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对 4根普通钢筋混凝土梁和 3根预应力混凝土梁进行了加固后的弯曲试验研究。试验结果表明 ,碳素纤维布可明显提高梁的正截面抗弯承载力。提出的加固后混凝土梁的正截面抗弯承载力计算公式 ,计算值与试验值吻合较好。
The bending tests of four common reinforced concrete beams and three prestressed concrete beams were carried out. The test results show that carbon fiber cloth can obviously improve the flexural capacity of beam in normal section. The calculated formula of flexural capacity of normal section of reinforced concrete beam proposed is in good agreement with the experimental value.