TY JOUR TI Determination of the Eextreme Stress in the High-Pressure Drum Power Boilers KW High pressure drum KW steam boiler KW pipe connection KW stress-strain state KW extreme stress KW stress concentration factors KW mathematical simulation KW Ansys JO Construction and Architecture AU Serbinovskiy, M.. AU Kurepin , M.. PY 2014 IS 2 PB Publishing Center RIOR