Experiments on Hybrid Precast Concrete Shear Walls Emulating Monolithic Construction with Different Amounts of Posttensioned Strands and Different Debond Lengths of Grouted Reinforcements

Table 1

Tensile properties of steel materials.

Characteristics	15.24 mm diameter posttensioned strand	16 diameter bar	10 diameter bar	8 diameter stirrup
Area, mm^2 (in.^2)	140 (0.22)	201.1 (0.31)	78.5 (0.12)	50.3 (0.08)
Yield strength, MPa (ksi)	1650 (239.25)	438 (63.51)	430 (62.35)	451 (65.4)
Strain at yield strength, %	0.85	0.31	0.36	0.43
Peak strength, MPa (ksi)	2050 (297.25)	620 (89.9)	557 (80.77)	618 (89.61)
Strain at peak strength, %	5.6	15	12	7.7
Elongation, %	5.6	19	14.3	10.8