结构健康监测用活性炭增强自传感水泥复合材料的发展前景

A. Dinesh, D. Suji, M. Pichumani
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引用次数: 9

摘要

本研究考察了含有不同浓度(5%、10%、15%、20%和25%)活性炭(AC)的自感水泥复合材料(SCC)的机电特性。开发的复合材料放置在梁的各个区域以监测梁的行为,以及在柱中心监测柱的挠度。研究表明,AC通过产生局部水化和碳积累,降低了水泥复合材料的抗压强度和电阻率。性能指数方法分别优化了25%和20%的无硅粉和10%硅粉(SF)的AC浓度。嵌入式SCC监测梁和柱的挠度,电阻率和挠度之间的最大相关性分别为99%和96%。根据研究结果,交流可以产生SCC,可用于监测梁和柱的挠度。
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Concurrent Prospects to Develop Activated Charcoal Reinforced Self-Sensing Cement Composites for Structural Health Monitoring Applications
This research examines the electromechanical characteristics of self-sensing cement composite (SCC) containing activated charcoal (AC) at various concentrations (5%, 10%, 15%, 20%, and 25%). The developed composite is placed in various zones in the beam to monitor beam behaviour, as well as in the column center to monitor column deflection. The research reveals that AC reduced the compressive strength and resistivity of cement composites by generating local hydration and carbon accumulation. The performance index approach optimizes AC concentrations at 25% and 20% without and with 10% silica fume (SF), respectively. The embedded SCC has monitored the deflection of beams and columns with a maximum correlation between electrical resistivity and deflection at 99% and 96%, respectively. According to the findings, the AC can generate SCC, which might be utilized to monitor the deflection of beams and columns.
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