oa Civil Engineering = Siviele Ingenieurswese - National Asphalt - next stop HiMA : on the cover



Following hard on the heels of the very successful and well publicised Warm Mix Asphalt (WMA) trials that where completed towards the end of 2010, National Asphalt is once again at the forefront of new asphalt technology in South Africa. This time the company is involved with High Modulus Asphalt (HiMA), which had its origin in France during the 1990s, and revolves largely around the preventing of rutting of asphalt pavements, especially in hot summer conditions. During October 2009 Colas South Africa hosted a SABITA HiMA Interest Group during a fact-finding tour to Reunion. Wynand Nortjé, Technical Manager of National Asphalt, represented the company on this tour.


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