山西建筑
山西建築
산서건축
SHANXI ARCHITECTURE
2012年
3期
44-45
,共2页
FRP%裂纹钢板%应力强度因子%有限元
FRP%裂紋鋼闆%應力彊度因子%有限元
FRP%렬문강판%응력강도인자%유한원
FRP%steel plate with cracks%stress intensity factor%finite element
对单面粘贴FRP的带裂纹钢板进行了线弹性断裂力学分析,研究了裂纹尖端的应力强度因子变化,分析结果表明,经过FRP加固后,钢板的应力强度因子显著降低;随着FRP刚度的增加,应力强度因子逐渐减小。
對單麵粘貼FRP的帶裂紋鋼闆進行瞭線彈性斷裂力學分析,研究瞭裂紋尖耑的應力彊度因子變化,分析結果錶明,經過FRP加固後,鋼闆的應力彊度因子顯著降低;隨著FRP剛度的增加,應力彊度因子逐漸減小。
대단면점첩FRP적대렬문강판진행료선탄성단렬역학분석,연구료렬문첨단적응력강도인자변화,분석결과표명,경과FRP가고후,강판적응력강도인자현저강저;수착FRP강도적증가,응력강도인자축점감소。
This paper analyzes linear elastic fracture mechanics of single FRP pasting steel plate with cracks,and studies the change of stress intensity factor at the top of cracks.Analytical results show that： after the reinforcement with FRP,the stress intensity factor of steel plate obviously reduces;with the increasing of FRP intensity,the stress intensity factor gradually reduces.
