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St面 n 臓 te effects on strength and deformation perfbrmaiiee of reinforced concrete members were numehcally 血vestigated by the 飾 er model am 且 ysis under different curvatUre rate ( s廿 a血 rate )and axiat ft )rce leve 旦 s ． Relationships betWeen bendng mornent and curvatUre were compared With the experirnenta1 results under bOth static −and dynarnic loading ， and the incTease ratios ofi 血 t孟 al shf 翫 ess and streng 血 due to higher strain rate were analyzed ． Flexural strength could bc calculated by the fiber mOde 且analysis ansidering the strain rate effect under both static and dynamic 韮 oading ． F1ゆ 【ural streng 出 i 皿 creased and duσtility decreased with 止e 血 1crease of the stra 血 rate ， The increase ratios of 血 i廿al s廿αhess a皿 d nexural str 噸 血 depended on the levels ofaxial fbrce due to the higher stra 血 rate ，

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