RESEARCH AND APPLICATION OF SHEAR RESISTANCE OF FRICTION CONNECTION WITH HIGH STRENGTH BOLTS

HAN Tengfei; XU Gang; LI Liang; LI Xiaodong; XI Xiangdong

doi:10.13204/j.gyjzG201909120001

Volume 50 Issue 11

Mar. 2021

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HAN Tengfei, XU Gang, LI Liang, LI Xiaodong, XI Xiangdong. RESEARCH AND APPLICATION OF SHEAR RESISTANCE OF FRICTION CONNECTION WITH HIGH STRENGTH BOLTS[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(11): 133-136. doi: 10.13204/j.gyjzG201909120001

Citation:

HAN Tengfei, XU Gang, LI Liang, LI Xiaodong, XI Xiangdong. RESEARCH AND APPLICATION OF SHEAR RESISTANCE OF FRICTION CONNECTION WITH HIGH STRENGTH BOLTS[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(11): 133-136. doi: 10.13204/j.gyjzG201909120001

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RESEARCH AND APPLICATION OF SHEAR RESISTANCE OF FRICTION CONNECTION WITH HIGH STRENGTH BOLTS

doi: 10.13204/j.gyjzG201909120001

HAN Tengfei^1,2,
XU Gang^1,2,
LI Liang^{3
,
,},
LI Xiaodong^1,2,
XI Xiangdong^1,2

1. Central Research Institute of Building & Construction Co., Ltd., MCC Group, Beijing 100088, China;
2. Beijing Key Laboratory Research on Construction Inspection and Evaluation Technology, Beijing 100088, China;
3. Nuclear and Radiation Safety Center, Ministry of Enviromental Protection, Beijing 100082, China

Received Date: 2020-05-20
Available Online: 2021-03-31

Abstract

Abstract

The non-linear finite element model of high-strength bolts friction type connection is established by finite element software ABAQUS, and the accuracy and applicability of the finite element model are verified by experiments. Finally, the force-displacement curve simplified model of high strength bolt friction connection in friction and sliding stages is established. Its significance lies in:1)Providing structural analysis with more accurate simplified treatment method of joints, improving analysis efficiency on the premise of ensuring accuracy; 2)Applying simplified model to stress analysis of bolts connecting brake plate and bent column of crane girder, clarifying the actual stress situation of bolts and effectively solving bolt loosening problem.
- high-strength bolts friction type connection,
- force-displacement curve,
- simplified model,
- crane girder

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References(6)

References

中华人民共和国住房和城乡建设部. 钢结构设计标准:GB 50017-2017[S].北京:中国建筑工业出版社,2018. a-摩擦阶段;b-滑移阶段。图12不同螺栓直径和预紧力对应的滑移阶段最大位移(10.9级M20螺栓、芯板厚16 mm、盖板厚8 mm) Fig.12 Maximum displacement in slipping stage corresponding to different bolt diameters and pre-tightening forces Grade 10.9 M20 bolt, The thickness of core plate is 16 mm,The thickness of cover plate is 8 mm注:N_u=nμP,n为摩擦面数量;μ为抗滑移系数;P为预紧力。图13高强螺栓摩擦型连接的抗剪简化模型Fig.13 Simplified shear model for friction-type connections with high strength bolts

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