甘孜州山區(qū)生態(tài)公路建設(shè)技術(shù)研究
[Abstract]:"Eco-highway" is an advanced construction concept and the future direction of highway development. It mainly reflects the coordinated coexistence of human and nature. It minimizes the damage caused by human factors to nature and achieves the goal of highway construction and ecological environment coordination. However, the research on eco-highway in China started relatively late. Sichuan Ganzi Tibetan Autonomous Prefecture, as a key ecological function area of the state, is also a backward and poor area in the west. It is mainly to keep the highway construction open and smooth. Therefore, the construction of ecological highway is more backward than the developed areas in the interior. On the basis of the analysis of the ecological environment in Ganzi Prefecture and the regional characteristics of the culture in Ganzi Prefecture, the importance and significance of the construction of the ecological highway in the mountainous area of Ganzi Prefecture are analyzed. Therefore, the problems that need to be solved in the construction of ecological highway are multi-faceted and multi-level, such as: ecological route selection, road vegetation restoration, soil and water conservation, road noise prevention, road transport dangerous goods risk prevention, wild resources protection and other issues. This paper focuses on two of them, ecological route selection, vegetation restoration. In order to develop the economy and society of the prefecture, the construction of ecological highway is an unavoidable choice for a long time after Ganzi prefecture. Taking the whole-region tourism as the core of economic development, only the 318,317 national highways as the support, is not enough to achieve the goal of the whole-region tourism. The passage between counties and counties is urgently needed to be opened. Therefore, the ecological route selection should not be ignored and should be fully considered. When it is unavoidable to pass through environmentally sensitive areas, the relevant laws and regulations of the state must be strictly enforced, environmental protection and engineering comparison must be carried out reasonably, and the correct route direction has been determined. As an example of the project, the route selection process adheres to the basic concept of building a resource-saving and environment-friendly highway. By comparing the area of cultivated land, basic farmland and woodland occupied by the project and analyzing the influence of the route through the nature reserve, the route direction of Jiushi Highway is reasonably selected, and the traffic development and environmental protection are correctly handled. The second is that the content of ecological restoration technology is complex and varied, but the vegetation restoration technology is an important part and core part of the ecological highway construction in any plain, mountainous area and other areas. The greening design should be adopted to avoid the disharmony between the vegetation restoration and the surrounding environment within the road area, and new trees, shrubs and grasses should be established according to the local plants of different backgrounds. The cultivation of hierarchical plant communities and succession objectives of plant communities is the focus of highway greening at present, and "natural harmony" is one of the important objectives of vegetation restoration.This paper studies the vegetation restoration technology in highway areas, puts forward the best plant design scheme, construction and management technology, in order to solve the problems of vegetation restoration in traffic engineering construction in mountainous areas and create new ideas. Taking the vegetation restoration project of Kangding-Xindu Bridge section of National Highway 318 as an example, the best scheme of vegetation restoration in Kangding area was studied by fully investigating the ecological environment, such as climate, soil, vegetation and wildlife resources.
【學(xué)位授予單位】:西南交通大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2015
【分類(lèi)號(hào)】:U412.36
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