金属学报  1997, Vol. 33 Issue (2): 175-186

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断裂力学法分析铆焊桥梁的安全性(英文)

W.Dahl;P.Langenberg

InstituteofFerrousMetallurgy;RWTHAachen;Germany;InstituteofFerrousMetallurgy;RWTHAachen;Germany

SAFETY ANALYSIS OF RIVETED BRIDGES BASED ON FRACTURE MECHANICS

W. Dahl and P. Langenberg(Institute of Ferrous Metallurgy; RWTH Aachen; Germany)

W.Dahl;P.Langenberg. 断裂力学法分析铆焊桥梁的安全性(英文)[J]. 金属学报, 1997, 33(2): 175-186.
, . SAFETY ANALYSIS OF RIVETED BRIDGES BASED ON FRACTURE MECHANICS[J]. Acta Metall Sin, 1997, 33(2): 175-186.

摘要 参考文献 相关文章 Metrics 全文: PDF(874 KB)   摘要: 本文介绍了一个分析铆焊桥梁安全性的简化方法根据新的有限元计算法，推导出一个含裂缝的桥梁的断裂负荷公式，从1890年至1930年间建造的铆焊桥梁材料中取样测定了400多个强度与断裂力学数据，做为断裂力学分析的原始输入数据.从长期服役的桥梁上以及未服役现代结构钢材（屈服强度350－890MPa）上取样，进行了大尺度样品测试，以评估该方法的正确性. 关键词 ： 断裂力学,  有限元法,  铆焊桥梁安全性     Abstract：A simplified method of safety analysis of riveted bridges based on fracture mechanics is presented in this paper First a new formula for the calculation of the fracture load of a brjdge member with an assumed crack. has been derived from new FEM-calculations.Second. a population of more than 400 experimental strength and fracture mechanic values derived from material taken from riveted bridges build between 1890 and 1930has been evaluated statistically to derive characteristic distributions as a basis for the material input data of the fracture mechanic concept. Third, large scale tests with oldbridge plates using the plane plate geometries described above bearing artificially pro-duced cracks have been carried out to verify the proposed method by comparing pre-dicted with experimental results. Fourth the new formula has been applied for modern structural steels with yield strength from 350 t0 890 MPa and large scale tests per-formed on the large sale testing machine at the Institute of Ferrous Metallurgy in sever-al research projects have re-evaluated to find out the quality of this approach. Key words： fracture mechanics    finite element simulation    safety of riveted bridge 收稿日期: 1997-02-18      服务 把本文推荐给朋友 加入引用管理器 E-mail Alert RSS 作者相关文章 W.Dahl P.Langenberg 44.8K 链接本文: https://www.ams.org.cn/CN/      或      https://www.ams.org.cn/CN/Y1997/V33/I2/175 1 W.Dahl, O.Schumann and G. Sedlacek, IABSE Workshop Remaining Fatigue Life Of Steel Structures Lausanne 1990, IABSE Report 59 (1990)31 3. 2 W.Hensen, Dissertation RWTH Aachen, 1992, Schriftenreihe Stahlbau RWTH Aachen, Heft 21. 3 J. Milne, R.A. Ainsworth, A.R. Dowling and A.T. Stewart. ICEGB-R/H/ R6 Rev.J, UK, 1986. 4 C.Beltrami, DLcsertation RWTH Achen, 1995, Berichte aus dem Institite fur Eisenhuttenkunde, Band 5,1995. 5 T.T.Shih, Eng. Fract. Mech. 13 (1980) 257. 6 K. Wallin, Statistic modelling in the ductile-to-brittle transitionregion, in Defectassesment in Components-Fundamentals and Aplications, LSIS. EGF9, eds. J. Blauel and K.H. Schwalbe(Mechenical Engineering Publications, London, 1991 ) 415. 7 J. Heerens, U. Zerbst and K. H. Schwalbe- Fatigue Fract. Eng. Mater. Struct. 16 (1993) 1213. [1] 李少杰, 金剑锋, 宋宇豪, 王明涛, 唐帅, 宗亚平, 秦高梧. “工艺-组织-性能”模拟研究Mg-Gd-Y合金混晶组织[J]. 金属学报, 2022, 58(1): 114-128. [2] 李学雄,徐东生,杨锐. 双相钛合金高温变形协调性的CPFEM研究[J]. 金属学报, 2019, 55(7): 928-938. [3] 朱瑞栋, 董文超, 林化强, 陆善平, 李殿中. CRH2A型动车组缓冲梁结构焊接残余应力的有限元模拟*[J]. 金属学报, 2014, 50(8): 944-954. [4] 张洪伟 张以都 吴琼. 喷丸强化过程及冲击效应的数值模拟[J]. 金属学报, 2010, 46(1): 111-117. [5] 赵达文 李金富. 相场法模拟动力学各向异性对过冷熔体中晶体生长的影响[J]. 金属学报, 2009, 45(10): 1237-1241. [6] 王鹏 董湘怀 傅立军. 基于全量理论的金属体积成形多步数值模拟[J]. 金属学报, 2009, 45(1): 124-128. [7] 张昭; 刘亚丽; 张洪武 . 轴向载荷变化对搅拌摩擦焊接过程中材料变形和温度分布的影响[J]. 金属学报, 2007, 43(8): 868-874 . [8] 张昭; 张洪武 . 焊接参数对搅拌摩擦焊接构件搅拌区材料融合的影响[J]. 金属学报, 2007, 43(3): 321-326 . [9] 王敏婷; 杜凤山; 李学通; 郑炀曾 . 楔横轧轴类件热变形时奥氏体微观组织演变的预测[J]. 金属学报, 2005, 41(2): 118-122 . [10] 岳珠峰 . 平头压痕蠕变损伤实验的有限元模拟分析[J]. 金属学报, 2005, 41(1): 15-. [11] 雷明凯; 徐忠成; 杨辅军; 高峰 . 高温合金氧化膜破坏的界面断裂力学分析[J]. 金属学报, 2004, 40(10): 1104-1108 . [12] 雷明凯; 罗鹏 . 钢渗硼表面残余应力的数值分析[J]. 金属学报, 2002, 38(1): 47-52 . [13] 马德军;徐可为;何家文. 测定金属薄膜屈服强度的纳米压入法研究[J]. 金属学报, 1998, 34(6): 661-666. [14] 周喆;匡震邦. 两相材料的弹塑性性质和计算模型分析[J]. 金属学报, 1997, 33(9): 903-911. [15] 孙雪坤;秦荣山;刘东民;周本濂. 界面性能对哑铃状短纤维增强复合材料增强效果的影响[J]. 金属学报, 1997, 33(7): 781-784. Viewed Full text Abstract Cited   Shared      Discussed