JPKIC 结构设计原理 The principle of structure design -Gotmnsl,/h≤3oeonanieioma2otih9is8a2dhorthebngsiaeofthe .sMall lateral deflection,generally do not count the effects of column section failure is due to reach its ultimate strength of materials caused by,known as material damage. 5<30material damage,consider the second-order moment, reduce capacity u larger lateral deflection,the actual load eccentricity increases with load is non-linear increase in the control section of the final component is due to cross-section of material still to reach its ultimate strength and damage is material damage. ●Slender columns h30-unstable failure,avoid Great column slenderness ratio,the pressure reaches the maximum when the eccentricity,the lateral deflection of a sudden 24 surge,this time,bar the maximum carrying capacity is set out in its control plane strength of the material has not yet reached its breaking strength,this Damage type is called unstable failure. Projects generally should not be used slender column. l 0 / h  5 small lateral deflection, u generally do not count the effects of column section failure is due to reach its ultimate strength of materials caused by, known as material damage. 5  l 0 / h  30 u larger lateral deflection, the actual load eccentricity increases with load is non-linear increase in the control section of the final component is due to cross-section of material still to reach its ultimate strength and damage is material damage.  Slender columns Great column slenderness ratio, the pressure reaches the maximum when the eccentricity, the lateral deflection of a sudden surge, this time, bar the maximum carrying capacity is set out in its control plane strength of the material has not yet reached its breaking strength, this Damage type is called unstable failure. Projects generally should not be used slender column. u Columns --- material damage, without regard for the long side of the second order moment of the distance h --- material damage, consider the second-order moment, reduce capacity 30 --- unstable failure, avoid l 0 h 