大跨钢管混凝土拱桥预制吊装施工拱肋线型控制  

Arch Rib Alignment Control in Suspension Erection of Precasted Concrete Arch Bridge with Long-span Steel Pipe

作　　者：廖金平[1] 张浩[2] 陈伟[2] 

机构地区：[1]广东惠州公路建设总公司,惠州516007 [2]石家庄铁道学院土木分院,石家庄050043

出　　处：《辽宁交通科技》2005年第7期68-70,75,共4页Liaoning Communication Science and Technology

摘　　要：在大跨度钢管混凝土拱桥塔、扣架一体化缆索吊装施工中,其关键在于拱肋线型控制,在理论分析及现场测试基础上,动态调整扣索索力,可保证拱肋线型达到规范要求。In cable suspension erection construction, by integration of bridge tower with centering, the key problem lies in alignment control of arch rib. On the basis of theoretical analysis and site testing, the dynamic regulation of cable power can ensure arch rib to achieve specification requirements.

关 键 词：塔 扣架一体化 拱肋线型 线型控制 钢管混凝土拱桥 吊装施工 大跨度 拱肋 预制 现场测试 

分 类 号：U448.22[建筑科学—桥梁与隧道工程] U448.27[交通运输工程—道路与铁道工程]