| Urban road plant landscape is the intensive reflection of the spirits and qualities of a city.Moreover,it is also a bridge to balance the relationship between human and nature,and connect nature and urban cultural.In order to make a comprehensive evaluation on the plant landscape of road upgrading project in Tianjin Coastal Science and Technology Zone,we count the number and specifications of the engineering road landscape vegetation systematically,appraising the effect of road plant to reduce the atmospheric particles.Besides,we also make a comprehensive evaluation on the plant landscape of road upgrading project in Tianjin Coastal Science and Technology Zone by FAHP method.(1)A general summarization is made to clarify the road design of road upgrading project in Tianjin Coastal Science and Technology Zone,including design concepts,design methods and design schemes of the road plant landscape.At the same time,we make a statistical analysis of specifications,number and survival ratio of the arbors,shrubs,hedges,land covers,perennial flowers and grass flowers.(2)We research on the green barrier's influences on diminishing the atmospheric particles,by studying the height of hedges,the width of green barriers and “slope” barriers.On this basis,we make an appraisal of the effects of the plant landscape of road upgrading project in Tianjin Coastal Science and Technology Zone to reduce the concentration of PM2.5 and PM10.In this process,we conduct an analysis on the occurring problems of road plants influencing the effects of diminishing PM2.5 and PM10,and put forwards the corresponding strategies.(3)Using FAHP to make Weights analysis on the factors which influences the road plants landscape,by FAHP analysis,we can get weights of every factor layer and standard layer.Then,using the weight values,we make a comprehensive evaluation on the plant landscape of road upgrading project in Tianjin Coastal Science and Technology Zone. |
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