JPKic 箱构试原黑 Main content of this chapter ● With a longitudinal axis of steel stirrups and the general failure mode of compression members,bearing capacity; Longitudinal and spiral reinforcement with stirrups failure modes of axial compression members,bearing capacity; The concept of stability factor and its influencing factors; Analysis of the core concrete strength and strength calculation; Ordinary hoops column,spiral column reinforcement stirrup features and construction requirements Main content of this chapter ● With a longitudinal axis of steel stirrups and the general failure mode of compression members, bearing capacity; ● Longitudinal and spiral reinforcement with stirrups failure modes of axial compression members, bearing capacity; ● The concept of stability factor and its influencing factors; ● Analysis of the core concrete strength and strength calculation; ● Ordinary hoops column, spiral column reinforcement stirrup features and construction requirements