10.14489/td.2020.06.pp.032-039

2020, 06 June

DOI: 10.14489/td.2020.06.pp.032-039

Sagaydak A. I., Bardakov V. V., Elizarov S. V., Ivanov V. I.
STANDARDS FOR THE TECHNICAL STATE TESTING OF REINFORCED CONCRETE STRUCTURES BY MEANS OF ACOUSTIC EMISSION METHOD
(pp. 32-39)

Abstract. The review of 3 standards in the field of concrete and reinforced concrete acoustic emission testing, developed and issued by International Organization for Standardization in 2019 is provided in the article. The first standard describes the process of acoustic emission signals measuring in concrete and reinforced concrete. The second standard describes test method for damage qualification of reinforced concrete beams. This standard allows dividing the damage degree of reinforced concrete beams into 3 groups: minor, intermediate, heavy. The third standard describes method for active cracks classification in concrete. This standard allows dividing growing cracks into 2 types: tensile cracks and other crack types (shear). Experimental studies on the correctness assessment of these standards by reinforced concrete beams three-point bending testing with incremental cyclic load were carried out. In total 5 RC beams of heavy concrete with different concrete strength and reinforcing type were tested. Based on the testing results the correctness of the criteria and methods presented in the standards was confirmed.

Keywords: acoustic emission, reinforced concrete, reinforced concrete beams, technical state, Kaiser effect, Felicity effect.

+ - About the Authors Click to collapse

A. I. Sagaydak (JSC SIC Construction, Moscow, Russia) E-mail: Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра.
V. V. Bardakov, S. V. Elizarov (“Interunis-IT” LLC, Moscow, Russia) E-mail: Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра.
V. I. Ivanov (JSC RII “Spectrum”, Moscow, Russia) E-mail: Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра.

+ - References Click to collapse

1. ISO 16836:2019. Non-destructive testing – Acoustic emission testing – Measurement method for acoustic emission signals in concrete. International Standard No. ISO 16836:2019.
2. Non-destructive testing – Acoustic emission testing – Test method for damage qualification of reinforced concrete beams. International Standard No. ISO 16837:2019.
3. Non-destructive testing – Acoustic emission testing – Test method for classification of active cracks in concrete structures. International Standard No. ISO 16838:2019.
4. Recommendation of RILEM TC 212-ACD: acoustic emission and related NDE techniques for crack detection and damage evaluation in concrete. (2010). Measurement method for acoustic emission signals in concrete.
5. Recommendation of RILEM TC 212-ACD: acoustic emission and related NDE techniques for crack detection and damage evaluation in concrete. (2010). Test method for damage classification of reinforced concrete beams by acoustic emission.
6. Recommendation of RILEM TC 212-ACD: acoustic emission and related NDE techniques for crack detection and damage evaluation in concrete. (2010). Test method for classification of active cracks in concrete structures by acoustic emission.
7. Ohtsu M., Uchida M., Okamoto T., Yuyama S. (2002). Damage assessment of reinforced concrete beams qualified by acoustic emission. ACI Structural Journal, Vol. 99, (4), pp. 411 – 417.
8. Grosse C. U., Ohtsu M. (Eds.) (2008). Acoustic emission testing. Springer.
9. Bardakov V. V., Sagaydak A. I., Elizarov S. V. (2019). Acoustic emission of reinforced reinforced concrete beams. Kontrol'. Diagnostika, 255(9), pp. 4 – 12. [in Russian language] DOI: 10.14489/td.2019.09.pp.004-012
10. Tomoki Shiotani (2012). Recent Advanced of AE Technology for Damage Assessment of Infrastructures. Journal Acoustic Emission, Vol. 30, pp. 76 – 99.

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