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- Title
ЗʼЄДНАННЯ БУДІВЕЛЬНОЇ АРМАТУРИ ЗА ДОПОМОГОЮ МУФТ, ЩО ОБЖИМАЮТЬСЯ ВИБУХОМ.
- Authors
Бризгалін, А. Г.; Шльонський, П. С.; Венцєв, С. Д.; Пекар, Є. Д.
- Abstract
Joining building rebars is a labour-consuming critical process. Arc welding processes are of little use in the cases of application of heat-strengthened building rebars, or such which have a protective layer. It is shown that use of steel couplers, compressed by explosion, allows obtaining strong and reliable joints of building rebars for various applications. Coupler parameters are calculated under the condition of equal strength with the rebar steel. Rupture testing revealed a higher strength of the coupler joint, compared to the strength of rebar beyond which rupture took place. Cyclic fatigue life testing showed that fatigue resistance of coupler joints is higher than what is required by normative documentation. There is experience of application of explosives in large construction sites and in operating industrial facilities.
- Subjects
FATIGUE limit; FATIGUE life; ELECTRIC welding; BUILDING reinforcement; BUILDING sites; REINFORCING bars
- Publication
Automatic Welding / Avtomatitcheskaia Svarka, 2022, Issue 11, p35
- ISSN
0005-111X
- Publication type
Article
- DOI
10.37434/as2022.11.05