Discussion on Classification and Grading of Greenway Bridges
The greenway construction under park city is the inevitable result of the mutual coordination and common development between driving and slowing,human and nature,human and environment.It is also the engineering background of compiling and promoting the series of standards for greenway construction.By comparing the characteristics of highway,urban road and greenway,the grade relation of greenway against other two types of roads is established.At the same time,the relationship between the greenway bridge and its upper specification is sorted out,and two classifications and four grades of the greenway bridges are formed.The completion of reasonable classification and grading of greenway bridges is of great significance for building a technical standard system of design,construction,management and maintenance,steadily promoting the compilation of the first local standard for greenway bridges,and then promoting the high-quality construction of greenway bridges.
greenwaygreenway bridgegrade of bridgeclassification of bridge
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