摘要
在斜拉桥的施工监控过程中,当主梁标高和施工索力出现了偏差,对主梁应力与成桥线形造成不利的影响时,有必要采用斜拉桥施工过程中的多索力调整来消除此误差。本文结合某斜拉桥实例来阐述超重系数的确定、多索力调整的方案制定及索力优化的方法等。
When a great amount of deviation of the elevation of main girders or cable force emerged during construction it would have a bad effect on the stress of main girder and the elevation in completion state of bridge. Therefore, we need to make adjustments to the multi--cable-force of cable--stayed bridge which is under construction. This paper presents the method for identification of the main girder segment weight,, as well as the schemes of multi-cable--force adjusting for this cable-stayed bridge.
出处
《中国科技信息》
2012年第18期68-69,共2页
China Science and Technology Information
关键词
斜拉桥
超重系数
多索力调整
cable-stayed bridge
overweight parameter
multi- cable-force acjustment
