Journal of Shandong University(Engineering Science) ›› 2021, Vol. 51 ›› Issue (1): 39-45.doi: 10.6040/j.issn.1672-3961.0.2020.387

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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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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

CLC Number: 

  • TU317.1
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