【摘要】 拟建铁路成兰线横穿地质条件十分复杂的龙门山脉,并通过汶川大地震重灾核心区,工程地质与地震次生灾害问题控制线路方案。文中以跨越龙门山脉选择沿安县雎水河谷方案的事例,探讨近震源区余震频发条件下复杂山区的选线技术,可供铁路、公路选线借鉴。更多还原

【Abstract】 Chengdu-Lanzhou Railway is to be built crossing Longmen Mountain under complicated geological condition;route program shall be dominated by engineering geology and secondary disasters in the core earthquake affected area.Based on Yan’an Jushui Rive Valley program crossing Longmen Mountain,this paper discusses the route selection technique in complicated geological mountainous area near hypocenter under frequent aftershocks,which can be a reference for railway and highway route selection.更多还原