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木材-钢填板螺栓连接的承载能力试验研究
  • 期刊名称:江苏建筑, 2008年第4期,P17-19
  • 时间:0
  • 分类:TU366.2[建筑科学—结构工程]
  • 作者机构:[1]南京长江都市建筑设计股份有限公司,南京210002, [2]南京工业大学土木工程学院,南京210009, [3]山东省建筑设计研究院,济南250001
  • 相关基金:国家自然科学基金(50578075)资助项目.
  • 相关项目:新型复合木结构的结构性能及设计方法研究
中文摘要:

通过10根木梁的受弯试验,研究碳纤维布加固木梁的破坏特征、受力性能及承载力计算方法。试验结果表明,采取碳纤维布加固木梁,其承载力得到大幅度的提高,延性显著改善,加固前后截面应变均符合平截面假定。就碳纤维布加固木梁提出了相应的设计建议,可供工程实践参考。

英文摘要:

Through the flexural experiments on 10 timber beams, the failure pattern, structural behaviors and calculating method of ultimate strength of the beams strengthened by carbon fiber reinforced polymer (CFRP)are studied in this paper. The test results indicate that the ultimate load bearing capacity and the ductility of the timber beams is greatly enhanced after strengthened by CFRP,and the longitudinal strains of intact beams and strengthened beams are all consistent with the assumption of plane section. Finally, the design method and some suggestion for the CFRP strengthened timber beams are presented,which provide references for its engineering application.

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