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Table 3 Specification of circular and rectangular column specimens (similarity, 1:6).

From: Experimental Seismic Structural Performance Evaluations of RC Columns Strengthened by Stiff-Type Polyurea

Quality

Target column

Circular cross-sectional column specimen

Similarity

Rectangular cross-sectional column specimen

Section (mm)

Diameter

Diameter

 

Length × breadth

1200

600

2

540 × 680

Height (mm)

6100

1025

5.95

1025

Axial load (ton)

155

4.305

6

4.305

Longitudinal reinforcing bar (mm)

D25 = 25.4

D10 = 9.53

2.66

D10 = 9.53

Ratio of reinforcement

0.016129

0.01817

0.88, 0.90

0.01801

Hoop reinforcing bar (mm)

D13 = 12.7

D10 = 9.53

1.33

D10 = 9.53

Spacing of hoop (mm)

S = 300

S = 75

4

S = 75