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Bridge deck relocation at Z-32 over the AP-68 highway: case study of transversal deck sliding over its bearings and relocation

Ingeniero de Caminos, Canales y Puertos. FREYSSINET S.A.U.

Ingeniero de Caminos, Canales y Puertos. INES INGENIEROS CONSULTORES

Ingeniero Industrial. FREYSSINET S.A.U.


The right-hand road of the Z-32 road connects the AP-68 toll road with the A-68 highway in the north direction, in the district of Monzalbarba (Zaragoza). In its layout it has a unique structure with seven openings in a left-leaning curve according to the direction of the circulation, which is saved by the AP-68 and the Zaragoza suburban railroad tracks. The board has an 3 stack joint that divides it into two parts, the first between the E1 bracket and the said stack and the second one up E2 bracket. Between July and September of 2016 the first body of the board suffered a lateral sliding on its neoprene supports with maximum value of almost 20 cm in E1 stirrup. This led to the need to carry out a repair intervention that consisted, basically, in the lifting and ripping with rotation of the structure. 

Deck, Displacement, Relocation, Elastomeric bearing, Computer assisted jacking, Moving transverse, Jack.

Asociación Española de la Carretera
Goya, 23 - 4º Right.
28001 - MADRID (Spain)
Tel .: (34) 91 5779972
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