苏州河水闸边墩沉井沉放影响分析与对策

在简要介绍苏州河水闸边墩沉井结构和施工方案基础上,从工程施工条件、地质条件、工程结构和功能要求等方面分析影响沉井沉放控制的因素,并论证沉井沉放适宜的质量控制允许偏差,建议不同方向采用不同的控制标准。从下沉速度控制、高差控制、水平位移控制、倾斜控制和水平扭转控制等多方面提出沉井下沉沉放达标控制的合理措施,并评价沉放控制标准与措施效果。

Analysis and Countermeasure of Sinking Influence of Sunk Well of Side Pier of Sluice in the Suzhou River

On the basis of brief introduction of sunk well structure and construction option of the side pier of sluice in the Suzhou River in the aspects such as the project construction conditions, geological condition, project structure and function requirements etc. the paper analyzes the factor that influences on the sinking control of sunk well and proves the allowable variation of the quality control available for sinking of sunk well and suggests that different direction shall use different control standard. It also puts forward the reasonable measures for reaching standard control of sunk well sinking in several aspects such as the control of sinking speed, the control of difference in elevation, horizontal displacement control, inclined control and horizontal twisting control etc.. At the same time, it evaluates the sinking control standard and measure effect.