| 摘要 |
FIELD: industrial building, particularly for erecting towers, masts, poles, chimney stacks and water-towers. ^ SUBSTANCE: method involves testing metal chimney divided into i=1 - Kc zones, where Kc is total number of chimney zones counting from ground surface to determine outer diameter Di, m of chimney case zone, length Li, m of the chimney zone, height Zi, m from ground surface to lower section of chimney zone, chimney case thickness ti,p, m in the given chimney zone, wherein p=1 - Nmes, where Nmes - is number of performed measurements, deviation from circular shape, for instance in local flexed section, for value increasing design thickness ti,d, m and years of chimney operation beginning from year of chimney putting into operation up to year of test performing and calculating parameters of metal chimney, reinforced concrete chimney and brick one. ^ EFFECT: extended capabilities of safety estimation, provision of safe chimney operation. ^ 20 cl, 3 tbl, 17 dwg |
