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Abstract:
对4种常用加固方法加固的矩形截面钢筋混凝土梁的抗弯性能进行了对比试验研究.通过10根混凝土梁的抗弯加固试验,研究碳纤维布(carbon fiber sheet,CFS)、非预应力与预应力钢绞线和黏钢加固RC梁的受弯破坏特征,探讨4种加固方法对梁开裂荷载、屈服荷载、极限承载力和延性的影响,比较各种加固梁的裂缝扩展、挠度和刚度变化.研究表明:1)相比未加固梁,CFS、非预应力与预应力钢绞线和黏钢加固梁的开裂荷载分别提高了27.8%、59.7%、94.4%和73.6%;屈服荷载分别提高了12.4%、26.1%、36.2%和37.6%;极限承载力分别提高了48.0%、71.1%、74.6%和75.6%...
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Source :
北京工业大学学报
Year: 2013
Issue: 02
Volume: 39
Page: 208-213
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 5
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