结构工程师2017,Vol.33Issue(2):10-18,9.
大断裂应变PET纤维布和旧牛仔布加固砖墙抗震性能试验研究
Experimental Study on Seismic Behaviour of Brick Masonry Wall Strengthened with PET and Used Jeans
摘要
Abstract
To improve the seismic performance of brick masonry structures without constructional column and ring beam,methods of strengthened brick masonry walls with large rupture strain PET FRP and old jeans were experimentally studied.Five full-size brick masonry walls were designed to investigate the performance of strengthened walls,including two reference walls and three strengthened walls.Experimental results indicated that strengthening brick walls with PET can improve the shear strength,deformability,ductility,stiffness and energy dissipation capacity of walls.Strengthening with PET could have been more effective if anchorage measures were enhanced.All mechanical properties of the PET reinforced unconfined wall exceeded the properties of the strengthened confined wall.Experimental results also indicated that strengthening with old jeans can improve the shear strength,deformability,stiffness and energy dissipation capacity of walls.Finally,the failure mechanism of strengthened tested walls was analyzed,the shear capacity equation was proposed,and the calculation results were in good accordance with test results.关键词
砖墙/加固/聚对苯二甲酸乙二醇酯(PET)/旧牛仔布/抗震性能Key words
brick masonry wall/strengthening/Polyethylene Terephthalate (PET)/used jeans/seismic performance引用本文复制引用
陈溪,许清风,王卓琳,李向民,陈玲珠..大断裂应变PET纤维布和旧牛仔布加固砖墙抗震性能试验研究[J].结构工程师,2017,33(2):10-18,9.基金项目
上海市优秀技术带头人计划(16XD1422400),上海市科委应用技术开发项目(2014-201) (16XD1422400)