Concrete and cement are being encouraged instead of asphalt-concrete roads due to the advantages of the cement concrete road. However, the initial investment cost for cement-concrete road of 1.3-1.5 fold times expensive than asphalt roads, technical system of cement-concrete road construction of low PH and not yet synchronized should not be promoting the advantages of the cement concrete road. On the other hand, the AU has not yet actively produced cement PC 500-is the main source material for cement concrete road construction, so that the current Vietnam's highways are being built with special hot asphalt.
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