Study On The Design Of Ecological Highway In Yellow River Delta

With the sustainable development of highway construction, human activities have become more and more aggravating. these have a negative impact on the environment. How to reduce or eliminate the negative impact on the ecological environment while carrying out the highway construction, in order to maintain the balance and stability of the ecosystem and to sustainable development of highway, which is a serious problem for our highway builders.However, due to such reasons as the insufficient understanding of ecological highway and lacking of a theoretical basis, there has not a unified standard of the route selection methods and ecological design. In this case, based on the research of Yellow River Delta ecological highway, this paper researches the concept and design method of ecological highway, clears about the ecological highway connotation, and ascends the route selection techniques and design methods to a theoretical height, coordinates the relations between highway construction and environmental protection, the natural landscape, and improves the Yellow River Delta ecological highway construction level, provides reference for the further study of ecological highway and the actual application, and promotes the development of ecological highway.In this thesis, we start from the Road Area Ecosystem, analyze the attributes and characteristics of the ecological highway, propose the ecological attributes and engineering properties of it. Based on these, this paper delimits the ecological highway in a deep level. For the specific ecological environment of the Yellow River Delta, the paper puts forward the basic principles and procedures of the corridors of highway route and a preliminary study of the selection to the sensitive banding of the environment, which is based on the GIS technology and CAD technology, and puts forward the indicators used to evaluate the route scheme in the region. This paper also analyses the differences between the traditional highway design and the ecological highway design, proposes some design principles of the ecological highway. For the specific environment of Yellow River Delta, this paper learns some experiences in the design methods from other countries, and puts forward some design methods to the graphic design,the longitudinal design and the cross-section design, and the ecological design methods of various structures. In the paper, we discuss the planting and landscape design, and the ecological restoration design, environmental protection technology and landscape construction techniques were studied, which highlight the ecological content of highway design.This thesis provides a basis for the further understanding of the ecological highway, and some possible suggestions for the planning and design methods to the Yellow River Delta. Also provides a technology platform for the establishment of the system of the ecological design. The research of this thesis has a practical significance on the protection of the natural environment, and promotes a harmony relationship of the highway with the environment, and maintains the sustainable development of the highway industry.The research results have a positive effect to help people understand the connotation of ecological highway correctly; can provide methods and basis for the construction of ecological highway in Yellow River Delta.