铁件加固技术在古建筑木结构中应用研究
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摘要
采用归纳分析及力学计算相结合的方法,研究了我国古建筑木结构工程中普遍采用的铁件加固技术。基于对数座古建筑的实际勘查及分析结果,研究了古建筑木结构采用铁件加固技术的分类及特点,客观地评价了加固效果,对不足之处提出了改进建议。结果表明:铁件加固技术可有效提高古建筑木结构的承载能力及刚度,但也存在加固件易锈蚀、不易更换且破坏木材的问题;另一方面,采取合理的铁件加固方式或者使用新的加固材料,将实现木结构有效保护。
To protect Chinese ancient buildings,the iron-strengthening techniques in Chinese ancient wooden buildings were studied by the classified and mechanical analysis.Based on the survey and analysis results on several ancient buildings,the classification and characters of strengthening techniques by iron were discussed,the strengthening results were evaluated and the feasible advices were proposed.The results show that the iron-strengthening techniques would be helpful for enhancing the strength as well as rigidity of Chinese ancient wood buildings,however,there also exist some shortcomings such as the corrosion of iron,the destruction of wood,the inconvenient maintenance for strengthening components and so on;On the other hand,the rational strengthening techniques by iron or new strengthening materials applied in Chinese ancient wooden buildings could solve the problems as mentioned above.
To protect Chinese ancient buildings,the iron-strengthening techniques in Chinese ancient wooden buildings were studied by the classified and mechanical analysis.Based on the survey and analysis results on several ancient buildings,the classification and characters of strengthening techniques by iron were discussed,the strengthening results were evaluated and the feasible advices were proposed.The results show that the iron-strengthening techniques would be helpful for enhancing the strength as well as rigidity of Chinese ancient wood buildings,however,there also exist some shortcomings such as the corrosion of iron,the destruction of wood,the inconvenient maintenance for strengthening components and so on;On the other hand,the rational strengthening techniques by iron or new strengthening materials applied in Chinese ancient wooden buildings could solve the problems as mentioned above.
引文
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[10]周乾.故宫太和殿藻井结构分析[J].古建园林技术,2009,(1):7-9.
[11]周乾,闫维明,李振宝,等.用于古建筑木结构中间跨榫卯节点的加固装置:中国,200920108277.0[P].2010-04-21.
[12]薛玉宝.用环氧树脂加固处理古建筑木构件的方法[J].古建园林技术,2009,(4):56-57.
[13]于业栓,薛建阳,赵鸿铁.碳纤维布及扁钢加固古建筑榫卯节点抗震性能试验研究[J].世界地震工程,2008,24(3):112-117.
[14]许清风,朱雷.CFRP维修加固局部受损木柱的试验研究[J].土木工程学报,2007,40(8):41-46.
[15]许清风,朱雷.内嵌CFRP筋维修加固老化损伤旧木梁的试验研究[J].土木工程学报,2009,42(3):23-28.
[2]周乾,闫维明,杨小森.汶川地震古建筑轻度震害研究[J].工程抗震与加固改造,2009,31(5):101-107.
[3]谢启芳,赵鸿铁,薛建阳.中国古建筑木结构榫卯节点加固的试验研究[J].土木工程学报,2008,41(1):28-34.
[4]王林安,樊承谋,付清远.应县木塔普柏枋和梁袱节点残损机理分析[J].古建园林技术,2008,(2):46-49.
[5]王璞子.工程做法注释[M].北京:中国建筑工业出版社,1995:279-281.
[6]白丽娟,王景福.古建清代木构造[M].北京:中国建材工业出版社,2007:204-205.
[7]张峰亮.天安门城楼角檐柱墩接技术研究及施工[J].古建园林技术,2004,(2):51-53.
[8]周乾,闫维明,纪金豹.汶川地震古建筑震害研究[J].北京工业大学学报,2009,35(3):330-337.
[9]周乾,闫维明.古建筑榫卯节点抗震加固数值模拟研究[J].水利与建筑工程学报,2010,8(3):23-27.
[10]周乾.故宫太和殿藻井结构分析[J].古建园林技术,2009,(1):7-9.
[11]周乾,闫维明,李振宝,等.用于古建筑木结构中间跨榫卯节点的加固装置:中国,200920108277.0[P].2010-04-21.
[12]薛玉宝.用环氧树脂加固处理古建筑木构件的方法[J].古建园林技术,2009,(4):56-57.
[13]于业栓,薛建阳,赵鸿铁.碳纤维布及扁钢加固古建筑榫卯节点抗震性能试验研究[J].世界地震工程,2008,24(3):112-117.
[14]许清风,朱雷.CFRP维修加固局部受损木柱的试验研究[J].土木工程学报,2007,40(8):41-46.
[15]许清风,朱雷.内嵌CFRP筋维修加固老化损伤旧木梁的试验研究[J].土木工程学报,2009,42(3):23-28.
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