山区铁路车站内四线高桥设计

龙门沟四线大桥桥高56m,首次在山区铁路采用四线双柱式刚架墩、配预应力混凝土帽梁,预应力索采用12-15.2钢绞线。钻孔桩及明挖基础。桥梁左侧搭设6m宽56m高站台桥。施工先铁路桥后站台桥。

Designs for A Four-wire High Bridge of in A Mountainous Railway Station

Four-wire double post steel piers designs are applied for the first time in Longmengou four-wire Bridge,which is 56 meters high,equipped with prestressed concrete cap beam,with the 12-15.2 stranded wire as prestressed cable,and with drilling pile and open cut foundation.A platform bridge,6 meters wide,56 meters high,was set up in advance on the left side of the bridge.And the railway bridge was constructed before the platform bridge.