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CONFERENCE PROCEEDINGS
6th INTERNATIONAL CONFERENCE
CONTEMPORARY ACHIEVEMENTS IN CIVIL ENGINEERING 2018 , 2018.y., pp. 17-24


INTEGRAL BRIDGES - LENGTH LIMITATION, TRANSITION SLABS, EXAMPLES
 
DOI: 10.14415/konferencijaGFS2018.000
UDC: 624.21.012.1/.4
CC-BY-SA 4.0 license
Author : Meteș, Elena; Toduți, Luiza; Petzek, Edward; Băncilă, Radu
 
 Summary:
 Integral abutment bridges are becoming popular in Europe, mainly due to long term reduced maintenance costs. The lack of bearings and expansion joints means that the consumables are eliminated ensuring a longer life span of the structure and minimizing the need of human intervention. Most integral bridges usually have small or middle lengths, but in the last years longer bridges are being built. Special attention should be given to the soil-abutment interaction, as the bridge lengthens and shortens during the day and during the year, due to temperature differences and loading. Therefore the soil structure should accommodate the cyclic movements of the abutment and avoid settlements and cracks. Transition slabs are also key elements and targeted design can improve the behavior of the bridge. In the past years several integral bridges were built in Romania. The paper presents examples with bridges from the Romanian Motorway system, addressing the specific needs and adopted solutions in regard to their lengths.
 
 Keywords:
 Integral abutment, jointless bridge, transition slab