Paving tight corners

摘要

The track was built at the new headquarters of a global market leader for electric and petrol-driven go-karts. As a result, the quality of the track had to be first rate. This made the Hemer jobsite at the headquarters of RiMO Germany a serious challenge. The work was handled by road contractor Ossenberg Aufbereitung, Strassen- und Tiefbau, using two of its Vogele SUPER 1303-3i wheeled pavers. Seven hairpin bends with a crossfall of up to 2096 and a chicane resulted in a circuit in the northern area of Sauerland that demands skill from those driving the go-karts. Although the course has been designed primarily for testing go-karts, its use is also available to locals as a leisure facility. The track varies in width from 5.2-9.5m. At the widest points, the paving team also used a Vogele SUPER 1803-2 Universal Class paver. A key factor in achieving a quality result was the use of a wheeled machine for the tight corners. Wheeled pavers have advantages when paving tight bends as they can steer with precision and the 6x4 drive also helps to maximise grip. The Vogele machine runs on two pneumatic rear tyres and four front wheels mounted on bogies, a layout that also copes with surface irregularities. The Pivot Steer function on the Vogele wheeled machines played an important role in achieving accurate paving on the tight curves. The steering brake automatically brakes the rear wheel on the inside of the bend hydraulically. The system helps to draw the machine round the bend, allowing much tighter turning circles. The system is useful for paving on cramped jobsites such as inner-city building projects as well as racing circuits.