高等级山区公路的线路设计对生态环境保护具有关联约束关系,山区公路地处生态保护敏感区,会途经大量的水源地、动物栖息地、自然保护区和生态保护区等,综合考虑公路设计对当地生态环境的影响,根据山区的自然条件和地理环境进行高等级公路设计,避免水土流失和生态破坏,减少因为山区公路修建对山区生态环境的破坏和环境污染从山区高等级公路选线、公路设计和公路施工等方面出发,分析环境因素对公路的制约条件,根据生态环境和地理环境,根据环境保护视角,进行高等级山区公路优化设计,降低山区公路修建对环境的破坏,促进公路建设与山区生态环境的和谐共生.%The route design of high grade mountain highway has the relation restriction relation to the ecological environment protection. The mountain highway is located in the sensitive area of ecological protection, it will pass a large number of water sources, animal habitat. Considering the impact of highway design on the local ecological environment, the highway design of high grade highway is carried out according to the natural condition and geographical environment of mountain area, so as to avoid soil erosion and ecological damage. From the aspects of highway route selection, highway design and highway construction in moun-tainous area, the restrictive conditions of environmental factors on highway are analyzed. According to the ecological environment and geographical environment, according to the perspective of environmental protection, the optimal design of high-grade moun-tain highway is carried out, which can reduce the damage to the environment caused by the construction of mountain road, and promote the harmonious symbiosis between highway construction and ecological environment in mountain area.
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