Fatigue reinforcement of steel elements by CFRP materials: experimental evidence, analytical model and numerical simulation

被引：8

作者：

Colombia, Pierluigi ^{[1
]}

Fava, Giulia ^{[1
]}

Poggi, Carlo ^{[1
]}

Sonzogni, Lisa ^{[1
]}

机构：

[1] Politecnico Milano, Dept Architecture, Built Environm & Construct Engn ABC, Milan, Italy

来源：

XVII INTERNATIONAL COLLOQUIUM ON MECHANICAL FATIGUE OF METALS (ICMFM17) | 2014年 / 74卷

关键词：

Fatigue lifetime; prepreg CFRP wraps; pultruded CFRP strips; SENT specimen;

D O I：

10.1016/j.proeng.2014.06.284

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Carbon Fiber Reinforced Polymer (CFRP) composites have been proven to be effective in extending the fatigue life of cracked steel members. Fatigue tests were executed on cracked steel plates (single edge specimen) reinforced by strips bonded to a single side. Different patch configurations, reinforcement thicknesses and initial damage levels were investigated. CFRP materials bonded around the tip area extend the fatigue life of the damaged steel elements. The stress intensity factor of the reinforced elements was evaluated through FEM. Finally the fatigue crack propagation curves were evaluated by integration of the Paris law and compared to the experimental data. (C) 2014 Elsevier Ltd.

引用

页码：384 / 387

页数：4

共 6 条

[1] Analysis of cracked steel members reinforced by pre-stress composite patch [J].

Colombi, P ;

Bassetti, A ;

Nussbaumer, A .

FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES, 2003, 26 (01) :59-66

[2] Prediction of fatigue life for CFRP-strengthened steel plates [J].

Liu, Hongbo ;

Xiao, Zhigang ;

Zhao, Xiao-Ling ;

Al-Mahaidi, Riadh .

THIN-WALLED STRUCTURES, 2009, 47 (10) :1069-1077

[3] Experimental and numerical study of the fatigue behaviour of composite patch reinforced cracked steel plates [J].

Tsouvalis, Nicholas G. ;

Mirisiotis, Lazarus S. ;

Dimou, Dimitris N. .

INTERNATIONAL JOURNAL OF FATIGUE, 2009, 31 (10) :1613-1627

[4] Effect of FRP Configurations on the Fatigue Repair Effectiveness of Cracked Steel Plates [J].

Wang, Hai-Tao ;

Wu, Gang ;

Wu, Zhi-Shen .

JOURNAL OF COMPOSITES FOR CONSTRUCTION, 2014, 18 (01)

[5] Fatigue Tests of Cracked Steel Plates Strengthened with UHM CFRP Plates [J].

Wu, Chao ;

Zhao, Xiao-Ling ;

Al-Mahaidi, Riadh ;

Emdad, Mohammad R. ;

Duan, Wenhui .

ADVANCES IN STRUCTURAL ENGINEERING, 2012, 15 (10) :1801-1815

[6] State-of-the-art review on FRP strengthened steel structures [J].

Zhao, Xiao-Ling ;

Zhang, Lei .

ENGINEERING STRUCTURES, 2007, 29 (08) :1808-1823

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