Pavement safety assessments have traditionally focused on discrete low-density friction assessments using proven technology. But more detailed investigations and analysis are now feasible through improved technologies, explains Simon Tetley of ARRB Systems*.
Efficient earthmoving is allowing productive road construction in the Egyptian desert, Mike Woof reports. Despite ferocious desert temperatures, efficient earthmoving operations will help build new road links in Southern Egypt. Close to the Egyptian city of Assuit, the contractor Orascom is working on three key desert highway projects that will provide vital transport connections for the country's growing economy.
The Wirtgen Group has invested heavily in its Hamm compaction equipment business - Mike Woof writes New compaction models and a brand new factory are strong examples of how the Wirtgen Group has been investing heavily in its Hamm road roller operation. Four new compactors are being launched, two each for the soil compaction and asphalt compaction markets. The company is launching the new H5i and H7i single drum soil compactors as well as the DV+70i and DV+90i twin drum asphalt compactors.
Mixtures with special additives are being produced for roads, offering noise reduction and aiding recycling. Patrick Smith reports. Noise-reducing road surfacings have been used in motorway construction for some time. But relatively new are noise-optimised surfacings used on roads in towns that do not follow a standard concept.Road trials with these materials have taken place in Germany since 2007 and have been prioritised due to the European Union Guidelines on the Assessment and Management of Environmenta
