Table 1: Design parameters of the specimens.

Specimen IDLongitudinal rebarDistributing rebarReinforcement ratio

B-1-14S10ϕ8@2000.5%
B-1-24S10ϕ8@2000.5%
B-1-34S10ϕ8@2000.5%
B-2-14S14ϕ8@2000.98%
B-3-14ϕ10ϕ8@2000.5%

1.4362 duplex stainless steel rebar.