Conclusions
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1.
A technology has been developed for the assembly and welding of penstocks made of high-strength steel 14Kh2GMR, which ensures that the required mechanical properties are obtained in the welded connections and that an adequate technological strength is achieved.
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2.
Mechanized equipment has been developed which meets the requirements of technological processes and ensures high-quality production of turbine penstocks out of high-strength steel.
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3.
A multiplicity of scientific-research work and experience accumulated with the use of steel 14Kh2GMR in fabricating the penstocks at the Nurek station, have shown the possibility of wide application of high-strength steels in hydrotechnical construction. The use of such steels instead of the usual low-alloy steels with a yield point of 30 to 35 kgf/mm2, widens the engineering possibilities in designs of modern large-capacity high-head hydroelectric stations.
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Literature Cited
B. S. Kasatkin and V. F. Musiyachenko, Low-Alloy Steels of High Strength for Welded Structures [in Russian], Tekhnika, Kiev (1970).
B. S. Kasatkin et al., “Fabrication of turbine penstock out of high-strength steel,” Gidotekh. Stroit., No. 5 (1974).
W. Müller, Construction of a high-strength steel penstock,” Sulzer Technical Review, No. 3 (1966).
K. Horikawa, “Fabrication of very large penstocks with 70–80-kgf/mm2 tensile-strength steel,” J. Jpn. Weld. Soc., No. 11 (1972).
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Translated from Gidrotekhnicheskoe Stroitel’stvo, No. 3, pp. 7–10, March, 1977.
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Kasatkin, B.S., Martenson, V.Y., Volkov, V.V. et al. Use of high-strength steel for turbine penstocks at the nurek hydroelectric station. Hydrotechnical Construction 11, 232–236 (1977). https://doi.org/10.1007/BF02399070
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DOI: https://doi.org/10.1007/BF02399070