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Table 8 Comparison of the punching shear capacity by proposed formula and current codes.

From: Structural Behavior of a Laterally Restrained Precast Reinforced Concrete Arch Deck Under Punching Shear Loading

Model

Predicted strength (kN)

Strength ratio, \({V}_{u,\mathrm{fea}}/{V}_{u, \mathrm{pred}}\)

\({V}_{u,\mathrm{fea}}\)

\({V}_{u,\mathrm{pro}}\)

\({V}_{u,\mathrm{khbd}}\)

\({V}_{u,\mathrm{aci}}\)

\({V}_{u,\mathrm{ec}2}\)

\({V}_{u,\mathrm{fea}}/{V}_{u,\mathrm{ pro}}\)

\({V}_{u,\mathrm{fea}}/{V}_{u,\mathrm{ khbd}}\)

\({V}_{u,\mathrm{fea}}/{V}_{u,\mathrm{ aci}}\)

\({V}_{u,\mathrm{fea}}/{V}_{u, ec2}\)

60%

782.0

720.5

629.3

581.3

649.3

1.09

1.24

1.35

1.20

80%

816.0

768.4

692.7

671.2

690.1

1.06

1.18

1.22

1.18

Standard AD (100%)

850.0

808.8

746.1

750.5

724.5

1.05

1.14

1.13

1.17

120%

884.0

84.2

792.9

822.1

754.6

1.05

1.11

1.08

1.17

140%

910.0

875.8

834.7

888.0

781.5

1.04

1.09

1.02

1.16

Mean

1.06

1.15

1.16

1.18

Standard deviation

0.02

0.05

0.11

0.01