EXPERIMENTAL STUDY ON STRENGTH CHARACTERISTICS OF MASSIVE CONCRETE STRUCTURES SUBJECTED TO HIGH TEMPERATURE FROM ON SIDE : In case of subject to temperature of 65℃ from on side

Shiire, Toyokazu; Cheong, Sangjin

doi:10.3130/aijsx.387.0_8

Cited by 1 publication

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“…But the rate of reduction of natural frequency needs more scientific background of concrete under drying process. The first drying process in concrete is always accompanied with colloidal alteration of C-S-H, and this process is not considered in existing research and they always assumes that concrete is just a porous material, resultantly, the drying process under high temperature or temperature gradient needs more data (Shiire and Cheong 1988;England and Khoylou 1995;Lien and Wittmann 1998).…”

Section: Discussion For Aging Managementmentioning

confidence: 99%

Multi-scale Review for Possible Mechanisms of Natural Frequency Change of Reinforced Concrete Structures under an Ordinary Drying Condition

Maruyama

2016

ACT

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Based on a review from a view point of multi-scale perspective, it is concluded that possible mechanisms of natural frequency change of concrete structures under an ordinary drying condition are reduction of Young's modulus of concrete and stiffness reduction of reinforced concrete member due to shrinkage-induced cracking. Both two mechanisms can be provoked by drying, which is natural environmental condition for all the building structures. This natural frequency change is important for the integrity analysis of nuclear power plants because seismic response change and sympathetic vibration between structure and installed implementations are expected. In addition, to understand the mechanism this mechanism should contributed to post-earthquake integrity evaluation which is necessary to efficient and continuous operation of nuclear power plants. The lost parts of scientific knowledge and needs of experimental data for whole picture of this natural frequency change have been pointed out.

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Section: Discussion For Aging Managementmentioning

confidence: 99%

Multi-scale Review for Possible Mechanisms of Natural Frequency Change of Reinforced Concrete Structures under an Ordinary Drying Condition

Maruyama

2016

ACT

View full text Add to dashboard Cite

show abstract

EXPERIMENTAL STUDY ON STRENGTH CHARACTERISTICS OF MASSIVE CONCRETE STRUCTURES SUBJECTED TO HIGH TEMPERATURE FROM ON SIDE : In case of subject to temperature of 65℃ from on side

Cited by 1 publication

References 0 publications

Multi-scale Review for Possible Mechanisms of Natural Frequency Change of Reinforced Concrete Structures under an Ordinary Drying Condition

Multi-scale Review for Possible Mechanisms of Natural Frequency Change of Reinforced Concrete Structures under an Ordinary Drying Condition

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