Research Article
Research on In Situ Stress Measurements in Reinforced Concrete Beams Based on the Core-Drilling Method
Table 4
Experimental measurements collected from the second beam.
| Drilling depth (mm) | 50 mm diameter front borehole (front 2-1) | Drilling depth (mm) | 50 mm diameter side borehole (side 2-1) | Drilling depth (mm) | 50 mm diameter side borehole (side 2-2) | 20AA strain (με) | 10AA strain (με) | 10AA strain (με) | 20AA strain (με) |
| 0 | −70 | −78 | 0 | −37 | 0 | −41 | 5 | −57 | −62 | 5 | −28 | 8 | −40 | 10 | −31 | −29 | 11 | −13 | 15 | −21 | 15 | −12 | −15 | 17 | −6 | 21 | −6 | 19 | −8 | −9 | 23 | −1 | 27 | −3 | 25 | −1 | −5 | 30 | 0 | 31 | 2 | 31 | −1 | 3 | 36 | 0 | 40 | 2 | 35 | 2 | 3 | 40 | 0 | | | 40 | 1 | 1 | | | | |
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