秦沈客运专线丁香特大桥双线双曲钢箱梁的制造技术

MANUFACTURE TECHNOLOGY OF DUAL-RAIL AND HYPERBOLICAL STEEL BOX BEAMS OF DINGXIANG GREAT BRIDGE FOR QINSHEN RAILWAY

丁香特大桥位于时速 2 0 0km/h的高速铁路的秦沈客运专线上 ,其钢 -混凝土结构组合连续梁为双线双曲上承式箱梁。这种桥型在我国铁路上首次采用。针对这种结构特点 ,详细地介绍了它的制造技术难点和制造工艺要点及措施。

The Dingxiang Great Bridge lies in Qinshen Passenger Transport Special Railway Line with speed of 200 km/h The steel-concrete composite continued beams in Dingxiang Great Bridge is dual-rail and hyperbolical box beams The beams′s style is first used in the railway of China The paper introduces the difficult point of manufacture technology, key point of manufacture procedure and measures according to the structural character