Published since 1923
DOI: 10.33622/0869-7019
Russian Science Citation Index (RSCI) на платформе Web of Science


  • BUILDING STRUCTURES, BUILDINGS AND FACILITIES
  • Cruciform Welded Joints Of Rebar Rolled Products Of Class A500C At Negative Temperatures
  • UDC 691.714
    doi: 10.33622/0869-7019.2024.06.47-51
    Kirill V. AVDEEV1, 6136133@mail.ru
    Vyacheslav D. TERIN2,3, terin@bk.ru
    Vladimir V. BOBROV1,4, vbobrov1985@bk.ru
    Sergey O. SLYSHENKOV2, slyshenkov@mail.ru
    Dmitriy E. KLIMOV2, dimochka_k@mail.ru
    Alexander S. SUPRUNYUK2,3, suprunyukas@yandex.ru
    Ekaterina V. DOMAROVA1,3, cathie_p@mail.ru
    1 Central Research and Design and Experimental Institute of Industrial Buildings and Structures - TsNIIPromzdaniy, Dmitrovskoe shosse, 46, korp. 2, Moscow 127238, Russian Federation
    2 Research Institute оf Concrete and Reinforced Concrete (NIIZHB) named after A. A. Gvozdev, Research Center of Construction, 2-ya Institutskaya ul., 6, korp. 5, Moscow 109428, Russian Federation
    3 National Research Moscow State Civil Engineering University, Yaroslavskoye shosse, 26, Moscow 129337, Russian Federation
    4 Vyatka State University, ul. Moskovskaya, 36, Kirov 610000, Russian Federation
    Abstract. Experimental studies of welded joints were carried out to obtain up-to-date results of assessing the influence of low climatic temperatures and defects on the surface of rolled products on the performance properties of A500C class reinforcement, as the most popular reinforcement in construction. The article presents the results of bending tests of cruciform joints of rebar rolled products of class A500С and A400 from different manufacturers and diameters at different temperatures. As a result of the experiment, it was found that defects on the surface of rolled products from welding arc burns, undercuts during welding, transition zones near the welded joint affect the durability of rebar rolled products. The analysis of the test results of welded cruciform joints at low climatic temperatures revealed the heterogeneity of the operational properties of welded joints during bending. The results of experimental studies have shown that fewer brittle fractures are observed in steels with a lower carbon content. At the same time, the bending angle during fracture was more than 50 degrees, which indicates the need to reduce the concentration of carbon and control it during the production of rebar products.
    Keywords: reinforcement, welded joints, brittle fracture, negative temperatures, bending angle
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  • For citation: Avdeev K. V., Terin V. D., Bobrov V. V., Slyshenkov S. O., Klimov D. E., Suprunyuk A. S., Domarova E. V. Cruciform Welded Joints of Rebar Rolled Products of Class A500C at Negative Temperatures. Promyshlennoe i grazhdanskoe stroitel'stvo [Industrial and Civil Engineering], 2024, no. 6, pp. 47-51. (In Russ.). doi: 10.33622/0869-7019.2024.06.47-51

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