Analysis of the microcracking process with the Acoustic Emission method with respect to the service life of reinforced concrete structures with the example of the RC beams

Goszczyńska, Barbara; Świt, Grzegorz; Trąmpczyński, Wiesław

doi:10.1515/bpasts-2015-0007

Cited by 23 publications

(15 citation statements)

References 10 publications

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“…The data collected can be the basis for determining the structural condition of the structure [33][34][35][36][37][38][39].…”

Section: Discussionmentioning

confidence: 99%

Acoustic Emission Method for Locating and Identifying Active Destructive Processes in Operating Facilities

Świt

2018

Applied Sciences

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Featured Application: The data collected can be the basis for determining the structural condition of the structure.Abstract: Durability, safety, and usability are the three foundations of structural reliability, vital in the economic and social context. As the locating and tracking of potential damage and evaluating its impact on the condition of the structure are part of service life assessment, relevant methods should be developed that would detect the onset of the deterioration process and enable the monitoring of its progress within the entire volume of the structure, not only in the areas selected in a subjective way. The acoustic emission (AE) method relying on the analysis of active destructive processes can be the best choice. This article reports the results of the application of the AE method for identifying active destructive processes and tracking their development during the routine operation of various types of structures.

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“…The data collected can be the basis for determining the structural condition of the structure [33][34][35][36][37][38][39].…”

Section: Discussionmentioning

confidence: 99%

Acoustic Emission Method for Locating and Identifying Active Destructive Processes in Operating Facilities

Świt

2018

Applied Sciences

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“…In 2015, a special issue of the Bulletin of the Polish Academy of Sciences: Technical Sciences dedicated to diagnosis and durability of buildings was published [13]. Studies published in that issue: K. Flaga [14]; Z. Owsiak et al [15,16]; Z. Rusin et al [17]; L. Czarnecki, P. Woyciechowski [18]; B. Goszczyńska et al [19]; K. Wilde et al [20]; A. Garbacz [21]; Z. Hoła [22]; M. Iwański [23]; A. Szydło [24]; A. Piekarczuk et al [25]; M. Kolbrecki [26]; D. Kowalski et al [27] are considerable evidence of achievements and research ambitions in this area.…”

Section: Czarnecki and D Van Gemert Scientific Basis And Rules Ofmentioning

confidence: 99%

Scientific basis and rules of thumb in civil engineering: conflict or harmony?

Czarnecki

Gemert

2016

Bulletin of the Polish Academy of Sciences Technical Sciences

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Abstract. Science and engineering intermingle in the area of construction. Engineering works, often of great dimensions and design life cycle of many decades, have to be designed on a scientific basis since the safety of hundreds of users depends on their design. The task of scientific institutions is to define the construction performance within categories that correspond to the contemporary level of knowledge and technology. A construction appraiser who speaks out in a way that ensures unquestionable competence about the performance of elements and buildings (existing and under construction), should be convinced of the scientific basis of his opinions. A comparison of construction sections vs. basic requirements presents an archetype of the science of construction. A matrix of the science of construction reveals its multi-faceted nature; if related to time -the issue of durability has to be considered, and if related to the scale -the complexity. Defining the construction performance in terms of technical features is a constant search for a relationship between the material model and the usability model of a building. The construction industry uses a lot of "rules of thumb", more than any other sector of technology. In the era of computer-aided design, CAD, and building information modelling (BIM), those rules of thumb remain invaluable verification tools.Key words: building performance, appraiser, matrix of the science of construction, rules of thumb, durability, complexity, diversified development. Scientific basis and rules of thumb in civil engineering Defining building performanceThe primary task of universities and research institutes in the scientific discipline of construction is to continuously define building performance in a manner consistent with the current level of knowledge and technology. This means permanently seeking true solutions [2] -the relationship between the two corresponding models [3]: the material model (material model is used here to represent materials, analyses and geometries) and the usability model, which combines properties and requirements (Fig. 1).

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“…Therefore, the IADP (Identification of Active Destructive Processes) Acoustic Emission method was developed for identification and location of damage processes in prestressed [17] and reinforced concrete members [18][19][20].…”

Section: Introductionmentioning

confidence: 99%

Acoustic emission method as a tool for the assessment of influence of the temperature variation on destructive processes created in early age concrete

2019

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During the early age concrete treatment (curing and hardening) the damage process appears i.e., microcracks in the cement paste, propagation of internal microcracks, and formation of microcracks on the surface of concrete that affect concrete. It can be the serious source that initiate cracks that will propagate in the further loading stage, thereby affecting the overall strength and durability of structures. Hence, it is quite important to have a tool to identify the damage processes created up during the early age concrete treatment. The Identification of Active Damage Processes (IADP) acoustic emission method, modified to suit the tests on non-loaded concrete, was applied to determine and locate the damage processes that appears during the hardening conditions taking into account the temperature fluctuations on which construction structures are exposed (constant temperature of 22ºC or cyclic temperature variations in the range -5ºC/+42ºC) in non-loaded concrete produced with basalt aggregate and blast furnace cement. It is shown that the modified IADP method, can be used to assess the influence of the temperature variation on damage process in early age non-loaded concrete. As an example, concrete produced with basalt aggregate and blast furnace cement was used.

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Analysis of the microcracking process with the Acoustic Emission method with respect to the service life of reinforced concrete structures with the example of the RC beams

Cited by 23 publications

References 10 publications

Acoustic Emission Method for Locating and Identifying Active Destructive Processes in Operating Facilities

Acoustic Emission Method for Locating and Identifying Active Destructive Processes in Operating Facilities

Scientific basis and rules of thumb in civil engineering: conflict or harmony?

Acoustic emission method as a tool for the assessment of influence of the temperature variation on destructive processes created in early age concrete

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