摘要
泰州长江公路大桥中塔墩基础采用沉井结构。由于荷载分布的不确定性和施工因素的影响,对下沉过程中沉井结构内部应力应变及整体稳定性进行监控十分重要。文章详细介绍了沉井刃口反力、侧壁摩阻力、井壁与土的摩阻力、锚缆力的监测方案,为沉井基础的安全施工提供了及时、准确的预报预警信息,确保了工程施工顺利进行。
The pier foundation of middle tower of Taizhou Yantze river using caisson structure. It is important to monitor the inner stress and strain of cassion structure as well as whole stability in sinking process. This paper introduces the monitoring method of cassion cuting edge reaction, side friction, friction between shaft lining and soil, anchor cable force. The monitoring provide timely and accurate early warming information for safe construction of cassion foundation and ensure the construction carried smoothly.
出处
《现代交通技术》
2009年第2期58-61,共4页
Modern Transportation Technology
关键词
泰州大桥
沉井
应力应变
监控
Taizhou bridge
caisson
stress and strain
monitor and control
