a 20-year friendship with the Ammann Group in 2011.