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Stress transfer due to creep of concrete on composite bridges

Dragutin Horvatić
Darija Živni

Puni tekst: hrvatski, pdf (221 KB) str. 573-578 preuzimanja: 619* citiraj
APA 6th Edition
Horvatić, D. i Živni, D. (2001). Naponska prelaganja od puzanja betona na spregnutim mostovima. Građevinar, 53 (09.), 573-578. Preuzeto s https://hrcak.srce.hr/12089
MLA 8th Edition
Horvatić, Dragutin i Darija Živni. "Naponska prelaganja od puzanja betona na spregnutim mostovima." Građevinar, vol. 53, br. 09., 2001, str. 573-578. https://hrcak.srce.hr/12089. Citirano 30.09.2020.
Chicago 17th Edition
Horvatić, Dragutin i Darija Živni. "Naponska prelaganja od puzanja betona na spregnutim mostovima." Građevinar 53, br. 09. (2001): 573-578. https://hrcak.srce.hr/12089
Harvard
Horvatić, D., i Živni, D. (2001). 'Naponska prelaganja od puzanja betona na spregnutim mostovima', Građevinar, 53(09.), str. 573-578. Preuzeto s: https://hrcak.srce.hr/12089 (Datum pristupa: 30.09.2020.)
Vancouver
Horvatić D, Živni D. Naponska prelaganja od puzanja betona na spregnutim mostovima. Građevinar [Internet]. 2001 [pristupljeno 30.09.2020.];53(09.):573-578. Dostupno na: https://hrcak.srce.hr/12089
IEEE
D. Horvatić i D. Živni, "Naponska prelaganja od puzanja betona na spregnutim mostovima", Građevinar, vol.53, br. 09., str. 573-578, 2001. [Online]. Dostupno na: https://hrcak.srce.hr/12089. [Citirano: 30.09.2020.]

Sažetak
The issue of a more accurate calculation of stress transfer induced by creep of concrete was raised during conversion of the European prestandard for bridges ENV-1994-2 into the European standard (EN). For smaller spans of composite bridges the proportion of concrete is relatively higher, so that the influence of creep on girder is also higher. In a more accurate analysis the coefficient of creep φ should be corrected using factors ΨA,L and ΨI,L. The genesis of creep multipliers Ψ is presented and the differences which, according to allowable approximation, are not always on the side of safety, are illustrated by an example.

Ključne riječi
creep of concrete; effective modulus; ratio nL; creep multiplier Ψ; relaxation coefficients; stress changes

Hrčak ID: 12089

URI
https://hrcak.srce.hr/12089

[hrvatski]

Posjeta: 880 *