Behavior of composite unreinforced masonry-fiber-reinforced polymer wall assemblages under in-plane loading

被引：56
|
作者：
Hamid, AA [1 ]
El-Dakhakhni, WW
Hakam, ZHR
Elgaaly, M
机构：
[1] McMaster Univ, Ctr Effect Design Struct, Philadelphia, PA 19104 USA
[2] Drexel Univ, Dept Civil & Architectural Engn, Philadelphia, PA 19104 USA
[3] Ain Shams Univ, Dept Struct Engn, Cairo, Egypt
[4] Bechtel Power Corp, Frederick, MD 21703 USA
来源：
JOURNAL OF COMPOSITES FOR CONSTRUCTION | 2005年 / 9卷 / 01期
关键词：
composite masonry; concrete masonry; fiber reinforced plastics; retrofitting; seismic hazard; shear walls;
D O I：
10.1061/(ASCE)1090-0268(2005)9:1(73)
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
An experimental investigation was conducted to study the in-plane behavior of face shell mortar bedded unreinforced masonry (URM) wall assemblages retrofitted with fiber-reinforced polymer (FRP) laminates. Forty-two URM assemblages were tested under different stress conditions present in masonry shear and infill walls. Tests included prisms loaded in compression with different bed joint orientation (on/off-axis compression), diagonal tension specimens, and specimens loaded under joint shear. The behavior of each specimen type is discussed with emphasis on modes of failure. strength and deformation characteristics. Results showed that the application of FRP laminates on URM has a great influence on strength. postpeak behavior, as well as altering failure modes and maintaining the specimen integrity. The retrofitted specimens reached compressive strength of 1.62-5.64 times that of their unreurofitted counterparts. depending on the bed joint orientation, and joint shear strength increased by eightfold.
引用
收藏
页码：73 / 83
页数：11
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