【摘要】 天津海河大桥主塔,建筑高度高,主塔结构外形复杂,主塔施工时线性和应力的控制是一个非常复杂和困难的课题。通过对主塔施工关键技术的研究,得出了主塔施工时,采用主动对拉和主动起顶的施工控制技术,能有效控制主塔应力和线性。更多还原

【Abstract】 Tianjin Haihe River Bridge tower is very high,and the structure has a complex shape,in the construction of the main tower the linearity and stress control is a very complex and difficult subject.In this paper,by research on key technology of construction of the main tower,the construction technology,of active and active pulling from the top is used,which can effectively control the stress and linearity of the main tower.更多还原