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Green project is the highway system an important subsystem, in recent years, along with the" harmonious traffic"," green traffic " concept and the deepening of sustainable development thought to perform, greening system begins to get attention, working party construction. But because our country carry out highway greening project starts relatively late, at present in the greening function positioning, greening design and other aspects, there are still some problems. This article mainly around the Xi’an to Tongchuan Expressway landscape design study. Based on the present situation and main structure of highway landscape greening analysis, explore effective measures for the existing highway greening, transformation and future of highway afforestation project construction to provide reference.1.Study on road greening and environmental construction, the relationship between domestic and foreign highway greening development dynamic, highway landscape design theory and design program. Road greening is the land of green component in expressway construction, is an integral part of. It is city garden, Green Street simple extensive, than the barren mountain afforestation, greening technology of net of farmland shelterbelt in strong, high standard. Highway greening and roadbed, road, bridge and culvert, mark consisting of common highway overall, to beautify the road, induced traffic, protection of subgrade and pavement is very important, it directly affects the quality of road function and grade. The highway landscape design with social behavior, culture, art, architecture, history, biology, highway aesthetics, psychology, contemporary science and technology, customs, geography, natural many subjects such as the theoretical basis, to highway of main landscape elements undertake all-around, stereo type, multifunctional landscape ecological engineering design, to achieve the stability of slope, soil and water conservation, shading anti-dazzle, afforest beautification and landscape ornamental and window demonstrative functions of harmonious and graceful, com. Landscape environmental friendly" green ecological highway" purpose.2.With built in Xi’an to Tongchuan expressway landscape design as an example, discusses the highway landscape design problems, based on the construction of highway afforestation project site conditions for detailed analysis and research, draw lessons from the related fields of scientific research theory and achievements, key Lo domain and the surrounding ecosystem restoration, landscape greening design and plant configuration method for application study, formed a complete set of freeway landscape design mode; at the same time for operation of Expressway Greening Status and defects, the urban road landscape design, proposed the rationalization proposal and design should pay attention to the problem.
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