News and Press

6 December 2021

Use of natural bitumen Selenizza in a project of warehouse extension for Caterpillar in Poland

Rutting problems resolved thanks to a new pavement with asphalt layers (crushed aggregate base layer + 8cm asphalt concrete 0/16 with PMB 25/55-60 + 5cm asphalt concrete 0/11 with PMB 45/80-65 and Selenizza). The constructionworks were carried out by COLAS Poland, in October 2021 ona parking for machine and an area for shunting, which manage a large fleet of Caterpillar construction machines, starting from smaller excavators up to backhoe loaders, with a considerable point pressure on the surface, crawler excavators weighing from 18 tons to 40 tons, bulldozers, large forklift truck, whose weight together with the load reach 40 tons, rollers from 8 tons to 13-16 tons, and dumpers around 24 tons. The production process went smoothly and after 3 weeks, client park heavy equipment with no reported problem with the parking surface