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A platform for research: civil engineering, architecture and urbanism
APPLICATION OF EXTERNAL PRESTRESSING TO TIMBER-CONCRETE COMPOSITE BEAMS ; PRIMENA VANJSKOG PREDNAPREZANJA NA SPREGNUTE NOSAČE DRVO-BETON
Timber-concrete composite beams are classified as modern constructions. They are created by connecting a timber and concrete element. They are designed in such a way that the concrete part of the beam is placed in the compressed zone, and the timber part is placed in the tension zone. Different types of fasteners can be used for connecting, from mechanical (screws, nails, perforated plates, parts of steel profiles, etc.) to chemical (various types of glues). In this work, the possibility of active strengthening for this type of beam by external prestressing, is examined. One way for applying an external prestressing force is shown. By experimental testing are determined results for prestressed and beam without prestressing. Obtained results are presented and compared. ; Spregnuti nosači drvo-beton svrstavaju se u red savremenih konstrukcija. Nastaju spezanjem drvenog i betonskog nosača. Projektuju se na taj način da se betonski deo nosača postavlja u pritisnutoj zoni, a deo nosača od drveta u zategnutoj zoni. Za sprezanje se mogu koristiti različiti tipovi moždanika, od mehaničkih (zavrtnjevi, ekseri, perforirane ploče, delovi čeličnih profila i dr.), do hemijskih (razne vrste lepkova). U ovom radu je ispitanja mogućnost aktivnog ojačanja ovakvog nosača vanjskim prednaprezanjem. Prikazan je jedan način apliciranja vanjske sile prednaprezanja. Priloženi su određeni rezultati ispitivanja prednapregnutih nosača i upoređeni sa istim takvim nosačima, ali bez ojačanja.
APPLICATION OF EXTERNAL PRESTRESSING TO TIMBER-CONCRETE COMPOSITE BEAMS ; PRIMENA VANJSKOG PREDNAPREZANJA NA SPREGNUTE NOSAČE DRVO-BETON
Timber-concrete composite beams are classified as modern constructions. They are created by connecting a timber and concrete element. They are designed in such a way that the concrete part of the beam is placed in the compressed zone, and the timber part is placed in the tension zone. Different types of fasteners can be used for connecting, from mechanical (screws, nails, perforated plates, parts of steel profiles, etc.) to chemical (various types of glues). In this work, the possibility of active strengthening for this type of beam by external prestressing, is examined. One way for applying an external prestressing force is shown. By experimental testing are determined results for prestressed and beam without prestressing. Obtained results are presented and compared. ; Spregnuti nosači drvo-beton svrstavaju se u red savremenih konstrukcija. Nastaju spezanjem drvenog i betonskog nosača. Projektuju se na taj način da se betonski deo nosača postavlja u pritisnutoj zoni, a deo nosača od drveta u zategnutoj zoni. Za sprezanje se mogu koristiti različiti tipovi moždanika, od mehaničkih (zavrtnjevi, ekseri, perforirane ploče, delovi čeličnih profila i dr.), do hemijskih (razne vrste lepkova). U ovom radu je ispitanja mogućnost aktivnog ojačanja ovakvog nosača vanjskim prednaprezanjem. Prikazan je jedan način apliciranja vanjske sile prednaprezanja. Priloženi su određeni rezultati ispitivanja prednapregnutih nosača i upoređeni sa istim takvim nosačima, ali bez ojačanja.
APPLICATION OF EXTERNAL PRESTRESSING TO TIMBER-CONCRETE COMPOSITE BEAMS ; PRIMENA VANJSKOG PREDNAPREZANJA NA SPREGNUTE NOSAČE DRVO-BETON
Maslak, Emir (author) / Stojić, Dragoslav (author) / Mešić, Esad (author) / Cvetković, Radovan (author)
2023-10-26
Facta Universitatis, Series: Architecture and Civil Engineering; Vol. 21, No 2, 2023; 225-239 ; 2406-0860 ; 0354-4605
Article (Journal)
Electronic Resource
English
DDC:
690
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