May 25, 2023
Challenging Spa against Belgium-The Francorchamps circuit was renovated,Designed to enhance its appeal to audiences,While improving the safety of the racer,This is Spa-The official concern of Frank Colchand。
For the conTractor,Renovating the Spa-Francorchamps circuit is a very special challenge.。Because this track is not as it usually is.,Design from scratch on a drawing,It's in 100 It existed years ago.,And contains normal roads.。
Italy Dromo The general manager of a course design company. Jarno Zaffelli Emphasize,Considering that there are many bends.、Big ups and downs,Naturally, the requirements for renovation operations are also very high.。In extreme cases,Grades up to 20 ° in some sections%,Such as legendary Eau Rouge And Raidillon Corner combination,In addition,The water also caused some problems.。
A sharp turn is called La Source(Source),Because there are springs coming from all directions.。To ensure maximum safety for racers on the difficult Spa circuit,Therefore, very high requirements are put forward for the smoothness and grip of asphalt pavement.。
Rich experience and professional knowledge for high-quality paving escort
Belgian company based near Malmedy Bodarwé The asphalt paving project was contracted. 。Due to the winding height difference of the Spa-Francorchamps circuit,,It's not just a challenge for racers.,It is also a big challenge for the paving team.。“Over the years,We have been working with construction companies that use Wirtgen Group equipment.,We know these machines very well.,And understand its performance in terms of quality and reliability。”
High requirements to achieve better pavement paving effect
Spa-Francorchamps' most famous corner — Eau Rouge-Raidillon The bend needs to be paved with 505 meters of new pavement layer.。Other than that,And the northern section T9Car F1 An extension of 206 meters at the bend,And newly built T8Moto And T9Moto Pavement layer of 701 meters at the bend of the motorcycle race。
In order to ensure the quality and quantity of paving these road sections,,The paving team needs to meet the following requirements:Paving must be carried out without interruption at a rate of 3 to 4 metres per minute。The temperature of the asphalt mixture is set at 180 °C,To ensure that even at low temperatures,There is also a sufficiently large compaction window。In addition,The temperature of the paved surface layer shall be thoroughly monitored and recorded。
Production of special mixture depends on professional Benninghoven Mixing plant
Formulation of asphalt concrete FThe quality of the Formula 1 circuit has a crucial impact.。The concrete formulation,The code name is "Le Noir",Yes Dromo Company according to the FIA (FIA) The standard was designed for the Belgian Grand Prix in Spa.-Francorchamps circuit(Spa-Francorchamps) And R & D。
It's a secret formula.,The asphalt concrete used in the project is composed of Bodarwé A subsidiary of the company Boreta S.A. Production。Used by the company Benninghoven TBA 4000 Asphalt Mixing Plant is manufactured according to high production standards.,It not only has high quality.,Multiple configurations are also available。
Comes with Big MultiPlex Ski Three high-quality Voglers.Paver:SUPER 1800-3i
In use Wirtgen W 220i Cold Milling Machine(WithLEVEL PRO ACTIVE Automatic leveling system and 3D Control System)After milling the surface layer of the construction section,Three more Vogler Super 1800-3i The Paver is used for paving。This paving task is based on the time-tested“Heat on heat”Paving process,Seamless paving three 4.1 to 4.3-meter road section。
All three Pavers are equipped with AB 500 TV Hydraulic telescopic screed and Big MultiPlex Ski,Nsures ideal flatness in the longitudinal direction。Big MultiPlex Ski It is equipped with three multi-probe ultrasonic sensors.,Scanning the adhesive layer and the adjacent surface layer,Ensure accurate paving across the full width of the track。
WITOS Paving Docu And a road surface scan system(Roadscan),Achieve comprehensive monitoring
Each of the three Vogler pavers is equipped with WITOS Paving Docu,Non-contact temperature measurement system combined with road surface scanning(RoadScan),To monitor and record the paving temperatures。
The system not only records the asphalt temperatures,Other paving parameters can also be recorded:Pavement geometry、 Area 、Distance and amount of asphalt spread。Project Manager Sébastien Dandrifosse Very satisfied with this.,He said:“WITOS Paving Docu Ideal for us to monitor the temperature directly on site,In the event of any non-compliance,We can take countermeasures directly.。”
Excellent teamwork
Machine and Construction Team,Outstanding performance in the legendary Spa-Francorchamps renovation project in the Belgian Ardennes、Highlight the elegance。Despite the strict requirements,But the construction workers use their rich machine expertise and excellent technology.,Overcome many challenges。
The course design team also highly appreciates the full support provided by Wirtgen Group.,Just as Jarno Zaffelli As summarized:“Their technical team provides exceptional and vital support。Such a challenging track pavement renovation project.,With these experts around.,It's very reassuring.。”
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