Concrete milling, paving & compaction

Catsurveys Group’s latest mobile ground penetrating radar (GPR) unit can cover up to 50km a day to identify underground utilities, buried manholes, chambers, culverts, tunnels and other objects. The mobile GPR uses a multitude of low- and intermediatefrequency antennas to boost the quality of data. Double polarised antennas cover longitudinal and transverse scans to create clear images. The surveys combine GPS and total station theodolite recording to give pinpoint geolocations of all features of interest.

New material placer being introduced by G&Z – Mike Woof writes. Guntert & Zimmerman is now lifting the wraps from its new MP550 material placer, having announced last year that design work was underway. This machine is designed to boost throughput and overall productivity on site, while being versatile, easy to maintain and service and offering low running costs. According to the firm, the MP550 is the most versatile material placer on the market as it can handle a wide variety of concrete slumps as well as

New material placer being introduced by G&Z – Mike Woof writes. Guntert & Zimmerman is now lifting the wraps from its new MP550 material placer, having announced last year that design work was underway. This machine is designed to boost throughput and overall productivity on site, while being versatile, easy to maintain and service and offering low running costs. According to the firm, the MP550 is the most versatile material placer on the market as it can handle a wide variety of concrete slumps as well as

In the US, a specialist contractor is making savings with new 3D technology for concrete paving. US contractor Gehring Construction is a specialist in concrete paving and is a long-time customer of GOMACO. Having bought its first GOMACO unit in 1973, Gehring has a good deal of experience in this segment. The company is now using some of the latest machine control technology, having bought a Topcon Millimetre GPS 3D stringless system, which has been used on a bypass project around the US city of Colombus. T

A new UK report suggests local authorities should think twice about automatically incorporating cycle lanes in road design. David Arminas reports Environmental and social arguments for getting more people onto bicycles are well known. The theory is the more people cycling, the less traffic congestion and less air pollution from cars. Well-defined cycle lanes can encourage people who might otherwise be too nervous to take to a bicycle. But just how effective are cycle lanes for increasing the safety of

A specially adapted Wirtgen SP25i concrete slipformer has been used on the M6 motorway near Cannock in the UK. The machine worked together with a Wirtgen ISF25i (independent side feeder) in order to pave a concrete slab under difficult conditions. With an overall length of 373km, the M6 is the longest and one of the most heavily congested motorways in the UK. The M6 connects the M1 motorway near Rugby with Carlisle near the Scottish border. But due to the steadily growing volume of traffic, the Highways