Structural Health Monitoring of the Scaffolding Dismantling Process of a Long-Span Steel Box Girder Viaduct Based on BOTDA Technology

Figure 6

Strain diagrams of lines 1–4 in the early stage of the scaffolding removal. (a) Line 1. (b) Line 2. (c) Line 3. (d) Line 4.

(a)

(b)

(c)

(d)