管顶人孔井、测量塔的受力变形数值模拟及控制

某大型沉管工程的沉管艉端装有最高近42.2 m的人孔井和测量塔,其在浮运、安装过程中受到水流荷载、波浪荷载和风荷载的影响而存在受力变形。为了保证人孔井和测量塔的安全及测量塔的测量精度,对人孔井和测量塔的受力特性进行分析后,在人孔井和测量塔上添加抱箍结构,使其与测量塔呈刚性连接。

Simulation and control of manholes and force and deformation of measurement tower

At the end of every element of tunnel in a large tunnel engineering,there fit with nearly 42.2 m maximum height of manhole and measurement tower,which bear force by water load,wave load and wind load in transportation and placement.Adding a clamp structure to form a rigid connection with the measurement tower,we ensure the safety and accuracy.