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新疆公路自然灾害及对策
Authors
岳健
杨发相
韩志强
Publication date
1 January 2006
Publisher
Abstract
新疆地域辽阔,有“三山两盆”,自然环境复杂。公路分布具有翻山越岭,穿越沙漠,在山麓平原连续跨沟,绿洲区公路密度大等主要特点。公路自然灾害是伴随公路工程行为而产生的,因此,其具有沿公路呈带状分布的规律。由以环境退化为主引起的自然灾害发生地点多且较频繁,对公路交通影响大。区内公路自然灾害类型多,成因复杂。影响公路交通安全的自然灾害类型主要有滑坡、崩塌、山洪、泥石流及其二级类共16种,其形成与地貌条件复杂,干旱、寒冷、缺水、风沙活跃、土壤盐渍化重、暴雨时有发生等自然因素和公路工程行为有关。纵观公路自然灾害的分布、成因,与有关因素变化趋势,预测其有3种发展趋势,宜采取有针对性的防治原则和措施
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Institutional Repository of Xinjiang Institute of Ecology and Geography, CAS
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Last time updated on 29/11/2016