大蒸港桥T梁架设技术设计与施工

Design and construction of erection technique of Dazhenggang bridge T-beam

从架设方案选择、架桥机的设计及组装、梁的架设等方面介绍了沪杭高速公路大蒸港立交桥工程中 ,利用六四式轻便器材现场设计和组装双导梁架桥机跨铁路和大河架设 3 5m～ 40mT梁的技术 ,较好地克服了设备进场难和交通干扰的问题 ,同时节省了投资 。

The paper introduces technique of field designing a nd assembling doubl e nose girder bridging machine using six?four portable equipment, and technique of erecting 35m?40m T?beam spanning railway and large river in Dazhenggang via du ct project of Huhang expressway from selection of erection scheme, design and as sembly of bridging machine, erection of beam and so on. It rather overcomes diff iculty of equipment approaching and problems of traffic disturbance, saves inves tment at the same time, obtains fine economic benefit.