有粘结预应力BFRP筋混凝土梁受弯性能理论研究  

Theoretical Study on Flexural Behavior for Pre-tension Prestressed Concrete Beams with BFRP Tendons

作　　者：甘怡[1] 江世永[2] 飞渭[3] 石钱华 胡显奇 

机构地区：[1]第三军医大学校务部,重庆400030 [2]后勤工程学院训练部,重庆401311 [3]后勤工程学院军事建筑工程系,重庆401311 [4]浙江石金玄武岩纤维有限公司,浙江322118

出　　处：《后勤工程学院学报》2011年第2期7-12,17,共7页Journal of Logistical Engineering University

基　　金：重庆市科技攻关资助项目(CSTC,2007AC7049)

摘　　要：玄武岩纤维筋是一种新型复合材料，在国防和特殊建筑工程领域具有重要的应用价值。对不同预应力度的3根有粘结预应力BFRP筋混凝土试验梁进行理论研究，初步探讨和建立预应力BFRP筋混凝土梁的破坏模式判别、正截面受弯承载力、短期刚度、平均裂缝间距、平均裂缝宽度的计算方法，理论计算值与试验结果吻合较好，为建立新型预应力BFRP筋混凝土梁的正截面受弯理论提供一定的参考价值。Basalt fiber reinforced polymer（BFRP） tendon is a new type of advanced composite material ,which plays an important role in the field of military and special construction. On the basis of theoretical study on prestressed concrete beams reinforced with bonded BFRP tendons, born with different degrees of prestressing, the calculation method of failure modes discriminant, flexural capacity, short-term stiffness, average crack spacing, and crack widths is preliminarily discussed and established. Theoretical calculation shows agreement with the experimental results. The theoretical study provides a certain reference value for establishment of flexural theory of a new type prestressed concrete beams reinforced with BFRP tendons.

关 键 词：BFRP筋 部分预应力 受弯性能 理论研究 

分 类 号：TU377.9[建筑科学—结构工程]