Engineering Mechanics ›› 2019, Vol. 36 ›› Issue (3): 139-148.doi: 10.6052/j.issn.1000-4750.2018.01.0048

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ASEISMIC EXPERIMENTAL RESEARCH ON I-SHAPED PRECAST CONCRETE SHEAR WALLS WITH VERTICAL AND HORIZONTAL JOINTS

ZHU Zhang-feng1, GUO Zheng-xing2   

  1. 1. College of Civil Engineering, Nanjing Tech University, Nanjing, Jiangsu 211816, China;
    2. School of Civil Engineering, Southeast University, Nanjing, Jiangsu 210096, China
  • Received:2018-01-16 Revised:2018-06-27 Online:2019-03-29 Published:2019-03-16

Abstract: Two I-shaped precast concrete shear wall specimens with vertical and horizontal joints as well as two reference cast-in-place concrete specimens were prefabricated and tested under low-cycle reversed horizontal forces and different axial load ratios of 0.1 and 0.15. As for precast specimen, the horizontal joints were connected by rebars grouted in the metal bellows and the vertical joints were connected by part cast-in-place concrete settled at the web toe within 300 mm. The experimental results showed that precast specimens could obtain emulative aseismic performance to cast-in-place specimen. FEA models were built by ABAQUS and different detailing of part cast-in-place connections were involved. And the lateral rebars connecting precast concrete and cast-in-place concrete were analyzed in the aspect of stress. Based on the FEA results, the suggestions on the part cast-in-place connection detailing and lateral connection rebar configurations were proposed to get more efficient for practical engineering.

Key words: shear walls, grouted connection, joints, seismic performance, FEA

CLC Number: 

  • TU398.2
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