Advances in Civil Engineering / 2019 / Article / Fig 15

Research Article

Combined Application of Optical Fibers and CRLD Bolts to Monitor Deformation of a Pit-in-Pit Foundation

Figure 15

Horizontal strain curves measured by optical inclinometer tubes for the inner pit under different conditions: (a) X21 tube; (b) X22 tube; (c) X23 tube; (d) X24 tube.

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