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Table 3 Results of maximum loads in load transfer tests normailized by nominal tensile strengths of strands.

From: Load-Carrying Performance and Hydrostatic Tests of Encapsulated Anchor Systems for Unbonded Post-Tensioning Single-Strands

 

Hairpin bars (HP)

Remarks

None

D10

D13

D16

Horizontal backup bars (HB)

None

 

D13

1.89a

1.75b

2.06a

1.96b

1.82a

2.04b

HB located just in front of bearing plate

1.85a

1.70b

1.89a

1.88b

HB located inside hairpin or at equivalent location

D16

2.00a

2.17b

2.03a

2.04b

2.11a

2.05b

 
  1. Measured concrete strength at testing day.
  2. a20.0 MPa; b21.5 MPa.