2013
DOI: 10.1061/(asce)st.1943-541x.0000755
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Behavior of Precast Concrete Shear Walls for Seismic Regions: Comparison of Hybrid and Emulative Specimens

Abstract: This paper discusses the lateral load behavior of two, 0.40-scale, hybrid, precast concrete shear wall test specimens and the behavior of a third precast specimen designed to emulate monolithic cast-in-place RC shear walls. The walls had identical overall geometry and were constructed by placing rectangular precast panels across horizontal joints. The hybrid walls used mild steel bars [Grade 400 (U.S. Grade 60)] and high-strength unbonded posttensioning (PT) strands for lateral resistance, whereas the emulativ… Show more

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Cited by 162 publications
(67 citation statements)
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“…It is also assumed that the PT tendon behaves in a linear elastic manner during the entire loading process which has been verified by a number of experimental studies concerning SC walls [20,23,24]. For convenience, the wall is still assumed to be a rigid body neglecting the deformation concentrating on the contact region between the wall and the PT tendon [21].…”
Section: Rocking Response Of the Sc Wall With Pt Tendonmentioning
confidence: 99%
“…It is also assumed that the PT tendon behaves in a linear elastic manner during the entire loading process which has been verified by a number of experimental studies concerning SC walls [20,23,24]. For convenience, the wall is still assumed to be a rigid body neglecting the deformation concentrating on the contact region between the wall and the PT tendon [21].…”
Section: Rocking Response Of the Sc Wall With Pt Tendonmentioning
confidence: 99%
“…In 2009, specialists proposed that “restorable functional city” is the primary target of seismic engineering cooperation . Because of its good self‐resetting performance, UPT structures have become a new research focus of scholars all over the world . The combination of low‐yield‐point steel and UPT steel for enhancing the horizontal resistance can improve the energy dissipation capacity of assembled shear walls.…”
Section: Introductionmentioning
confidence: 99%
“…In this system, the upper and lower posttensioned precast wall panels are normally assembled across horizontal joints at the floor levels using UPT steel, whereas vertical joints between the adjacent wall panels generally use ductile connectors to transfer the vertical shear force and dissipate energy under seismic loading. Further studies adopted a combination of mild steel and high‐strength UPT steel to enhance the energy‐dissipating capacity of the UPT walls. However, thicker walls are generally required to cope with the high compressive force resulting from the vertical posttensioning in the UPT precast concrete wall system, and special confining reinforcement such as spiral reinforcement may also be required at the edges of the wall.…”
Section: Introductionmentioning
confidence: 99%