CAJ | 학술논문

锈蚀钢筋会引起构件承载能力下降，为了提高构件承载力保证其完成预定的使用功能，需对其进行加固处理。结合锈蚀钢筋混凝土构件和预应力CFRP布加固后构件的受力特征，在相关试验研究的基础上，运用受力平衡方程，推导了锈蚀钢筋屈服、混凝土压碎及预应力CFRP布拉断等状态下的承载力计算公式，并将理论结果与试验结果进行了对比，吻合较好，可以用于指导工程实践。
수식강근회인기구건승재능력하강，위료제고구건승재력보증기완성예정적사용공능，수대기진행가고처리。결합수식강근혼응토구건화예응력CFRP포가고후구건적수력특정，재상관시험연구적기출상，운용수력평형방정，추도료수식강근굴복、혼응토압쇄급예응력CFRP포랍단등상태하적승재력계산공식，병장이론결과여시험결과진행료대비，문합교호，가이용우지도공정실천。
〔Abstract〕 Corrosion of reinforcing bars may reduce the ultimate bending capacity of members. In order to improve the ultimate bending capacity, it is necessary to strengthen treatment to ensure the members fin-ished the intended function. Basic on the relevant experimental study, the mechanics characteristic corroded reinforced concrete and prestressed CFRP sheets strengthened members were combined. Using force equi-librium equation, the calculated formula of bending capacity under the state which is corroded bars yielding, concrete crushing, prestress CFRP sheets breaking, and etc. were deduced. The theoretical results which de-rived by the formula were compared to the test results. The comparisons of results are well consonant, which can be used to guide the engineering practice.