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科技导报  2014 

钢筋混凝土桥面板保护层厚度对冲切强度的影响

DOI: 10.3981/j.issn.1000-7857.2014.36.015, PP. 93-97

Keywords: 钢筋混凝土桥面板,冲切强度,保护层厚度,压缩强度,有效板厚

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Abstract:

目前在筋混凝土桥面板冲切破坏机理的研究中,多数国家规范用冲切强度计算公式均未将保护层厚度作为计算参数。为揭示钢筋混凝土桥面板抗拉侧保护层厚度对其静力冲切强度的影响规律,采用中国规范用公式、Matsui公式及自行推导公式,对16块不同保护层厚度的钢筋混凝土板试件的理论强度进行计算,通过比对3个公式的计算结果与实验结果的差异,分析了保护层厚度对混凝土板的作用机理,并对自行前期推导的计算公式进行评价、完善,提出新的采用保护层作用系数的计算方法。算例的比较结果表明,新提出的钢筋混凝土板冲切强度计算公式适用范围较广且精度得以提高。

References

[1]  Concrete Committee of Japan Society of Civil Engineers. Standard specification for concrete structures 2007[S]. Tokyo: Japan Society of Civil Engineers, 2010.
[2]  Isamu Y, Atsushi O, Yail K, et al. A composite deck having transverse stiffeners bonded with a cementations adhesive subjected to movingwheel fatigue[J]. Journal of Bridge Engineering, ASCE, 2013, 18(9): 848-857.
[3]  中华人民共和国住房和城乡建设部. GB50010—2010混凝土结构设 计规范[S]. 北京: 中国建筑工业出版社, 2010. Ministry of Housing and Urban-Rural Development of the People's Republic of China. GB50010-2010 code for design of concrete structures[S]. Beijing: China Architecture and Building Press, 2010.
[4]  Shigeyuki M. Review of researches and technologies on highway bridge decks and contribution of whee running machines[C]//JSCE Proceeding of 5th Symposium on Decks of Highway Bridges. Oosaka: Japan Society of Civil Engineers, 2006: 1-12.
[5]  Concrete Committee of Japan Society of Civil Engineers. Standard specification for concrete structures-2007 [S]. Tokyo: Japan Society of Civil Engineers, 2010.
[6]  黄艳娇, 朱暾. 混凝土保护层厚度与结构设计使用年限[J]. 混凝土, 2004(10): 58-59. Huang Yanjiao, Zhu Tun. Concrete cover thickness and the using period of structure design[J]. Concrete, 2004(10): 58-59.
[7]  American Concrete Institute Committee 318. ACI 319-08: Building code requirements for structural concrete (ACI318-08) and commentary[S]. Michigan: American Concrete Institute, 2008.
[8]  杨秋宁, 毛明杰. 轻骨料预应力混凝土板冲切强度的研究[J]. 混凝土, 2010(6): 115-117. Yang Qiuning, Mao Mingjie. Punching shear strength of prestressed slabs with light weight aggregate[J]. Concrete, 2010(6): 115-117.
[9]  Hamada S, Yang Q, Mao M. Evaluation of punching shear strength of reinforced concrete slabs based on database[J]. Journal of Advanced Concrete Technology, 2008, 6(1): 205-214.
[10]  Yang Q. A rational equation of the punching shear strength for reinforced concrete slabs based ondata base[D]. Yamaguchi: Yamaguchi University, 2008.
[11]  王春生, 周江, 缪文辉. 混凝土桥面板耐久性计算与影响参数分析[J]. 桥梁建设, 2012, 42(6): 49-53. Wang Chunsheng, Zhou Jiang, Miao Wenhui. Calculation and influential parameter analysis of durability of concrete bridge deck slabs[J]. Bridge Construction, 2012, 42(6): 49-53.

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