AbstractAbout AuthorsReferences
In violation of the technology for repairing damaged masonry by repairing or injection, the restored areas of masonry in further exploitation may be subject to destruction and cracking. Currently, there are no regulations for quality control of the restoration of damaged masonry. A technique for the operational quality control of injection of cracks or repairing of masonry is proposed, based on a comparison of the physical and mechanical characteristics of the repaired areas with basic masonry. For the study, sensors are used that record vibrations of the structure caused by the microseismic background. One sensor was fixed, installed near the repaired area, the second was portable. First, the vibrations of the area of the intact masonry are measured, and then the vibrations of the area of the masonry with a repaired defect. Based on the measurement results, the coherence coefficients are calculated, the value of which is used to evaluate the quality of the repair work.
V.N. DERKACH1, Doctor of Sciences (Engineering), (This email address is being protected from spambots. You need JavaScript enabled to view it.);
P.A. BAKUSOV2, Engineer, Assistant of the department of information technology (This email address is being protected from spambots. You need JavaScript enabled to view it.);
R.B. ORLOWICZ3, Doctor of Sciences (Engineering), Professor (This email address is being protected from spambots. You need JavaScript enabled to view it.)
P.A. BAKUSOV2, Engineer, Assistant of the department of information technology (This email address is being protected from spambots. You need JavaScript enabled to view it.);
R.B. ORLOWICZ3, Doctor of Sciences (Engineering), Professor (This email address is being protected from spambots. You need JavaScript enabled to view it.)
1 Branch office of the RUE “Institute BelNIIS” – Scientific-Technical Center (267/2, Moskovskaya Street, Brest, 224023, Republic of Belarus)
2 Saint Petersburg State University of Architecture and Civil Engineering (4, 2nd Krasnoarmeiskaya Street, Saint Petersburg, 190005, Russian Federation)
3 «Georeconstruction» PI OOO (office 414, 4, Izmaylovskiy Avenue, Saint Petersburg, 190005, Russian Federation)
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2. Ищук М.К. Усиление каменных конструкций // Промышленное и гражданское строительство. 2006. № 8. С. 28–30.
2. Ishchuk M.K. Strengthening of stone structures. Promyshlennoe i grazhdanskoe stroitel’stvo. 2006. No. 8, pp. 28–30. (In Russian).
3. Ищук М.К. Совместная работа старой и новой кладок на участках с вычинками // Промышленное и гражданское строительство. 2014. № 1. С. 28–29.
3. Ishchuk M.K. Joint work of old and new masonry in areas with replacement. Promyshlennoe i grazhdanskoe stroitel’stvo. 2014. No. 1, pp. 28–29. (In Russian).
4. Patitz G. Bestandserfassung mit Bauradar – ein zerstörungsfreies Verfahren für die Praxis. Mauerwerk. 2013. Vol. 17. Iss. 4, pp. 196–200. DOI: 10.1002/ dama.201300579
5. Wiggenhauser H., Behrens M., Mouser D., Moryson R.M., Pudovikov S., Herrmann H-G. Non-destructive assessment of retaining wall of former coal mine plant. Mauerwerk. 2018. Vol. 22. Iss. 3, pp. 175–186. DOI: 10.1002/dama.201700021
6. Kwiecien A., Chelmecki J., Matysek P. Non-destructive test of brick columns using change in frequency and inertancy response. Structural Analysis of Historical Constructions. 2012, pp. 2437–2444. http://www.hms.civil.uminho.pt/sahc/2012/2437.pdf
7. Завалишин С.И., Шаблинский Г.Э., Зубков Д.А., Румянцев А.А. Динамический мониторинг зданий и сооружений для контроля их сейсмостойкости // Предотвращение аварий зданий и сооружений. 2009. № 2 (2). С. 1–12.
7. Zavalishin S.I., Shablinskiy G.E., Zubkov D.A., Rumyantsev A.A. Dynamic monitoring of buildings and structures to control their seismic stability. Predotvrashchenie avarii zdanii i sooruzhenii. 2009. No. 2 (2), pp. 1–12. (In Russian).
8. Пономарёв И.С., Махнович С.В., Пантилеев А.С. Особенности экспериментального определения частот и форм собственных колебаний цилиндрической оболочки // Научный вестник НГТУ. 2016. № 3 (64). С. 44–58.
8. Ponomarev I.S., Makhnovich S.V., Pantileev A.S. Features of experimental determination of eigenfrequencies and modes of cylindrical shell oscillations. Nauchnyi vestnik NGTU. 2016. No. 3 (64), pp. 44–58. (In Russian).
9. Gentile C., Saisi A., Cabboi A. Dynamic monitoring of a Masonry tower. Structural Analysis of Historical Constructions. 2012, pp. 2390–2397. DOI: 10.1051/matecconf/20152405003
10. Elyamani A., Caselles J.O., Clapes J., Roca P Assessment of dynamic behavior of Mallorca cathedral. Structural Analysis of Historical Constructions. 2012, pp. 2376–2384.
11. Grosel J., Sawicki W., Wojcicki Z. Vibration measurements in analysis of historical structures. Journal of Heritage Conservation. 2012. Vol. 32, pp. 157–164.
12. Бендат Дж., Пирсол А. Измерение и анализ случайных процессов. М.: Мир, 1971. 540 с.
12. Bendat Dzh., Pirsol A. Izmerenie i analiz sluchajnyh processov [Measurement and analysis of random processes]. Moscow: Mir. 1971. 540 p.
13. Дженкинс Г., Ваттс Д. Спектральный анализ и его приложения. Т. 1, 2. М.: Мир, 1971. 316 с.; 285 с.
13. Dzhenkins G., Vatts D. Spektral’nyj analiz i ego prilozheniya [Spectral analysis and its applications]. Vol. 1, 2. Moscow: Mir. 1971. 316 p.; 285 p.
14. Рандалл Р.Б. Частотный анализ. Копенгаген: Брюль и Къер, 1989. 389 с.
14. Randall R.B. Chastotnyj analiz [Frequency analysis]. Copenhagen: Bryul’ i Ker. 1989. 389 p.
15. Отнес Р., Эноксон Л. Прикладной анализ временных рядов. М.: Мир, 1982. 428 с.
15. Otnes R., Enochson L. Prikladnoi analiz vremennykh ryadov [Applied time series analysis]. Moscow: Mir. 1982. 428 p. (In Russian).
For citation: Derkach V.N., Bakusov P.A., Orlovich R.B. Evaluation of the effectiveness of injection and repair of damaged masonry. Stroitel’nye Materialy [Construction Materials]. 2022. No. 9, pp. 55–61. (In Russian). DOI: https://doi.org/10.31659/0585-430X-2022-806-9-55-61