Effect Of Pre-Tensioned Level on Axial Stress-Strain Behaviour of Confined Concrete: A Review

  • Authors

    • Chee Loong Chin
    • Chau Khun Ma
    • Jia Yang Tan
    • Abdullah Zawawi Awang
    • Wahid Omar
    2018-07-09
    https://doi.org/10.14419/ijet.v7i3.9.15265
  • confined concrete, active confinement, pre-tensioned level, activation of confinement, stress-strain behaviour.

  • 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.

     

     

  • References

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    Loong Chin, C., Khun Ma, C., Yang Tan, J., Zawawi Awang, A., & Omar, W. (2018). Effect Of Pre-Tensioned Level on Axial Stress-Strain Behaviour of Confined Concrete: A Review. International Journal of Engineering & Technology, 7(3.9), 18-22. https://doi.org/10.14419/ijet.v7i3.9.15265