Research Article

Monitoring of Tidal Variation and Temperature Change-Induced Movements of an Immersed Tunnel Using Distributed Optical Fiber Sensors (DOFSs)

Table 2

Correlation of the joint opening with temperature (I1–I3).

I1D11D12D13D14D15I2D21D22D23D24D25I3

Dec17−0.62−0.20−0.63−0.32−0.41−0.30−0.08−0.59−0.29−0.48−0.38−0.56−0.06
Dec18−0.94−0.75−0.80−0.52−0.47−0.32−0.57−0.70−0.67−0.64−0.73−0.88−0.65
Dec19−0.86−0.56−0.76−0.68−0.69−0.57−0.61−0.77−0.78−0.74−0.79−0.90−0.68
Jun12−0.82−0.23−0.76−0.48−0.48−0.22−0.60−0.58−0.64−0.46−0.30−0.71−0.24
Jun13−0.86−0.56−0.78−0.59−0.58−0.54−0.70−0.67−0.73−0.62−0.61−0.72−0.40
Jun14−0.84−0.69−0.80−0.72−0.74−0.70−0.75−0.81−0.80−0.75−0.72−0.82−0.70