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Timber-concrete composite structures

Spregnuti nosači drvo-beton

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Authors
Stevanović, Boško
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Abstract
Classical composite steel-concrete beams are being used in construction practice already for a long time. However, in the recent few years a new form of composite beams in which wood is used instead of steel, is more and more present in the world. The results of this idea are coupled timber-concrete girders, which are successfully used in many structures. Such composite beams are used in bridges, in floor structures and walls in building construction and in industrial buildings. Composite timber-concrete beams are used in reconstruction and remedy of timber floor structures. This paper presents basic characteristic of composite timber-concrete beams, way of coupling, shear connectors and basic assumptions for calculation. Paper also presents rebuilding of floors of several buildings, where nails were used as shear connectors between timber and concrete.
Klasično spregnuti nosači od čelika i betona već se dugo upotrebljavaju u građevinskoj praksi. Međutim, poslednjih godina u svetu je sve prisutniji jedan novi oblik sprezanja, gde se umesto čelika koristi drvo. Rezultat ove ideje su spregnuti nosači od drveta i betona, koji se uspešno primenjuju u mnogim konstrukcijama - kod mostova, kod međuspratnih konstrukcija i zidova u visokogradnji i industrijskim objektima. Pored ovoga, sprezanje drveta i betona koristi se pri rekonstrukciji i sanaciji međuspratnih drvenih konstrukcija. U radu su prikazane osnovne karakteristike spregnutih nosača drvo-beton, načina sprezanja, sredstava za sprezanje, kao i osnovnih postavki proračuna. Pored toga, prikazana je i sanacija međuspratnih konstrukcija na vise objekata, gde su kao sredstva za sprezanje korišćeni ekseri.
Keywords:
timber / concrete / composite beam / nail shear connectors / drvo / beton / spregnuti nosač / ekser / sredstva za sprezanje
Source:
Izgradnja, 2000, 54, 2-3, 59-65
Publisher:
  • Udruženje inženjera građevinarstva, geotehnike, arhitekture i urbanista "Izgradnja", Beograd

ISSN: 0350-5421

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URI
http://grafar.grf.bg.ac.rs/handle/123456789/15
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  • Radovi istraživača / Researcher's publications
  • Катедра за материјале и конструкције
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