RESISTANCE CHANGEMENT OF COMPRESSION SENSIBLE CEMENT SPECIMENT UNDER DIFFERENT STRESSES
摘要
The resistivity of cement specimens mixedwith carbon fibres under different pressures is studied.Theresults reveal that when pressure becomes larger and larger,the resistivity of speciments changes.The process can be di-vided into three stages:reversible sensing period,balance pe-riod,and sharp increasing period.These three periods re-spectively show the closure and opening of raw flaw in speci-mens,germination of fresh cracks and cracks extending tofailure.The conducting mechanism is also analyzed.Ac-cording to the above characteristic of carbon fibre-cementspecimen,it can be used as an intrinsic smart material to be ap-plied in the non-destructive detection of concrete dams,ect.
引用本文（GB/T 7714）
毛起炤, 赵炳元, 沈大荣, 等. RESISTANCE CHANGEMENT OF COMPRESSION SENSIBLE CEMENT SPECIMENT UNDER DIFFERENT STRESSES[J]. Acta Scientiarum Naturalium Universitatis Sunyatseni, 1996.
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