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플랫플레이트-기둥 접합부의 뚫림전단강도
Strength Model for Punching shear of Flat Plate-Column Connections

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Authors
박홍근; 최경규
Issue Date
2004-04
Publisher
한국콘크리트학회 = Korean Concrete Institute
Citation
한국콘크리트학회 논문집 제16권 제2호, 2004, pp. 163-174
Keywords
flat platepunching shearfailure mechanismplate column connection플랫플레이트뚫림전단파괴 메카니즘플레이트-기둥 접합부
Abstract
A number of experiments were performed to investigate the punching shear strength of flat plate-column connections. According to the experiments, the punching shear strength varies significantly with design parameters such as the column size of the connection, reinforcement ratio, and boundary condition. However, current design methods do not properly address the effects of such design parameters. In the present study, a theoratical approach using Rankine's failure cirterion was attempted to define the failure mechanism of the punching shear. According to the study, the failure mechanism can be classified into the compression-controlled and the tension-controlled, depending on the amount of bottom re-bars placed at the connection, and the punching shear strength is also significantly affected by the flexural damage of slab. Based on the finding, a new strength model of punching shear was developed, and verified by the comparisons with existing experiments and nonlinear finite clement analyses. The comparisons show that the proposed strength model addressing the effects of various design parameters can predict accurately the punching shear strength, compared to the existing strength models.
ISSN
1229-5515
Language
Korean
URI
http://hdl.handle.net/10371/8144
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Architecture and Architectural Engineering (건축학과)Journal Papers (저널논문_건축학과)
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