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HRB400钢筋网片弯曲成形预测与回弹精度研究

STUDY ON THE PREDICTION OF BENDING AND FORMING OF HRB 400 STEEL MESH WITH REBOUND ACCURACY

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【Author】 XU kuan-kuan;ZHAO Gang;LI Dong-dong;HE Qiang-jian;ZHU Hui-jie;HubeiKey Laboratory of Mechanical Transmission and Manufacturing Engineering, Wuhan University of Science and Technology;Key Laboratory of Metallurgical Equipment and Control Technology, Wuhan University of Science and Technology, Ministry of Education;CCCC Second Harbor Engineering Company Limited;

【机构】武汉科技大学冶金装备及其控制教育部重点实验室；武汉科技大学机械传动与制造工程湖北省重点实验室；中交第二航务工程局有限公司；

【摘要】为研究电阻点焊而成的HRB400钢筋网片弯曲回弹特性，基于弹塑性弯曲回弹理论，建立了残余应力引起的钢筋网片弯曲回弹数学模型，通过控制变量法设计并制作多张钢筋网片试验件进行弯曲回弹试验，研究了弯曲半径、弯曲角度和持荷时间3种工艺变量对HRB400钢筋网片弯曲回弹角的影响规律。更多还原

【Abstract】 In order to study the bending resilience characteristics of HRB400 reinforcing mesh made by resistance spot welding, based on the elastic-plastic bending resilience theory, a mathematical model of bending resilience of reinforcing mesh caused by residual stress was established, and a number of test pieces of reinforcing mesh were designed and fabricated for bending resilience test through the control variable method, and the influence of three kinds of technological variables, such as the bending radius, bending angle and load-holding time on the bending resilience of HRB400 reinforcing mesh, on the bending angle and on the bending resilience of HRB400 reinforcing mesh, were investigated. The effect of bending angle on the bending resilience of HRB400 steel mesh is investigated.更多还原

【关键词】成形预测；数学模型；回弹角；钢筋网片；
【Key words】 forming prediction； mathematical model； rebound angle； reinforcing mesh；

【基金】国家自然科学基金项目（52175480）;湖北省重点研发计划项目（2021BAA202）

【文献出处】建筑技术 ,Architecture Technology , 编辑部邮箱 ,2023年24期

【分类号】TU511.32
【下载频次】12

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