Cyclic Behavior of Different Connections in Precast Concrete Shear Walls: Experimental and Analytical Investigations

Abstract

This study investigated the grouted sleeve splices and corrugated duct splices between shear walls and footing. In this regard, three shear walls were experimentally tested. One wall was cast monolithically with the foundation (RCWS), whereas two walls were precast. One wall was connected to the foundation using splice sleeves (PGWS), and another with corrugated duct splices (PCWS). All the walls were tested under reverse cyclic loading and a constant axial load. It was observed that the performance of specimen PGWS was controlled by rocking, and a premature connection loss was observed at one of the grouted sleeve splices. The hysteretic performance of specimen PCWS was close to that of specimen RCWS, whereas extensive pinching was observed in the hysteretic response of specimen PGWS. The peak load, ductility, secant stiffness, and energy dissipation of specimens RCWS and PCWS were in good agreement, whereas the energy dissipated by specimen PGWS was considerably lower than the corresponding values of specimens RCWS and PCWS. Nonlinear fiber-based modeling in OpenSees was performed using SFI-MVLEM elements. The predicted hysteretic response of the OpenSees model was in close agreement with the experimental response.

Seismic Assessment of Precast Concrete Hospital Structures Integrated with Building Information Modeling (BIM) in Indonesia

“…Furthermore, precast structural systems have shown effective performance in withstanding earthquake loads [7][8][9][10]. The connection system in precast concrete construction is a critical aspect to ensure strength and ductility equivalent to monolithic concrete when subjected to earthquake loads [11][12][13].…”

Investigation on Seismic Behavior of a Novel Precast Shear Wall System with Different Infill Wall Constructions

“…The method used to connect these components constitutes a central concern for precast shear wall systems. The reliability of the connection method is pivotal in establishing effective force transmission mechanisms and ensuring overall structural integrity [13][14][15][16]. A literature review indicates that the prevalent methods for connecting precast concrete shear wall systems presently encompass lap-spliced connection [17,18], post-tensioned connection [14,19,20], welded connection, bolted connection [16,21,22], and sleeve connection [23][24][25].…”

“…Some scholars have proposed increasing the seismic performance and comfort of prefabricated structures by installing structural bracings and energy dissipation devices [26,27]. Previous research [13][14][15][16][17][18][19][20][21][22][23][24][25][26][27] has demonstrated that, given reliable design and construction practices, common methods for connecting precast concrete shear wall systems can achieve commendable seismic performance.…”