Direct Inelastic Strut-Tie Model Using Secant Stiffness

Park, Hong-Gun; Kim, Yungon; Eom, Tae-Sung

doi:10.4334/jkci.2005.17.2.201

Cited by 5 publications

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“…)가 수행되었으며, 3차원 최적 스트럿-타이 모델의 선정에 관한 연구 (Leu et al, 2006;Lee, 2007) (Alshegeir, 1992;Foster and Gilbert, 1998;Hwang et al, 2000;Yun, 2000;ACI SP-208, 2002;Tjhin and Kuchma, 2002;Bakir and Boduroglu, 2005;MacGregor and Wight, 2005;Park et al, 2005;FIB, 2010;Kim and Yun, 2011 (Yun and Ramirez, 1996;Yun, 2000;Yun, 2005;Ha and Hong, 2005;Yun, 2006) 단계 1: 설계 대상영역의 3차원 무근콘크리트 유한요소해석모델 에서 콘크리트 스트럿의 종축과 만나는 유한요소들을 선정한다.…”

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Strut-Tie Model Approach Associated with 3-Dimensional Grid Elements for Design of Structural Concrete - (I) Proposal of Approach

Yun¹

2014

Journal of the Korean Society of Civil Engineers

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Although the strut-tie model approaches of current design codes are regarded as the valuable methods for designs of structural concretes with D-regions, the approaches have to be improved because of the uncertainties in terms of the concepts and provisions for designs of 3-dimensional structural concretes. To improve the uncertainties, a new strut-tie model approach is proposed in this study. In the proposed approach, the concepts of employing a 3-dimensional grid element allowing load transfers in all directions at a node to construct a strut-tie model, a numerical analysis approach to determine the effective strengths of concrete struts and nodal zones by reflecting the effects of reinforcing bars and 3-dimensional stress state, and maximum areas of struts and ties to examine their load carrying capacities are integrated into the strut-tie model approaches of current design codes.

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Strut-Tie Model Approach Associated with 3-Dimensional Grid Elements for Design of Structural Concrete - (I) Proposal of Approach

Yun¹

2014

Journal of the Korean Society of Civil Engineers

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Two-Dimensional Grid Strut-Tie Model Approach for Structural Concrete

Yun

Kim

2008

J. Struct. Eng.

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A Review on Strut and Tie Methods

Bhanu

Ganesan

Indira

2020

IOP Conf. Ser.: Mater. Sci. Eng.

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Strut and tie method (STM) provides simplified solutions to complicated design problems. It was an evolutionary discovery which lead to an improved understanding of shear and flexural deformations of the structures. STM is applicable to the regions of the structure where beam theory is not valid. Numerous studies were conducted in this field, and various modifications are being attached to the conventional STM. Indeterminate models replaced determinate models, and nonlinear analysis replaced linear elastic analysis. New ideas like automatic generation of models based on optimisation techniques, simplified inelastic analysis using secant stiffness method and 3-dimensional analysis were also introduced. This paper summarises some of these studies and discusses their merits and limitations. Some suggestions to simplify these complicated methods are also included.

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Direct Inelastic Strut-Tie Model Using Secant Stiffness

Cited by 5 publications

References 1 publication

Strut-Tie Model Approach Associated with 3-Dimensional Grid Elements for Design of Structural Concrete - (I) Proposal of Approach

Strut-Tie Model Approach Associated with 3-Dimensional Grid Elements for Design of Structural Concrete - (I) Proposal of Approach

Two-Dimensional Grid Strut-Tie Model Approach for Structural Concrete

A Review on Strut and Tie Methods

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