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公路建设具有涉及地貌类型丰富、土石方开挖量大、建设周期长等特点,会导致地表植被遭到破坏及水土流失。干热河谷具有特殊的自然地理条件,因此其公路建设中水土保持具有特殊性。以溪洛渡水电站S307泸盐路南田至坪头段复建公路水土保持植物措施配置为例,结合干热河谷植被恢复技术研究及公路水土流失的特点,从路基、弃渣场、临时工程3个方面探讨干热河谷公路施工中植被恢复的设计,以期为同类型的公路水土保持建设提供借鉴。
Highway construction involves many features such as rich landform types, large amount of earth excavation and long construction period, which will lead to the destruction of surface vegetation and soil erosion. Dry and hot valleys have special natural and geographical conditions, so water and soil conservation in highway construction is special. Taking the arrangement of soil and water conservation measures for the rehabilitation of Nantian-Pingtou Section of Xiluodu Hydropower Station in S307 Lulian Road as an example, with the study of vegetation restoration technology in dry-hot valley and the characteristics of soil and water loss of road, three aspects of roadbed, spoil grounds and temporary works are discussed Design of Vegetation Restoration in Rehe Valley Highway Construction with the Purpose of Providing Reference for the Same Type of Highway Soil and Water Conservation Construction.