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传统的碳纤维加固技术对于钢梁承载能力的提高效果不明显,通过先张法在碳纤维布中施加预应力可显著提高钢梁的承载能力,给出了采用预应力碳纤维技术钢梁的极限承载力的计算公式,并结合有限元算例对此技术的效果进行了验证,结果表明采用预应力碳纤维加固法可显著提高钢梁的极限承载能力。
The traditional carbon fiber reinforced technology has not obvious effect on the bearing capacity of the steel beam. The prestressing method can increase the bearing capacity of the steel beam by the pretensioning method. The ultimate bearing capacity of the steel beam using prestressed carbon fiber technology The results show that the prestressed carbon fiber reinforced method can significantly improve the ultimate bearing capacity of the steel beam.