test caisson 试验沉箱
A field test site was established, multi-channel FBG sensor arrays were also constructed to fit the caisson and its specific location was determined by finite element method.
进行现场实验，根据有限元分析，多通道光纤光栅传感阵列设计安装在沉井的合适位置。
Fiber Bragg Grating sensor networks were used to monitor root type caisson foundation strain parameters during a destructive static load test.
应用光纤光栅传感网络测量桥梁根式沉井在破坏性静载荷实验中的应力变化。
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