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Thermal Analysis of RC 120m-height chimney of JKP „Beogradske elektrane“
Termička analiza ab dimnjaka visine 120 m JKP „Beogradske elektrane”
dc.creator | Najdanović, Dušan | |
dc.creator | Ćetković, Marina | |
dc.date.accessioned | 2020-04-05T16:56:52Z | |
dc.date.available | 2020-04-05T16:56:52Z | |
dc.date.issued | 2008 | |
dc.identifier.isbn | 978-86-7518-074-6 | |
dc.identifier.uri | https://grafar.grf.bg.ac.rs/handle/123456789/1874 | |
dc.description.abstract | This paper presents basic characteristics of ″Beogradske elektrane″ 120 m-height-chimney in Belgrade. The thermographic snapshot is made by infra-red rays camera indicating existence of unequal warmer and cooler zones as result of thermoinsulation damage. Design and analysis of static forces arising out of changes of temperature in wall of chimney by gases operation temperatures being higher than temperatures from original design, as well as static forces arising out of thermoinsulation damage, are indicating possible exceeding of ultimate strength in concrete and reinforcement of chimney wall. Therefore, the methodology for surveying outer as wall as inner thermoinsulation surface of chimney wall is given in order to determine the state of essential elements of reinforced concrete structure of chimney and to define necessary retrofit intended to bring the system into the operating state. | en |
dc.description.abstract | U radu su prikazane osnovne karakteristike dimnjaka Beogradskih elektrana u Beogradu visine 120 m. Prikazan je termografski snimak kamerom sa infracrvenim zracima koji je ukazivao da na dimnjaku postoje neravnomerne toplije i hladnije zone, što je ukazivalo na oštećenje termoizolacije. Proračun i analiza statičkih uticaja od temperaturnih promena u zidu dimnjaka pri radnim temperaturama gasova koje su više od proračunskih temperatura iz originalnog projekta, kao i statičkih uticaja koji nastaju u slučajevima oštećenja termoizolacije, ukazuju da može doći do ozbiljnih prekoračenja napona u betonu i armaturi zida dimnjaka. S tim u vezi data je metodologija pregleda spoljašnje površine zida dimnjaka, kao i pregled unutrašnje termoizolacije sa ciljem da se utvrdi stanje bitnih elemenata armirano betonske konstrukcije dimnjaka i definišu potrebne sanacione mere, kako bi se objekat doveo u ispravno stanje. | sr |
dc.language.iso | sr | sr |
dc.publisher | Faculty of Civil Engineering of the University of Belgrade─Chair for Technical Mechanics and Theory of structures | sr |
dc.publisher | Građevinski fakultet Univerziteta u Beogradu─Katedra za Tehničku mehaniku i teoriju konstrukcija | sr |
dc.relation | Contemporary problems of mechanics of deformable bodies/ IO 1749//RS | sr |
dc.rights | openAccess | sr |
dc.source | Theory of Structures─Monograph dedicated to the memory of late academician Professor dr Milan Đurić | sr |
dc.subject | Thermal analysis | sr |
dc.subject | RC chimney | sr |
dc.subject | Numerical simulation | sr |
dc.subject | Thermoinsulation damage | sr |
dc.title | Thermal Analysis of RC 120m-height chimney of JKP „Beogradske elektrane“ | en |
dc.title | Termička analiza ab dimnjaka visine 120 m JKP „Beogradske elektrane” | sr |
dc.type | bookPart | sr |
dc.rights.license | ARR | sr |
dc.citation.epage | 124 | |
dc.citation.spage | 117 | |
dc.identifier.fulltext | https://grafar.grf.bg.ac.rs/bitstream/id/7199/Grafar_Cetkovic_2_M.pdf | |
dc.identifier.rcub | https://hdl.handle.net/21.15107/rcub_grafar_1874 | |
dc.type.version | publishedVersion | sr |