New product announcements: 01/07/2009 Road milling: Dual Operator Stations The MT2000 milling machine is a four-track, front-load, half-lane milling machine powered by a 610-hp Tier 3 Cummins Engine. The machine has three distinct engine and drum-cutting speeds selectable from the operator’s control panel, with a low-speed setting for higher torque on tough road beds and a high-speed setting for maximum travel speed on shallow cuts. Two operating stations allow flexibility while either panel can control both sides of the machine. Volvo Construction Equipment; 828-650-2000; www.volvo.com Spark-Reduced Grinding Discs: Safer Eco Brazing Diamond Grinding Discs are intended for use in hazardous
Arch dams, classically curved monoliths situated in narrow valleys, are not as common as other types of dams, such as embankment dams and gravity dams. ENR takes a look at some of the biggest arch dams in the world, both completed and under construction.