Influence of metal shrinkage in longitudinal welds of sleeves on contact pressure in main gas pipeline repair von O. I. Olejnik

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Progress of technologies of arc welding repair of in-service main pipelines in Ukraine von V. S. But, O. I. Olejnik

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Tendency to crack formation in welded joints of repair structures on the gas main pipelines von V. S. But, Ju. Maksimov, O. I. Olejnik

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Peculiarities of application of split T-joints in repair and reconstruction of main pipelines under service conditions von V. S. But, E. A. Velikoivanenko, O. I. Olejnik

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Risk of fracture of main pipeline with defects of wall thinning in repair under pressure von V. I. Makhnenko, V. S. But, S. S. Kozlitina, O. I. Olejnik

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Procedure of ranging corrosion defects of the main gas pipelines found at in-pipe diagnostics von V. I. Makhnenko, A. S. Milenin, O. I. Olejnik

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Determination of contact pressure of reinforcing coupling in repair of pipelines with surface defects von V. I. Makhnenko, O. I. Olejnik, V. M. Shekera

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Behaviour of hydrogen in repair welding of pressure main pipelines von V. I. Makhnenko, O. I. Olejnik, A. P. Paltsevich

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Optimum reduction of operating pressure in pipeline in hardfacing repair of thinning areas von V. I. Makhnenko, V. S. But, S. S. Kozlitina, L. I. Dzjubak, O. I. Olejnik

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Development of technology of mechanized arc welding in repair of main high-pressure gas pipeline von O. I. Olejnik, Ju. Maksimov, A. P. Paltsevich, E. I. Goncharenko

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Risk of failure during thinning of wall of main pipeline in the area of circumferential welded joints at the presence of bending moments along the axis of pipeline von V. I. Makhnenko, E. A. Velikoivanenko, G. F. Rozynka, N. I. Pivtorak, O. I. Olejnik

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Permissible pressure for filler of sealed sleeves used to repair main pipelines von V. I. Makhnenko, E. A. Velikoivanenko, A. S. Milenin, O. I. Olejnik, G. F. Rozynka, N. I. Pivtorak

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Analysis of conditions of initiation and propagation of corrosion cracks in the zone of circumferential joints of main gas pipelines von V. I. Makhnenko, V. M. Shekera, E. A. Velikoivanenko, O. I. Olejnik, G. F. Rozynka, N. I. Pivtorak

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