In the road construction and asphalt surface is used, rather than the skin on the concrete due to routine maintenance and construction rates are cheaper. For example, in Thai, so make use of rubber asphalt. There are plenty of. At present, it is known that timber country-level issues, and there are cheap, so it is necessary to bring timber to use for commercial, industrial, domestic, and more. This article presents a study of natural rubber is used in road construction. By bringing natural rubber mixing in layers and structure of rubber asphalt in order to make the skin. Which is a problem solving approach that is consistent with the Government's policy. The study found that the properties of rubber mixing asphalt meets the requirements of the Department of highways, and there is a possibility that will be used as commercial timber.
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