Bond Stress between Steel-Reinforced Bars and Fly Ash-Based Geopolymer Concrete

Table 4

Data sheet of the strain gauge.

Series no.	EA-06-050-SB-120/P
Description	Constantan foil in combination with a tough, flexible, polyamide backing
Strain range	±3%
Temperature range	–75°C to +175°C
Resistance	120 Ω ± 0.15%
Gauge length	1.57 mm
Overall length	2.9 mm
Grid width	1.57 mm
Overall width	1.57 mm
Matrix length	6.6 mm
Matrix width	4.1 mm