Flywheels Association of Uruguay (Auvo) BITAFAL Group relied on for supplying the modified asphalt AM3 being used as surface layer in the recent remodeling Speedway Victor Borrat Fabini El Pinar.
After several years it has been able to realize this dream that has had the support of several national companies and a very large effort by the Auvo policy.
Bitafal: new technologies to improve Caminería
The original work on Auvo, consisting in shaping the subgrade delivered, laying and compaction of ballast (this customer supplied) and the execution of a road surface 7cm thick with modified asphalt. Due to the high demands on surface finish is executed variant that is offered.
Soil movement, was conducted by Domingo De Vitta, with sand instead. Then after some adjustment of the executive project, we proceeded to the laying and compaction of granular material. It came from Cantera Casil of La Paz, supplied by the customer as mentioned.
With respect to the particle size in the first layer it wore its 12% natural sand with 5-14mm starting stone powder crushing Quarries Montevideo, with a percentage of 5.2% asphalt. The it wearing however, was performed without natural aggregates and with the addition of 1% lime. The optimum asphalt AM3 stood at 5.4%
The company had acquired a sonic level and another to copy the granular base which was carefully completed and controlled. The fit with soil and planted the seed back will be at 4.00 meters wide and around the inside of the loop with some minor requirement to prevent sand entering the track.
We congratulate everyone involved for the great work done.
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