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Terex Bid-Well 4800 Paver Design Based on 50 Years Paving Experience

Fri June 10, 2011 - National Edition
CEG



Capable of paving bridges, streets and highways, today’s Terex Bid-Well 4800 paver from Terex Roadbuilding draws from 50 years of concrete paving experience. The 4800 features a 48 in. (91.4 cm) truss and all-welded steel construction to maximize frame strength and minimize weight. The automatic roller paver is capable of paving widths of more than 170 ft. (51.8 m), optimizing machine flexibility to pave a wide variety of bridges.

Powered by a 23 hp (17 kW) gas engine, the 4800’s paving carriage performs four concrete deck finishing functions. Dual, double-flighted augers meter the concrete to maintain a consistent head of material in front of the carriage. The 11.5 in. (29.2 cm) Rota-Vibe system uniformly consolidates the top 2.5 in. (6.3 cm) of concrete to facilitate sealing of difficult-to-finish designs. Dual, 5 ft. (1.5 m) long paving rollers finish the concrete surface, while a trailing drag pan system seals and textures the deck.

Positioned on top of the frame, the operator’s console of the Terex Bid-Well 4800 is designed for operator visibility and provides easy access to machine and carriage movement. From the console, the operator controls machine travel speed, power up and down leg adjustment, manual shift for carriage reversing and carriage travel speed. Operators also control a number of options without leaving the console, including power crown adjustment, internal concrete vibration system, power leg widening and carriage/drag pan fogging system.

The standard paver rides the rails on four machine travel bogies, offering a 4 ft. (1.2 m) wheel base, and four heavy-duty, 6 in. (15.2 cm) tubular legs with hydraulically adjustable height. To increase paving versatility, the 4800 provides up to 15 ft. (4.7 m) of leg travel to each side to accommodate width changes on the fly.

The Terex Bid-Well 4800 paver on display at World of Concrete in Las Vegas, Nevada included a number of different options, designed to maximize paving versatility. The available paving carriage/drag pan fogging system atomizes the water to produce a true, light fog. This keeps the concrete from drying too quickly to reduce cracking and produce a stronger surface.

When operating the paver in confined construction zones, the optional swing leg design offers zero-clearance paving. These variable-position, offset legs attach to the paver’s main frame and provide an additional length of 2 ft. (0.61 m) for variable-width paving.

The available pivoting leg option for the 4800 saves contractors time and money when paving bridges with cross slopes of more than 8 percent. This optional feature pivots the leg to a true vertical position when paving superelevations, decreasing the side forces on the rail system and reducing the need for additional shoring. Also equipping the machine with available neoprene bogies provides better traction when paving superelevations and grades.

For more information, visit www.terex.com.