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  • Open Access

    ARTICLE

    Structural Integrity and Health Monitoring of Road and Railway Tanks based on Acoustic Emission

    G. Savaidis1, M. Malikoutsakis1, A. Jagenbrein2, A. Savaidis3, M. Soare4, M.V. Predoi4, A. Soare4, I.C. Diba4

    Structural Durability & Health Monitoring, Vol.9, No.2, pp. 129-154, 2013, DOI:10.32604/sdhm.2013.009.129

    Abstract Development of corrosion or/and fatigue crack propagation are the most common causes of structural degradation in road and railway tank vessels. An acoustic emission based monitoring procedure in conjunction with follow-up nondestructive testing is here proposed as a promising alternative to the conventional inspection processes enabling continuous health monitoring of the tank structures. Thereby, finite element analysis taking the respective ADR and RID tank design loads into account is proposed as a capable tool to be applied in early stages of development to reveal the hot spot areas, where acoustic emission sensors have to be positioned. The developed health monitoring… More >

  • Open Access

    ARTICLE

    Damage Assessment in Pultruded GFRP with AE

    D. Crivelli1, M. Guagliano2, A. Monici3

    Structural Durability & Health Monitoring, Vol.8, No.2, pp. 177-192, 2012, DOI:10.3970/sdhm.2012.008.177

    Abstract Pultrusion is a process for manufacturing uniform section composite profiles, which allows to obtain structural elements of virtually any length. The use of E-glass fiber allows to obtain a material with a good rigidity-to-weight and strength-to-weight ratio; these features allowed to use these materials in civil structures, such as poles for anti-noise panels and public lighting, also thanks to their insulating properties. However, the knowledge on the damage development of these materials is still uncertain, and this is slowing down their development.
    For these reasons, an experimental study on pultruded materials aimed at identifying the damage modes has been developed.… More >

  • Open Access

    ABSTRACT

    Structural health monitoring of buckling composite structures using acoustic emission

    C. A. Featherston1, M. Eaton1, R. Pullin1, K. M. Holford1

    The International Conference on Computational & Experimental Engineering and Sciences, Vol.10, No.1, pp. 29-36, 2009, DOI:10.3970/icces.2009.010.029

    Abstract This article has no abstract. More >

  • Open Access

    ARTICLE

    Loose Gangues Backfill Body’s Acoustic Emissions Rules During Compaction Test: Based on Solid Backfill Mining

    Junmeng Li1, Yanli Huang1, Wenyue Qi1, Guoqiang Kong1, Tianqi Song1

    CMES-Computer Modeling in Engineering & Sciences, Vol.115, No.1, pp. 85-103, 2018, DOI:10.3970/cmes.2018.115.085

    Abstract In fully mechanized solid backfilling mining (FMSBM), the loose gangues backfill body (LGBB) that filled into the goaf becomes the main body of bearing the overburden load. The deformation resistance of LGBB is critical for controlling overburden movement and surface subsidence. During the process of load bearing, LGBB will experience grain crushing, which has a significant effect on its deformation resistance. Gangues block will be accompanied with obvious acoustic emissions (AE) features in process of slipping, flipping and damaging. Under confined compression test, monitoring the AE parameters of LGBB can reveal the impact mechanism of grain crushing on LGBB deformation.… More >

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