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山东大学学报 (工学版) ›› 2021, Vol. 51 ›› Issue (1): 39-45.doi: 10.6040/j.issn.1672-3961.0.2020.387

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剪跨比对插槽式连接空心管墩抗震性能影响

苏思博1,王国清1,贾献卓2,李志聪3,黄志刚1   

  1. 1. 河北工业大学土木与交通学院, 天津 300401;2. 北京工业大学城市建设学院, 北京 100022;3. 河北省交通规划设计院, 河北 石家庄 050011
  • 出版日期:2021-02-20 发布日期:2021-03-01
  • 作者简介:苏思博(1994— ),男,河北石家庄人,硕士研究生,主要研究方向为桥梁结构.E-mail:645006713@qq.com

Influence of shear span ratio on seismic performance of hollow pipe pier with slot connection

SU Sibo1, WANG Guoqing1, JIA Xianzhuo2, LI Zhicong3, HUANG Zhigang1   

  1. 1. School of Civil Engineering and Transportation, Hebei University of Technology, Tianjin 300401, China;
    2. College of Architecture and Civil Engineering, Construction, Beijing University of Technology, Beijing 100022, China;
    3. Hebei Province Traffic Planning and Design Institute, Shijiazhuang 050011, Hebei, China
  • Online:2021-02-20 Published:2021-03-01

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摘要： 为研究剪跨比对插槽式连接空心管墩抗震性能的影响,基于荣乌新线高速公路桥梁工程,借助ABAQUS有限元分析软件,对3种不同剪跨比的插槽式连接空心管墩进行数值模拟,制作插槽式连接管墩足尺模型开展恒定轴力作用下的水平循环荷载试验研究,验证了有限元模型的可靠性。结果表明:3种不同剪跨比的管墩模型的破坏模式分别为剪切破坏、弯剪破坏和弯曲破坏。随着剪跨比的增加,管墩的滞回性能、耗能能力与延性性能得到明显的提升,但其承载能力与残余位移变化不大,初始刚度得到加强,但最终的破坏刚度基本一致。

关键词: 结构工程, 插槽式, 剪跨比, 数值模拟, 抗震性能

Abstract: In order to study the influence of shear span ratio on seismic performance of slotted pipe pier with grouted core, based on the bridge engineering of Rongwu New Line Highway, ABAQUS finite element analysis software was used to simulate three kinds of slotted connection pipe pier with different shear span ratio, and the full-scale model of slotted connection pipe pier were made, and the horizontal cyclic load test under constant axial force was carried out to verify the reliability of the finite element model. The results showed that the failure modes of three different shear span ratios were shear failure, bending shear failure and bending failure. With the increase of shear span ratio, the hysteretic performance, energy dissipation capacity and ductility performance of the pipe pier had been significantly improved, but its bearing capacity and residual displacement had little change, the initial stiffness had been strengthened, but the ultimate failure stiffness were basically the same.

Key words: structural engineering, slot type, shear span ratio, numerical simulation, seismic performance

中图分类号: 

  • TU317.1
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