Development of global-local finite cover method and its application to the analysis of crack growth in concrete due to reinforcement corrosion

Mao Kurumatani; Kenjiro Terada

doi:10.2208/jsceja.64.16

Development of global-local finite cover method and its application to the analysis of crack growth in concrete due to reinforcement corrosion

Mao Kurumatani, Kenjiro Terada

Regional and Urban Reconstruction Research Division

Research output: Contribution to journal › Article › peer-review

Abstract

We develop an analysis method, which is named "global-local finite cover method (global-local FCM)", for the analysis of local crack growth in overall structure, and apply it to numerical simulations of propagating cracks in concrete due to reinforcement corrosion. First, we formulate the global-local FCM in conjunction with the hierarchical mesh for a kind of multi-scale analysis of RC structure. Secondly, numerical implementations for the FCM analysis of multiple cohesive crack growth are explained. Thirdly, the performance of global-local FCM is assessed for the approximation of mechanical behavior of hierarchical heterogeneity including local crack propagations. Finally, we apply the proposed method to global-local numerical simulations of propagating cracks in RC structure due to reinforcement corrosion.

Original language	English
Pages (from-to)	16-26
Number of pages	11
Journal	Doboku Gakkai Ronbunshuu A
Volume	64
Issue number	1
DOIs	https://doi.org/10.2208/jsceja.64.16
Publication status	Published - 2008

Keywords

Finite cover method
Global-local analysis
Hierarchical mesh
Mortar element
Multiple cohesive crack growth
Salt corrosion

ASJC Scopus subject areas

Civil and Structural Engineering
Building and Construction
Mechanics of Materials
Mechanical Engineering

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title = "Development of global-local finite cover method and its application to the analysis of crack growth in concrete due to reinforcement corrosion",

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AU - Terada, Kenjiro

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AB - We develop an analysis method, which is named "global-local finite cover method (global-local FCM)", for the analysis of local crack growth in overall structure, and apply it to numerical simulations of propagating cracks in concrete due to reinforcement corrosion. First, we formulate the global-local FCM in conjunction with the hierarchical mesh for a kind of multi-scale analysis of RC structure. Secondly, numerical implementations for the FCM analysis of multiple cohesive crack growth are explained. Thirdly, the performance of global-local FCM is assessed for the approximation of mechanical behavior of hierarchical heterogeneity including local crack propagations. Finally, we apply the proposed method to global-local numerical simulations of propagating cracks in RC structure due to reinforcement corrosion.

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