Concrete paving, compaction & testing

Tradecc launches PC Tunnelinject for sealing concrete cracks Tradecc, a manufacture of concrete tunnel-ling sealing material, has launched PC Tunnelinject 2K 6822 LV, a very low viscous, fast reacting, two-component polyurethane injection resin. PC Tunnelinject 2K 6822 LV uses the principle of self-injection to push itself further in the crack. The resin is ideal for the consolidation of soil and water sealing of structures with high water flow or...

3D GPR technology makes for speedy surveys Traffic-speed surveys using 3D ground penetrating radar (GPR) are slashing the time required for surveying the UK's motorways, and allowing a more thorough analysis of the pavement layers and condition. The UK's Transport Research Laboratory (TRL) was the first organisation in the UK to use 3D GPR for this purpose in 2014, said Adam Cook, data manager, asset surveys at TRL who has been...

Concrete paving precision achieved A Wirtgen SP 62i slipformer has been used for the cost-effective paving of concrete slab in the US state of Texas. The machine has been utilised for construction work in College Station, a town some 150km northwest of Houston, Texas. The contractor used the SP 62i to pave new lanes on the site of the former Texas World Speedway race circuit. The site of the race circuit is now being...