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International Journal of Concrete Structures and Materials

Table 5 Axial compressive strength and buckling load of control specimens.

From: FRP Confinement of Heat-Damaged Circular RC Columns

Control specimens

F u

(kN)

P o

(kN)

E c

I

EI

(N·mm2)

P c

(kN)

CH0-A

CH0-B

989a

1484b

\( 4700\,\sqrt {f_{c}^{'} } \)

I g

4.52 × 1011

8616b

CH2-A

CH2-B

536

693

\( 2820\;\sqrt {f_{c}^{'} } \)

0.7I g

1.90 × 1011

3619

CH3-A

CH3-B

459

620

\( 2820\;\sqrt {f_{c}^{'} } \)

0.7I g

1.90 × 1011

3619

  1. a Numbers in this column represent the actual axial compressive strength (test value).
  2. b Numbers in this column are computed in accordance with ACI 318-14 (2014).
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