喷射GFRP加固砌体柱抗压承载力分析  

Compressive bearing capacity analysis of masonry columns strengthened by SGFRP

作　　者：张智[1] 谷倩[2] 

机构地区：[1]武汉工业学院土木工程与建筑学院,湖北武汉430023 [2]武汉理工大学土木工程与建筑学院,湖北武汉430070

出　　处：《湖南科技大学学报（自然科学版）》2013年第2期44-49,共6页Journal of Hunan University of Science And Technology：Natural Science Edition

基　　金：国家自然科学基金青年科学基金项目(50708084)

摘　　要：喷射玻璃纤维聚合物(SGFRP)加固8个砌体柱试件,分别进行轴心受压试验和偏心受压试验研究,描述了试验砌体柱的破坏形态,分析了喷射玻璃纤维聚合物抗压加固砌体柱的加固效果.试验结果表明:加固对砌体柱的极限承载能力有较大的提高.不同的喷射GFRP厚度、短切纤维长度以及是否贴玻璃纤维布对砌体柱的承载力也有一定的影响,通过对比不同加固方式与承载力的关系,提出合理的加固建议.文中还根据砌体柱的材料力学特征建立计算模型,并结合试验研究提出相应的受压承载力计算公式,为定量分析喷射GFRP加固砌体柱进行了探讨.8 masonry columns were strengthened by Sprayed Glass Fiber Reinforced Polymer （SGFRP） , and the experiments of eccentric compression and axial compression were presented. The failure mode and strengthening effects of the masonry columns strengthened by SGFRP were discussed. The results showed that the bearing capacity of the reinforcing columns increased greatly. Comparing the bearing capacity of the columns when the thickness of SGFRP, the length of fiber and whether paste class fiber cloth are different, some reasonable reinforce suggestions are proposed. In addition, a calculation model was created based on the mechanical characteristics of the material of masonry, and the compressive bearing capacity formula is proposed combining the experimental research. The work invesgated the effect of masonry columns strengthened by SGFRP quantitatively.

关 键 词：喷射玻璃纤维聚合物(SGFRP) 砌体柱 加固 抗压承载力 

分 类 号：TU362[建筑科学—结构工程] TU317.1