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	高强度结构钢材Q460D的疲劳性能试验研究
	施刚 ; 张建兴 ; Shi Gang ; Zhang Jianxing
	2016-03-30 ; 2016-03-30
关键词	高强钢 疲劳 钢结构 S-N曲线 high strength steel fatigue steel structure S-N curve TU511.3
其他题名	FATIGUE TEST OF HIGH STRENGTH STEEL Q460D
中文摘要	为探讨钢结构设计规范中高强度结构钢材的疲劳设计条文,促进高强度钢材的更广泛应用,选用Q460D钢材并对其材料的疲劳性能进行研究。利用该种钢材试件进行轴向拉伸疲劳试验,并测得描述材料疲劳性能的S-N曲线。试验结果发现:该批次的Q460D钢材试件疲劳试验结果有很大的离散性。试验得出,Q460D钢材在200万次下的疲劳强度比由GB 50017—2003《钢结构设计规范》计算的值要大。; The fatigue performance of high strength steel was studied so as to discuss the relevant steel fatigue design provisions of the code for design of steel structures and help to promote the application of high strength steel in civil engineering. which provided data reference for following up research. A number of axial tensile fatigue tests by conventional test methods using Q460D plate specimens were conducted and the S-N curves attached to the fatigue performance were drawn. The test results showed that the fatigue performance of these Q460D steel specimens was very sensitive to the fatigue load and the data discreteness was considerable. The fatigue strength of Q460D under 2million times loading was greater than that calculate by Code for Design of Steel Structuares(GB 50017—2003).
语种	中文 ; 中文
内容类型	期刊论文
源URL	[http://ir.lib.tsinghua.edu.cn/ir/item.do?handle=123456789/148821]
专题	清华大学
推荐引用方式 GB/T 7714	施刚,张建兴,Shi Gang,等. 高强度结构钢材Q460D的疲劳性能试验研究[J],2016, 2016.
APA	施刚,张建兴,Shi Gang,&Zhang Jianxing.(2016).高强度结构钢材Q460D的疲劳性能试验研究..
MLA	施刚,et al."高强度结构钢材Q460D的疲劳性能试验研究".(2016).

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