介绍

维斯瓦（Wisła）是位于波兰南端西里西亚贝斯基德山脉（Silesian Beskids）的一个小镇。由于该镇每年夏季举办国际知名的滑雪跳台大奖赛，因此其经济严重依赖旅游业。

挑战

One of the two roads leading into town is theVoivodeship Road DW942. With the continuous stream of cars pouring in, ZDW Katowice (Zarząd Dróg Wojewódzkich w Katowicach – road administrator) wanted a pavement solution that prevents traffic disruption – making the road more sustainable and affordable. ZDW Katowice decided to implement the Orbiton HiMA technology. ORLEN Asfalt, a leading Polish modified bitumen producer, developed the technology based on the HiMA concept.

决议

The result of the cooperation was a full-depth reconstruction of a 3.5 km (2.2 mi) long stretch of the road with Orlen’s Orbiton 25/55-80 and 45/80-80 PMB HiMA grades. The new pavement consisted of 20 cm (8 in) of AC 22 mix type and 8 cm (3.2 in) of AC 16 mix type base course made with Orbiton 25/55-80. These layers were followed by 4 cm (1.6 in) of SMA 11 mix type wearing course made with Orbiton 45/80-80.

From 2015-2016, ZDW Katowice paved a total 78 km (48 mi) of HiMA modified pavements spanning 26 different sections. ZDW reported that a road reconstruction with HiMA increases total cost by 3.5 percent, while the cost increase for a new construction is only one percent. In addition, HiMA modified pavement translates into a significant increase in pavement durability. Zbigniew Tabor, Director of ZDW, stated that starting in 2017, repairs, reconstructions and new road constructions within the administrative region would only be made with HiMA bitumen.