Seismic Behavior of Short Concrete Columns with Prestressing Steel Wires

Table 1

Test parameters.

Specimen; number	Design axial compression ratio 𝑛	Strands spacing (mm)	𝜆sw	𝛼
PZ1	0.81	—	—	—
PZ2	0.81	30	0.237	0
PZ3	0.81	30	0.237	0.30
PZ4	0.81	30	0.237	0.40
PZ5	0.81	30	0.237	0.50
PZ6	0.60	60	0.119	0.40
PZ7	0.81	60	0.119	0.50
PZ8	0.90	90	0.079	0.65