Impact of Horizontal Boundary Elements Design on Seismic Behavior of Steel Plate Shear Walls.
(05/01/2014)
The seismic behavior of Steel Plate Shear Walls (SPSWs) with boundary elements that have been designed using two different philosophies is investigated in this study. The first design approach does not guarantee that it can prevent the formation of in-span plastic hinges on horizontal boundary elements; while the second approach guarantees that plastic hinges will only occur at the ends of the horizontal boundary elements. The results from pushover and nonlinear time history analyses showed that the development of in-span plastic hinges has significant consequences on the behavior of the structure. Nonlinear time history analyses further demonstrates that increasing the...
Tác giả: Purba, R.; Bruneau, M. |
Số trang: 164 |
Lĩnh vực: Xây dựng |
Năm XB: 2010 |
Loại tài liệu: Khác
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Impact of Horizontal Boundary Elements Design on Seismic Behavior of Steel Plate Shear Walls. | Số trang: 164
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The seismic behavior of Steel Plate Shear Walls (SPSWs) with boundary elements that have been designed using two different philosophies is investigated in this study. The first design approach does not guarantee that it can prevent the formation of in-span plastic hinges on horizontal boundary elements; while the second approach guarantees that plastic hinges will only occur at the ends of the horizontal boundary elements. The results from pushover and nonlinear time history analyses showed that the development of in-span plastic hinges has significant consequences on the behavior of the structure. Nonlinear time history analyses further demonstrates that increasing the severity of the ground excitations accentuates the accumulation of plastic incremental deformations on the horizontal boundary elements. This study also investigates the plastic strength of SPSWs with in-span plastic hinges and develops an alternative plastic mechanism to match the results from pushover analysis. A cycle by cycle investigation on horizontal boundary element deformation history under cyclic loading is presented and several key behaviors observed during the cyclic loading history are identified.
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