原文传递
Verification of a simple model for the lateral-load analysis and design of unbonded post-tensioned precast concrete walls
| 题名： | Verification of a simple model for the lateral-load analysis and design of unbonded post-tensioned precast concrete walls |
| 其他题名： | 1.Fintel,M.1995."Performance of Buildings with Shear Walls in Earthquakes of the Last Thirty Years."PCI Journal 40(3):62-80. |
| 正文语种： | 英文 |
| 作者： | Felipe J. Perez |
| 关键词： | Analytical;model;post-tensioned;precast seismic structural system;unbonded;wall |
| 摘要： | Previous research on unbonded post-tensioned precast concrete walls included the development of a nonlinear wall model based on fiber elements and of a design-oriented simple analytical model based on generalized closed-form expressions that define a tri-linear idealized wall response under combined gravity and lateral loads. Each model considers several key limit states in the lateral-load response of unbonded post-tensioned precast concrete walls. The fiber model and simple model were previously validated using limited available experimental results on unbonded post-tensioned precast concrete walls. This paper presents the results of a parametric study conducted using the fiber model and the simple model to investigate the adequacy of the simple model for a broader range of parameters. Results show that the simple model accurately represents the lateral-load response obtained using the fiber model. Furthermore, the simple model and the fiber model show similar values of base shear and roof drift response, and they show similar trends for each parameter variation. Thus, the simple model is recommended for the seismic design of unbonded post-tensioned precast concrete walls. |
| 出版年： | 2018 |
| 论文唯一标识： | J-30Y2018V63N05032 |
| 英文栏目名称： | Design |
| 期刊名称： | PCI-Prestressed Concrete Institute Journal |
| 拼音刊名(出版物代码)： | J-30 |
| 卷： | 63 |
| 期： | 05 |
| 页码： | 51-70 |
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