Time-Dependent Space-Averaged Constitutive Modeling of Cracked Reinforced Concrete Subjected to Shrinkage and Sustained Loads

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概要

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• Transient nonlinear analysis is proposed as a way of predicting the long-term deformation of cracked reinforced concrete and a mechanistic creep constitutive model for post-cracking tension-stiffness is presented. The effect of drying shrinkage is integrated into the predictive scheme using the thermo-hydro physics of porous media, and a simple equivalent method of analysis is discussed for the practical performance assessment of structural concrete. Careful verification of the model is carried out with respect to the creep deflection of RC beams and slabs subjected to multi-axial flexure. Three-dimensional fiber and plate & shell elements are used for the space discretization of the analysis domain.

• 公益社団法人 日本コンクリート工学会の論文

著者

• ISHIDA Tetsuya

  University of Tokyo

• MAEKAWA Koichi

  University of Tokyo

• Itoyama Yutaka

  Nagoya Institute of Technology, Japan

• Ishida Tetsuya

  University of Tokyo, Japan

• Soltani Masoud

  Tarbiat Modares University, Iran

関連論文

• Solidification Model of Hardening Concrete Composite for Predicting Creep and Shrinkage of Concrete
• Time-Dependent Space-Averaged Constitutive Modeling of Cracked Reinforced Concrete Subjected to Shrinkage and Sustained Loads

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