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[1]李成林,方海,徐欣,等.钢桥面复材夹层板受弯性能试验与理论分析[J].南京工业大学学报(自然科学版),2018,40(01):106-113.[doi:10.3969/j.issn.1671-7627.2018.01.017]
 LI Chenglin,FANG Hai,XU Xin,et al.Experimental and theoretical analysis on flexural behavior of composite sandwich steel bridge deck[J].Journal of NANJING TECH UNIVERSITY(NATURAL SCIENCE EDITION),2018,40(01):106-113.[doi:10.3969/j.issn.1671-7627.2018.01.017]
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钢桥面复材夹层板受弯性能试验与理论分析()
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《南京工业大学学报(自然科学版)》[ISSN:1671-7627/CN:32-1670/N]

卷:
40
期数:
2018年01期
页码:
106-113
栏目:
出版日期:
2018-01-20

文章信息/Info

Title:
Experimental and theoretical analysis on flexural behavior of composite sandwich steel bridge deck
文章编号:
1671-7627(2018)01-0106-08
作者:
李成林方海徐欣刘伟庆
南京工业大学 土木工程学院,江苏 南京 211800
Author(s):
LI ChenglinFANG HaiXU XinLIU Weiqing
College of Civil Engineering,Nanjing Tech University,Nanjing 211800,China
关键词:
复合材料 钢-GW组合桥面板 换算截面法
Keywords:
composite material steel-GW composite bridge deck transformed-section method
分类号:
U443.33
DOI:
10.3969/j.issn.1671-7627.2018.01.017
文献标志码:
A
摘要:
提出了一类在钢板上粘贴格构增强木芯复合材料(GW)的桥面板,即钢-GW组合桥面板。研究了此类钢-GW组合桥面板的制作工艺,并对其进行四点弯曲试验。通过换算截面理论推导出钢-GW组合桥面板的组合刚度、最大挠度和应力计算公式,并将其弯曲性能理论计算值与试验结果进行对比,显示了很好的一致性。利用换算截面法研究分析了GW板的上下面板厚度、格构数量以及木芯种类对组合桥面板的组合刚度和跨中应力的影响关系。研究结果表明:钢板上粘贴GW板可以有效减小钢板表面应力和位移,降低开裂风险并大幅度提高钢板的屈服承载力以及刚度。
Abstract:
A new bridge deck combined steel plates with wood core composite material reinforced by GFRP lattice(GW)was proposed.The manufacture method of steel-GW composite bridge deck was researched.Composite stiffness calculation formula,the maximum deflection formula and stress formula of steel-GW composite bridge deck were deduced by the transformed section method.Excellent consistency of theoretical values of bending performance and experimental values of steel-GW composite bridge deck has been observed.According to the analysis results of parameters(the thickness of GW faceplates,the number of the GFRP grid and the kind of wood)of GW plate,the relationship between the above parameters and stiffness and mid-span stress of composite bridge deck was obtained.The results showed that GW plate stuck on the surface of steel plate can effectively decrease thesurface stress and displacement of steel plate,reduce the risk of cracking and improve bearing capacity and stiffness of steel plates substantially.

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备注/Memo

备注/Memo:
收稿日期:2017-06-01
基金项目:国家自然科学基金(51238003); 国家自然科学基金面上项目(51578285); 江苏省自然科学基金(BK20161545)
作者简介:李成林(1991—),男,河南新乡人,硕士,主要研究方向为复合材料结构; 方海(联系人),副教授,E-mail:fanghainjut@163.com.
引用本文:李成林,方海,徐欣,等.钢桥面复材夹层板受弯性能试验与理论分析[J].南京工业大学学报(自然科学版),2018,40(1):106-113..
更新日期/Last Update: 2018-01-18