Research On Landscape Coordination Evaluation Of Active Highways In Mountainous Areas

Since the reform and opening up,China has been vigorously supporting the construction of infrastructure in the field of transportation,especially the construction of mountain expressways,which has made an important contribution to driving the mountain economy and improving the life of the people in the mountain area.And with the consciousness of energy conservation and environmental protection and the concept of green development deeply rooted in the hearts of the people,the requirements of safe travel,ecological environmental protection,landscape aesthetics and so on are gradually paid attention to in the process of highway planning,construction and operation.However,in the process of highway construction in the mountain area,especially the excavation of the highway,it is easy to change the ecological environment of the area,coupled with the complex terrain in the mountain area,the driving conditions are poor,so the higher requirements are put forward for the road environment,driving safety and landscape coordination of the mountain highway.Therefore,the discussion on the landscape coordination of mountain expressway,whether from the perspective of landscape quality,ecological protection or operation safety,will contribute to the construction of a better mountain driving environment.In this paper,the landscape characteristics of mountain expressway are discussed,and the meaning of landscape coordination of mountain expressway is put forward in combination with the basic theories of road area ecology,highway design norms and road traffic safety.In order to evaluate the effect of mountain expressway landscape restoration scientifically and reasonably,the evaluation index system of mountain expressway landscape coordination is discussed.In scientific grasp the meaning of coordination of mountain area highway landscape and landscape features,on the basis of coordination from inside the highway landscape,the external environment coordination and overall coordination of landscape and landscape and safety coordination 4 to 15 by the level of evaluation index and index of 36 secondary construction of mountain area highway landscape evaluation index system of coordination,evaluation indexes and the significance.For the purpose of serving the evaluation of landscape coordination of highway in mountainous areas,standardized scoring was carried out for the constituent factors of the secondary indexes,so as to achieve the grading quantification of the indexes.In order to select the appropriate evaluation method,the evaluation method and classification of highway landscape were deeply studied,and the evaluation method of highway landscape coordination was discussed.The extension comprehensive evaluation model based on subjective and objective(AHP-entropy weight method)comprehensive weighting was established,and was applied to Changzhang Expressway in Hunan Province for evaluation and judgment.Moreover,the evaluation results of Changzhou-Zhangzhou expressway accord with the actual situation,and the study can enrich the theory and method system of landscape coordination evaluation of mountain expressway to a certain extent.Based on the concept of landscape ecology,safety and aesthetics,this paper establishes a coordinated evaluation method of highway landscape.The analysis of mountain highway landscape theory and the systematic study of landscape coordination are of great practical significance to the rapid development of mountain highway in China and the promotion of reasonable landscape design.