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This research assesses how cold-extruded sleeve connections affect the seismic stability of precast shear walls.

February 23, 2026Open Access

Analysis of the Effect of Cold-Extruded Sleeve Connection on the Stability of Prefabricated Shear Walls

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This research assesses how cold-extruded sleeve connections affect the seismic stability of precast shear walls.
Conducted quasi-static cyclic loading tests on full-scale precast and cast-in-place shear walls.
Developed finite element models using ABAQUS to simulate concrete and steel behaviors.
Performed a parametric study by varying aspect ratio, axial compression ratio, and longitudinal reinforcement ratio.
Precast walls showed improved energy dissipation and higher ultimate lateral load capacity.
Cast-in-place walls exhibited abrupt failure due to concrete spalling and out-of-plane splitting.
Dependence of lateral load capacity and drift on aspect ratio and axial compression ratio established.
Increased reinforcement in boundary elements improved load-carrying capacity and ductility.

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Implication

Experimental tests show improved energy dissipation and ductility in precast shear walls with cold-extruded sleeve connections, indicating enhanced stability.

Cite This Study

Pan et al. (2026) studied this question.

synapsesocial.com/papers/699ba08472792ae9fd870460 https://doi.org/10.3390/buildings16040866

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Implication

Experimental tests show improved energy dissipation and ductility in precast shear walls with cold-extruded sleeve connections, indicating enhanced stability.

Analysis of the Effect of Cold-Extruded Sleeve Connection on the Stability of Prefabricated Shear Walls

Key Points

Discussion

Implication

Cite This Study

Analysis of the Effect of Cold-Extruded Sleeve Connection on the Stability of Prefabricated Shear Walls

Key Points

Discussion

Implication

Cite This Study

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