Research Article
Performance Deterioration of Heavy-Haul Railway Bridges under Fatigue Loading Monitored by a Multisensor System
Figure 5
Variation of material strain and its amplitude on the midspan during fatigue life (h denotes the depth of the sensor on the midspan section).
| (a) εc-N (concrete strain for specimen number 11) |
| (b) Δεc-N (h = 417.0 mm) |
| (c) εp-N (prestressed strand strain for specimen number 11) |
| (d) Δεp-N |
| (e) εs-N (steel rebar strain for specimen number 11) |
| (f) Δεs-N |