- 摘 要
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(同濟大學(xué)結(jié)構(gòu)工程與防災(zāi)研究所 上海 200092)
【提要】 完成了3個碳纖維布加固鋼筋混凝土梁的疲勞試驗，2個加固梁的靜載試驗以及對比試驗各1個。疲勞荷載試驗表明,用碳纖維加固鋼筋混凝土梁正截面有較好的效果，能提高梁的耐疲勞性能，碳纖維的疲勞驗算可采用現(xiàn)行規(guī)范的方法進行，并提出了相應(yīng)的設(shè)計方法。
【關(guān)鍵詞】 碳纖維布 加固 疲勞 設(shè)計
Design Method of RC Beam Confined with CFRP Sheets Under Bending Moment According to Fatigue Behavior/Chen Yongxiu, Lu Zhoudao (State Key Laboratory for Disaster Reduction in Civil Eng.，Tongji Univ.，Shanghai 200092，China)
Abstract:Four reinforced concrete beams bonding carbon fiber sheets are tested under bending moment according to fatigue behavior.The result shows that, strengthening beams with CFRP sheets can increase the fatigue bearing capacity of the beam under bending moment,and the relative code can be used to calculate the fatigue capacity. The design method of fatigue bearing capacity of normal section is established.
Keywords: carbon fiber sheet; strengthening; fatigue; design
