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（1 東南大學(xué)土木工程學(xué)院，南京 210096；2 徐州工程學(xué)院，徐州 221018）

[摘要]  鋼-混凝土組合結(jié)構(gòu)在國內(nèi)外工程中應(yīng)用越來越廣泛，栓釘連接件是保證鋼梁和混凝土面板共同工作的關(guān)鍵部件，因此在組合結(jié)構(gòu)中連接件的性能至關(guān)重要。在鋼-混凝土組合梁橋的長期使用中，結(jié)構(gòu)需要承受車輛動(dòng)荷載作用，因此合理地進(jìn)行組合梁的疲勞設(shè)計(jì)，以保證橋梁結(jié)構(gòu)不發(fā)生破壞顯得尤為重要。主要通過對國內(nèi)外已有研究的總結(jié)，簡單介紹了栓釘連接件的鋼-混凝土組合結(jié)構(gòu)中疲勞問題的主要研究內(nèi)容，包括疲勞破壞模式，疲勞壽命預(yù)測，疲勞損傷理論，疲勞性能影響因素。

[關(guān)鍵詞]  鋼-混凝土組合結(jié)構(gòu)；栓釘連接件；疲勞

中圖分類號：TU398.9     文獻(xiàn)標(biāo)識碼：A     文章編號：

A research about fatigue behavior of steel-concrete composite beams with stud connectors

Chen Leilei^1,2, Wang Jingquan¹, Yin Huiguang²

(1 School of Civil Engineering, Southeast University, Nanjing 210096, China;

2 Xuzhou Institute of Technology, Xuzhou 221018, China)

Abstract: The steel-concrete composite structure is more and more widely used at home and abroad and stud connector is the key components to guarantee the steel beam and concrete slab to work together, so that the performance of stud connector is very important in the composite structure. The structures need to sustain vehicle dynamic load in the long-term use of steel and concrete composite bridge, so it is particularly important to determine the fatigue design of composite beams reasonably to guarantee the bridge structure to be safe. Domestic and foreign researchs were mainly summarized in order to introduce the research status about fatigue problems of composite structures with stud connectors, which include fatigue failure mode, the prediction of fatigue endurance, fatigue damage theory and the influencing factors of fatigue performance.

Keywords: Steel-concrete Composite Structures; Stud Connectors; Fatigue

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