Cement roads VS asphalt

Now the world common asphalt cement roads and highways are divided into the highway use function sheung shui male entailed and asphalt road all have their own advantages and disadvantages, to cement roads are important realistic a problem is that it's too expensive to toughness also is not very high, so I in some cement road always see of various degrees of crack, even collapse it, For asphalt for flexible asphalt surface flexible, plain, comfortable, noise is small, dust small, maintenance is simple, favors the mechanical construction, no health preservation period, can side construction edge release, particularly suitable for urban road construction. Generally the lack of rain place with asphalt pavement.this much, when construction without water, and water on pitch influence is considerable. But there are no asphalt heat-resistant. South many places with asphalt pavement, based on asphalt pavement.this advantages, the north with asphalt pavement, one is the advantages of asphalt cement road surface, 2 it is construction and maintenance to a lot of water, for the place that lacks water with asphalt pavement is very applicable.