Comparative Investigation on Torsional Behaviour of RC Beam Strengthened with CFRP Fabric Wrapping and Near-Surface Mounted (NSM) Steel Bar

Table 5

Sikadur®-30 LP (two-part epoxy impregnation resin).

Appearance and colours	Part A: white; Part B: black; parts A + B: light grey
Density (at 23°C)	∼1.65 kg/lt (parts A + B)
Mixing ratio	Part A : B = 3 : 1 by weight or volume
Layer thickness	30 mm max
Open time	90 minutes (at +25°C)
Viscosity	Pasty, not flowable
Service temperature	–40°C to +45°C (when cured at >+23°C)
Tensile strength	15 MPa to 18 MPa (when cured for seven days at +23°C)
Shear strength	17 MPa to 21 MPa [+40°C to +55°C (7 days)]