Road recycling technology was one focus area at the recent World of Asphalt exhibition in the US city of Baltimore - Mike Woof writes. The economic and environmental benefits to be gained from recycling road materials are well understood. In many markets such as North America, Europe and now China, the percentage of road materials being recycled is on the increase. New technologies are helping make recycling more efficient and widening the possibilities for contractors and clients
One innovative deve
New technologies are coming to market with regard to driving and supporting tunnels, with drilling and blasting and accompanying shotcreating technologies being widely used worldwide. Drilling and blasting can be a cost-effective method in the right conditions and in this segment Atlas Copco and Sandvik hold major market shares worldwide, although other firms such as Furukawa and Montabert also compete. Shotcreting equipment is widely used following after drilling and blasting, with CIFA broadening its rang
Ian Hayes, RMD Kwikform’s divisional operations director, gives an overview of the current global formwork and shoring market
Over the recent past, the formwork and shoring market has been changing as the global economic recovery begins to take shape and different countries again begin to invest in key infrastructure projects. Notably there has been a shift in the Middle East, as countries like Saudi Arabia, Kuwait and Oman embark on major airport and the road infrastructure projects to support developme
The second tube of the Pfänder Tunnel, Bregenz, Austria, where the new main tunnel has been excavated using a tunnel boring machine (TBM), is being constructed by Alpine BeMo Tunnelling.
Tubbings have been installed as the inner tunnel lining, and as part of concreting for the inner shell, the FQ 1 crosscut, suitable for vehicles, is being constructed using a tunnel formwork carriage designed and supplied by PERI.
