根据GBJ10——89，提出了双向受弯构件正截面承载能力计算方法。
According to GBJ10-89, computational method of load-bearing capacity for normal section of bi-directional bended components is presented.
当配筋特征值不大于0.2时，承载能力极限状态下碳纤维片材的拉应变可以接近或超过允许拉应变，因此可以有效地对受弯构件正截面承载力进行加固；
When the ratio not more than 0.2, CFRP tensile strain can reach or exceed the permissible strain at ultimate capacity state, and therefore CFRP can work efficiently.
另外，现行的公路桥涵设计规范，在对桥梁受弯构件承载能力计算中采用了一些基本假定，导致计算结果过于保守。
Besides, the current bridge and culvert design criterion takes some basic postulation during the calculation of the bridge's member in bending, which results in over-conservative numeric value.
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