Based on the analysis of the causes of cracks from all structural courses of concrete road and storage yard, this paper expounds corresponding preventive measures and explains the repairing methods.
从混凝土道路、堆场的各个结构层分析裂缝产生的原因，并针对性地说明预防措施，阐述裂缝维修方法。
2
The dock of a certain navy yard was build in 1971. It has played an important role in naval vessels repairing for thirty. Years.