某框架三层柱截面尺寸为300X300,柱净高3.6m,该柱在楼面处的箍筋加密区高度应为()mm


某框架三层柱截面尺寸为300X300,柱净高3.6m,该柱在楼面处的箍筋加密区高度应为()mm

A.400

B.500

C.600

D.700

正确答案:A