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Thang Long Bridge

Innovative solution for Steel deck bridge.
The continuous serious damage of the SMA layer on the Thang Long Bridge since the completion of massive repair works in 2011 have left both MOT and Hanoi City in need of a total and permanent solution to upgrade the bridge surface. After a series of proposals and years of study, it was decided to harden the steel deck with UHPC (ultra-high performance concrete) with steel fiber and cover it with 4 cm of PMB III with super-high performance. After careful evaluation of mix design in the lab and validation after trial paving, the high performance with wider range of temperature application of PMB PG76 Colflex of ADCo was selected for the project. This product helps with the paving/compaction of the PMB asphalt layer, which can be executed under conditions of strong winds, high humidity, and low temperatures in winter; the project was completed in Dec 2020.
 
Project name: Thang Long Bridge
Year: 2020
Location: Hanoi City
Investors: PMU 2
Contractors: PHUONG THANH TRANSPORT CONSTRUCTION & INVESTMENT JOIN STOCK COMPANY
Consultant: Viện Khoa học Công nghệ GTVT (ITST)
Volume: 180 MT
Scope of project: 27.000m2 surface layer with PMB III PG76 on UHPC.
Spec. of PMB: PMB III PG76

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Ha Noi Formula 1 Racetrack

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A showcase of innovation and expertise for the first-ever Formula 1 racetrack in Vietnam. Ha Noi Formula 1 Racetrack (North Vietnam) - total length of 5.6 km, includes 23 turns, with a unique hybrid design, combining a street circuit's characteristic with a permanent track layout to reach a top speed of 335 km/h for F1 car drivers; first ever in the history of Vietnam and the circuit itself. The designing and paving works of high-standard racetrack pavement were done under the supervision of a German F1 accredited consultant. ADCo was awarded for the supply of a complete range of bituminous binder for Ha Noi F1 Race track including:   More than 1,500 MT polymer-modified bitumen for wearing and binder course following MSCR PG specification More than 800 MT Naphthenic based Bitumen from KBC (the Group refinery in Malaysia) for Base course Polymer Modified Emulsion for Tack coat ADCo Trackless System - A first in Viet Nam was implemented and sprayed by ADCo to preserve the integrity of the tack coat and ensure cleanliness of the site ADCo Anti-sticking agent (ASC) from the Group was part of the package for asphalt paving application.   Project name: Ha Noi Formula 1 Racetrack Products: PMB III, 60/70 Bitumen, CRS-1P Year: 2019 - 2020 Location: Ha Noi Investors: VINGROUP - Ha noi City Contractors: Minh Tam Consultant: Tilke - Germany Construction section:  2 layer of PMB III F1 including binder and wearing course on existing road 3 layers of asphalt including 60/70 KBC base course & PMB III F1 binder and wearing course for new construction