| In recent years, the use of vertical planting have sprung up like mushrooms from close personal territory to large public space, tridimensional space green not only can increase the art effect of buildings, make the environment more neat, beautiful, vivid and lively, also has the advantages of less covers of an area, quick effect, high afforestation rate.In this paper, one hand,the writing of Changsha city park tridimensional afforestation plant list and the analysis of situation of tridimensional virescence have been completed by investigation of greening types of plants,life form,the using frequency of plants,Ornamental Character of plants(flower,leaves,fruit,shape,branches),configuration modes of plants.On the other hand,by using the AHP to establish the alternative estimating system of tridimensional greening plants.from three aspects of plants-ornamental,ecological,economical,it has synthetically evaluated33kinds tridimensional green of climbing or trailing plant.Meanwhile by using the evaluation system of the AHP formulating afforestation plant landscape.And it has accessed20typical planting communities from three aspects of ornamental characters, ecological qualities and social benefits,and making satisfaction of the research about tridimensional space green.Finally,the fragment of building three-dimensional green of Changsha city park will be put out.,and provide basic thoughts to develop Changsha tridimensional greening further.The research as follows:1. A total of54families consisting of94genera covering112species of vertical plant are put into application this time in the175sampling point of city park vertical planting in Changsha. These plant occupied a percentage of11.5of the city’s afforestation, within which oleaceae, as a worldly big families, are in the largest proportion and then comes the less families and single families.Within the112species, there49frutices,28lianas and35herbaceous plants.In rank of occupancy volume of these three species there will be frutices, lianas and herbaceous plants in the list of Changsha vertical plant while these datum are very close.2. The number of tridimensional greening plants in Changsha City Park is quite impressive. No matter the vine, shurb or grass layer,the plants are lack with the use of high frequecy. And the frequecy of majority of species is low. 3. There are19kinds of foliage plants,42kinds of flowers plants, fruitage plants in the park. And the majority plant in fall is red fruit, by the way of seasonal characters of palnts, to analysis and search the seasonal charater in tridimensional greening plants.4. The form of Changsha tridimensional virescence including Green metope,Gallery frame greening,Fake rocks green,Greening Fence,Windowsill greening,Pillar greening and slope protection greening.5. The feature of tridimensional green plants of Urban Comprehensive Parks,by using the AHP to establish the alternative estimating system of tridimensional greening plants,from three aspects of plants-ornamental,ecological,economical,it has synthetically evaluated27kinds tridimensional green of climbing or trailing plant.There are10kinds of plants of which the estimation scale lever is I or II or III,about16types are appropriate for being widely used, it provided a reference for the choice of ridimensional virescence of city parks.6. Using analysis hierarchy process to construct the model that fit the stereo green plant landscape evaluation.Make a comprehensive assessment to20points of three-dimensional landscape.the order is metope greening, rockery greening, fence greening, corridor greening,pillar greening, slope protection greening.7. Four principles of three-dimensional landscape construction will be put forward,and choices of greening plants and configuration should be paid attention. For later reference in similar engineering and Suggestions,we analysis the specific planting form and configuration method.8. Methods and advise of creating a three-dimensional greening landscape in Changsha will be put forward. |
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