CAJ | 학술논문

基于现行混凝土结构设计规范中抗弯设计计算的基本原理，提出了嵌贴CFRP-PCPs复合筋加固混凝土梁截面延性的计算方法，并结合已做试验对其延性进行分析讨论。结果表明，CFRP筋有效预拉应变越大，其加固梁的延性系数逐渐减小；CFRP筋滞后应变越大，其加固梁的延性系数逐渐增大。
기우현행혼응토결구설계규범중항만설계계산적기본원리，제출료감첩CFRP-PCPs복합근가고혼응토량절면연성적계산방법，병결합이주시험대기연성진행분석토론。결과표명，CFRP근유효예랍응변월대，기가고량적연성계수축점감소；CFRP근체후응변월대，기가고량적연성계수축점증대。
Based on the fundamental theory of flexural design calculation of concrete structure ,a calculation method of cross section ductility of concrete beam strengthened with near surface mounted CFRP-PCPs was presented ,and analysis and discussion the ductility of concrete beams have been tested.The results showed that CFRP tendons effective pre-tensile strain greater ,the ductility factor of strength-ened beam decreased;CFRP tendons lagged strain greater,the ductility factor of strengthened beam increased.