JPKIC Focus of this chapter: 结构设计原理 The principle of structure design bias components are the mechanical characteristics of cross sections and two failure modes, Boundaries and determine the size of bias conditions; Familiar with eccentric compression ofthe second-ordereffect and calculation; Eccentric rectangular cross-section bearing capacity of compression members is calculated, Including the formula,the formula of the applicable conditions of reinforcement and non-symmetrical Design and reinforcement of the cross-section symmetrical cross section for review; OI-shaped,T shaped eccentric compression AND CIVIL ENGINEERING Calculation method; OCircularsectioneccentric compression member cross section design and review; OEccentric compression reinforcement of the structure and reasonable layout requirements. Focus of this chapter: ●bias components are the mechanical characteristics of cross sections and two failure modes, ●Boundaries and determine the size of bias conditions; Familiar with eccentric compression of the second-order effect and calculation; Eccentric rectangular cross-section bearing capacity of compression members is calculated, Including the formula, the formula of the applicable conditions of reinforcement and non-symmetrical ●Design and reinforcement of the cross-section symmetrical cross section for review; ●I-shaped, T shaped eccentric compression AND CIVIL ENGINEERING Calculation method; ●Circular section eccentric compression member cross section design and review; ●Eccentric compression reinforcement of the structure and reasonable layout requirements