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Thesis p54 - temperature-induced apparent strain
Multiply temperature reading by alpha_alpha + alpha_n
former is fixed (19.47... given in thesis)
alpha_n depends on jacket (if fibre in free space) or concrete
see paper (alpha_concrete)
Program should convert strain % into microstrain
Work on differences from reference
- Load reference strain
- Load new strain
- take difference
- Load reference temperature strain
- Load new temperature strain
- take difference
- Compensate using _differences_ not absolute values
Join 2 datasets together to work around fibre break(s)
- 2 breaks => gap in middle of data!
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