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Home  >  Journal list  >  Journal of the Society of Materials Science, Japan  >  Vol.65  No.11 (2016)  >  pp.818-823

Journal of the Society of Materials Science, Japan
<<Previous article Vol.65  No.11 (2016)   pp.818 - 823 Next article>>

Development of Deterioration Evaluation Method for ASR Damaged Concrete Foundation of Steel Tower

Shinichiro OKAZAKI1), Hiroki KATAOKA2), Manabu MATSUSHIMA1)
1) Faculty of Engineering, Kagawa University 2) Department of Safety Systems Construction Engineering, Hayashi-cho, Kagawa University

Resent research has focused on the potential loss in structural performance of reinforced concrete members with ASR related damage. In this research, deterioration and remained pulling shear stress evaluation method for ASR damaged concrete foundation of steel tower is developed by aiding finite element method. Expansion strain occurred on site due to ASR was identified by sensitive analysis of ASR model with comparing measurements of cracking pattern, crack width distribution and crack density of crown and body of concrete foundation. This method can evaluate stress state of concrete, rebar in structure and decreasing tendency of pulling shear stress corresponded to concrete expansion by ASR.




Keyword:
ASR(Alkali Silica Reaction), Concrete Foundation of Steel Tower, Pulling shear stress, FEM(Finite Element Method)

Received: December 16, 2015
Published online: November 20, 2016

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