JPKIC 结构设计原理 Theprimepletstricturedesio S 6.1 with a longitudinal axis of the stirrup steel bar and the general compression member 4.Calculation of bearing capacity <Highway Bridge Specifications>,provides the force with a longitudinal axis of the stirrup steel bar and the general cross-section bearing capacity of compression members is calculated as ≤YoNa N=0.9ofaA+faA） Column ordinary hoops Calculation of bearing capacity and strength of sub-section design review two cases. 1)section design Given section size,length 10,axial compressive strength of concrete and steel design value of compressive strength,axial pressure combined design value,find the required area of longitudinal reinforcement. 2)Review Section Given section size,length 10,all cross-sectional area of longitudinal reinforcement,the axial compressive strength of concrete and steel design value of compressive strength,mix design value of axial force,find the section bearing capacity.4.Calculation of bearing capacity 《Highway Bridge Specifications》, provides the force with a longitudinal axis of the stirrup steel bar and the general cross-section bearing capacity of compression members is calculated as ≤ (6-3) Column ordinary hoops Calculation of bearing capacity and strength of sub-section design review two cases. 1) section design Given section size, length l0, axial compressive strength of concrete and steel design value of compressive strength, axial pressure combined design value, find the required area of ​longitudinal reinforcement. 2) Review Section Given section size, length l0, all cross-sectional area of ​longitudinal reinforcement, the axial compressive strength of concrete and steel design value of compressive strength, mix design value of axial force, find the section bearing capacity. 0 Nd  ( ) ' ' 0.9 u cd s d As N =  f A + f § 6.1 with a longitudinal axis of the stirrup steel bar and the general compression member