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Effect Of Pre-Tensioned Level on Axial Stress-Strain Behaviour of Confined Concrete: A Review
Author(s) -
Chee Loong Chin,
Chau Khun,
Jia Yang Tan,
Abdullah Zawawi Awang,
Wahid Omar
Publication year - 2018
Publication title -
international journal of engineering and technology
Language(s) - English
Resource type - Journals
ISSN - 2227-524X
DOI - 10.14419/ijet.v7i3.9.15265
Subject(s) - structural engineering , dilation (metric space) , materials science , stress (linguistics) , stress–strain curve , geotechnical engineering , engineering , finite element method , mathematics , geometry , philosophy , linguistics
External passive confinement has been used as strengthening scheme to rehabilitate existing reinforced concrete buildings. Passive confinement requires a certain lateral dilation of concrete prior to the activation of the confining effect. Applying pre-tensioned force to the confining material can eliminate the needs of such lateral dilation. This paper presents a review on previous studies conducted about pre-tensioned level in confined concrete. A short discussion is done based on the effect of pre-tensioned level to the three regions of stress-strain curve. It was found that pre-tensioned level affects the stress-strain behaviour of confined concrete. Pre-tensioned level that is too high decreases the strain capacity of the confined concrete. This review suggests that there exists an optimum pre-tensioned level for each confining material.  

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