플랫 플레이트 슬래브 해석을 위한 강성감소계수Stiffness Reduction Factor for Flat Plate Slabs Analysis
- Other Titles
- Stiffness Reduction Factor for Flat Plate Slabs Analysis
- Authors
- 박영미; 한상환; 오승용
- Issue Date
- Nov-2006
- Publisher
- 대한건축학회
- Keywords
- 플랫 플레이트 슬래브; 강성감소계수; 유효보폭모델; 실험; Flat Plate Slab; Stiffness Rreduction Factor; Effective Beam Width Model; Experiment; Flat Plate Slab; Stiffness Rreduction Factor; Effective Beam Width Model; Experiment
- Citation
- 대한건축학회논문집 구조계, v.22, no.11, pp.105 - 114
- Indexed
- KCI
- Journal Title
- 대한건축학회논문집 구조계
- Volume
- 22
- Number
- 11
- Start Page
- 105
- End Page
- 114
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/172415
- ISSN
- 1226-9107
- Abstract
- The purpose of this study is to propose the stiffness reduction factor for flat plate slabs under lateral loads. Current design code (e.g., ACI 318-05) requires considering the effects of cracks for calculating slab stiffness under lateral loads. Many researchers attempted to evaluate reduction factors for lateral stiffness in order to reflect stiffness reduction to slab analysis. This study collected the test results of 20 interior and 10 exterior slab-column connections, from which stiffness reduction in each test was estimated with respect to the ratio of applied moment to cracking moment. Based on collected data, this study proposed equations for calculating stiffness reduction with respect to . To verify the proposed equations, this study conducted the experimental test of interior and exterior slab-column connections under quasi-static cyclic loading. From the test, load-deformation curve was obtained and the curve is compared to that obtained from effective beam width method with the proposed equation for the stiffness reduction. Furthermore, this study considers previous test results of flat plate slabs having two continuous spans for verifying the proposed equation. It is shown that the effective beam width method with the proposed equation for stiffness reduction predicts accurately the test results.
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