Introduction The purpose of this paper is finding out the differences in the calculation of concrete road structure between Chinese codes and American codes， looking for the possibility of Chinese code to replace American code in the calculation of concrete road structure， making Chinese codes more widely used in the world.
Method We compared the theoretical principles and design process of concrete road design between Chinese codes and American codes， then the same project example is calculated by the methods of Chinese codes and American codes respectively， and we compared the result and got a conclusion.
Result After comparison， we find that the results calculated by Chinese codes and American codes are very close， Chinese codes are more conservative that can increase the life of concrete roads.
Conclusion In the concrete road design of foreign projects， Chinese codes can replace American coads. We can use Chinese codes boldly， and help them to go to the world.
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