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    Acoustic Emission Monitoring of Reinforced Concrete under Accelerated Corrosion

    Source: Journal of Materials in Civil Engineering:;2013:;Volume ( 025 ):;issue: 008
    Author:
    M. Di Benedetti
    ,
    G. Loreto
    ,
    F. Matta
    ,
    A. Nanni
    DOI: 10.1061/(ASCE)MT.1943-5533.0000647
    Publisher: American Society of Civil Engineers
    Abstract: The development of techniques capable of evaluating the deterioration of reinforced concrete structures is instrumental to the advancement of structural health monitoring (SHM) techniques and service life estimate methodologies for constructed facilities. One of the main causes of degradation is the corrosion of steel reinforcement. This process can be modeled phenomenologically, whereas laboratory tests aimed at studying durability responses are typically accelerated to provide usable results within a realistic period of time. Numerous nondestructive methods have been recently studied. Acoustic emission (AE) is emerging as a nondestructive tool to detect the onset and progression of deterioration mechanisms associated with concrete cracking. In this paper, an accelerated corrosion and continuous AE monitoring test setup is presented, providing relevant information on the characteristics of the corrosion circuit, continuous measurement procedure, selection of AE sensors, and AE parameter setting for data acquisition. The effectiveness of AE in detecting and characterizing the initiation of the corrosion process is discussed on the basis of results from small-scale, precracked RC specimens that are representative of areas near the clear cover in typical RC members. The main outcome is a new approach of AE data interpretation based on time-driven parameters.
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      Acoustic Emission Monitoring of Reinforced Concrete under Accelerated Corrosion

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/67037
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    • Journal of Materials in Civil Engineering

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    contributor authorM. Di Benedetti
    contributor authorG. Loreto
    contributor authorF. Matta
    contributor authorA. Nanni
    date accessioned2017-05-08T21:56:12Z
    date available2017-05-08T21:56:12Z
    date copyrightAugust 2013
    date issued2013
    identifier other%28asce%29mt%2E1943-5533%2E0000682.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/67037
    description abstractThe development of techniques capable of evaluating the deterioration of reinforced concrete structures is instrumental to the advancement of structural health monitoring (SHM) techniques and service life estimate methodologies for constructed facilities. One of the main causes of degradation is the corrosion of steel reinforcement. This process can be modeled phenomenologically, whereas laboratory tests aimed at studying durability responses are typically accelerated to provide usable results within a realistic period of time. Numerous nondestructive methods have been recently studied. Acoustic emission (AE) is emerging as a nondestructive tool to detect the onset and progression of deterioration mechanisms associated with concrete cracking. In this paper, an accelerated corrosion and continuous AE monitoring test setup is presented, providing relevant information on the characteristics of the corrosion circuit, continuous measurement procedure, selection of AE sensors, and AE parameter setting for data acquisition. The effectiveness of AE in detecting and characterizing the initiation of the corrosion process is discussed on the basis of results from small-scale, precracked RC specimens that are representative of areas near the clear cover in typical RC members. The main outcome is a new approach of AE data interpretation based on time-driven parameters.
    publisherAmerican Society of Civil Engineers
    titleAcoustic Emission Monitoring of Reinforced Concrete under Accelerated Corrosion
    typeJournal Paper
    journal volume25
    journal issue8
    journal titleJournal of Materials in Civil Engineering
    identifier doi10.1061/(ASCE)MT.1943-5533.0000647
    treeJournal of Materials in Civil Engineering:;2013:;Volume ( 025 ):;issue: 008
    contenttypeFulltext
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