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桥梁工程跨越泥石流沟时要求其既能顺利宣泄泥石流,又能保证自身的安全。本文从选线原则、桥孔净跨径和净高的确定、桥台基础埋深的确定、适合泥石流特点的桥梁结构形式4个方面对桥梁工程泥石流的关键技术进行了具体的分析。
Bridge project across the debris flow ditch required both to successfully vent debris flow, but also to ensure their own safety. This paper analyzes the key technologies of debris flow in bridge engineering from four aspects: the principle of line selection, the determination of the net span and net height of bridge openings, the determination of the depth of abutment foundation and the bridge structure suitable for debris flow characteristics.