强风环境下单肢——双肢变截面高墩施工关键技术
Discussions on the Key Technologies of Construction of High Pier with Variable Section under Strong Wind
邹振 1李冰1
作者信息
- 1. 中交二航局第四工程有限公司 芜湖市 241000
- 折叠
摘要
MORAČICA大桥桥墩采用单肢—双肢变截面形式,最高墩高达161 m,施工采用液压自爬模施工工艺.该桥位于大峡谷处,该峡谷是本区域的过风通道,常年有较大风力,尤其是冬春季节风力达到7～8级,有时可达11级.因此,墩身施工中要着重考虑大风天气对爬模施工的影响.依托黑山南北高速公路项目MORAČICA大桥高墩施工,讨论在强风恶劣环境下高墩施工时所采取的关键技术措施.
Abstract
The pier of MORAČICA Bridge adopts the form of variable cross section of one limb-two limbs,and the highest of which is 161m.In this project,the construction technology of hydraulic self-climbing formwork is applied.The Moracica Bridge is located in a grand canyon where is a wind channel and with great wind all the year round,especially in the winter and spring season,the wind can reach force 7-8 level even up to 11 gale.Therefore,the effect of wind on the hydraulic self-climbing form work technology should be considered during the construction of the pier.In the paper,relying on the construction of pier of Moracica Bridge in Montenegro North-South Highway Project,the key technical measures adopted in the construction of high pier in severe wind environment are discussed.
关键词
桥梁工程/高墩施工/强风环境/单肢—双肢变截面/施工关键技术Key words
bridge engineering/high pier construction/strong wind environment/variant cross section/key technologies of construction引用本文复制引用
出版年
2024
NETL
NSTL
万方数据