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Seismic performance of precast concrete shear walls with spiral stirrup restrained grout-anchored lapped reinforcement connection.

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Title: Seismic performance of precast concrete shear walls with spiral stirrup restrained grout-anchored lapped reinforcement connection.
Authors: Tang, Lei1 (AUTHOR) seutanglei@163.com, Guo, Zhengxing1 (AUTHOR), Zang, Xulei1 (AUTHOR)
Source: Advances in Structural Engineering. Nov2024, Vol. 27 Issue 15, p2592-2608. 17p.
Subjects: Personal computer performance, Finite element method, Lap joints, Shear walls, Energy dissipation, Precast concrete
Abstract: Low-cycle reversed loading tests and finite element analysis were conducted on one cast-in-place (CIP) shear wall specimen and two precast concrete (PC) shear wall specimens with different configurations of spiral stirrup. By comparing the failure modes, load-carrying capacities, hysteresis behaviours, skeleton curves, deformation capacities, stiffness degradation, plastic hinge distributions, and energy dissipation capacities of the PC specimen and the PIC specimen, the mechanical properties of the PC specimen equivalent to those of the CIP specimen were verified. Both the PC and PIC specimens exhibited bending shear failure, consistent with the ductile failure design requirements of "equivalent to cast-in-place". The peak load capacity of the PC specimen was 3.64% higher than that of the PIC specimen, and the hysteresis curve was as full as that of the CIP specimen. The stiffness degradation performance of the PC specimen was slightly lower than that of the CIP specimen in the cracking stage, but it was comparable to that of the CIP specimen after entering the elastic-plastic stage. During the yielding stage, the maximum difference in energy dissipation performance between the CP specimen and the CIP specimen did not exceed 11.34%. Both the tests and finite element analysis confirmed the effective constraint of spiral stirrup on lap joints. Setting spiral stirrup for the vertical distribution reinforcements on the web had no significant effect on the load-carrying capacity of the PC specimen, but it slightly reduced its ductility and energy dissipation performance, by no more than 6.63%. For economic and safety considerations, it is not recommended to use spiral stirrup in this area. [ABSTRACT FROM AUTHOR]
Copyright of Advances in Structural Engineering is the property of Sage Publications Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Label: Title
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  Data: Seismic performance of precast concrete shear walls with spiral stirrup restrained grout-anchored lapped reinforcement connection.
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  Data: <searchLink fieldCode="AR" term="%22Tang%2C+Lei%22">Tang, Lei</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> seutanglei@163.com</i><br /><searchLink fieldCode="AR" term="%22Guo%2C+Zhengxing%22">Guo, Zhengxing</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zang%2C+Xulei%22">Zang, Xulei</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Advances+in+Structural+Engineering%22">Advances in Structural Engineering</searchLink>. Nov2024, Vol. 27 Issue 15, p2592-2608. 17p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Personal+computer+performance%22">Personal computer performance</searchLink><br /><searchLink fieldCode="DE" term="%22Finite+element+method%22">Finite element method</searchLink><br /><searchLink fieldCode="DE" term="%22Lap+joints%22">Lap joints</searchLink><br /><searchLink fieldCode="DE" term="%22Shear+walls%22">Shear walls</searchLink><br /><searchLink fieldCode="DE" term="%22Energy+dissipation%22">Energy dissipation</searchLink><br /><searchLink fieldCode="DE" term="%22Precast+concrete%22">Precast concrete</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Low-cycle reversed loading tests and finite element analysis were conducted on one cast-in-place (CIP) shear wall specimen and two precast concrete (PC) shear wall specimens with different configurations of spiral stirrup. By comparing the failure modes, load-carrying capacities, hysteresis behaviours, skeleton curves, deformation capacities, stiffness degradation, plastic hinge distributions, and energy dissipation capacities of the PC specimen and the PIC specimen, the mechanical properties of the PC specimen equivalent to those of the CIP specimen were verified. Both the PC and PIC specimens exhibited bending shear failure, consistent with the ductile failure design requirements of "equivalent to cast-in-place". The peak load capacity of the PC specimen was 3.64% higher than that of the PIC specimen, and the hysteresis curve was as full as that of the CIP specimen. The stiffness degradation performance of the PC specimen was slightly lower than that of the CIP specimen in the cracking stage, but it was comparable to that of the CIP specimen after entering the elastic-plastic stage. During the yielding stage, the maximum difference in energy dissipation performance between the CP specimen and the CIP specimen did not exceed 11.34%. Both the tests and finite element analysis confirmed the effective constraint of spiral stirrup on lap joints. Setting spiral stirrup for the vertical distribution reinforcements on the web had no significant effect on the load-carrying capacity of the PC specimen, but it slightly reduced its ductility and energy dissipation performance, by no more than 6.63%. For economic and safety considerations, it is not recommended to use spiral stirrup in this area. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Advances in Structural Engineering is the property of Sage Publications Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1177/13694332241276053
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      – Code: eng
        Text: English
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        PageCount: 17
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      – SubjectFull: Personal computer performance
        Type: general
      – SubjectFull: Finite element method
        Type: general
      – SubjectFull: Lap joints
        Type: general
      – SubjectFull: Shear walls
        Type: general
      – SubjectFull: Energy dissipation
        Type: general
      – SubjectFull: Precast concrete
        Type: general
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      – TitleFull: Seismic performance of precast concrete shear walls with spiral stirrup restrained grout-anchored lapped reinforcement connection.
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            NameFull: Tang, Lei
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            NameFull: Guo, Zhengxing
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            NameFull: Zang, Xulei
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            – D: 01
              M: 11
              Text: Nov2024
              Type: published
              Y: 2024
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              Value: 27
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