<abstract xmlns="http://www.w3.org/1999/xhtml"><p>In designing of reinforced concrete bridges are often used pre-cast of pre-tensioned or post-tensioned prestressed members. In professional practice, when designing bridge span pre-cast of pre-tensioned prestressed beams IG type, different axial beams spacing’s are used and they are joined by a reinforced concrete slab. The paper presents a comparative analysis of an influence of the axial spacing of IG type beams in the cross-section of the bridge, on the bridge span effort, using standards PN-85/S-10042 and PN-EN 1992-2:2010. The optimal axial spacing of pre-cast IG type beams is presented, while maintaining the standard conditions of ULS (Ultimate Limit State). Such a solution has a positive impact on the costs of the entire project, significantly lowering the global investment cost.</p></abstract>

In designing of reinforced concrete bridges are often used pre-cast of pre-tensioned or post-tensioned prestressed members. In professional practice, when designing bridge span pre-cast of pre-tensioned prestressed beams IG type, different axial beams spacing’s are used and they are joined by a reinforced concrete slab. The paper presents a comparative analysis of an influence of the axial spacing of IG type beams in the cross-section of the bridge, on the bridge span effort, using standards PN-85/S-10042 and PN-EN 1992-2:2010. The optimal axial spacing of pre-cast IG type beams is presented, while maintaining the standard conditions of ULS (Ultimate Limit State). Such a solution has a positive impact on the costs of the entire project, significantly lowering the global investment cost.

Assessment of the Effect of the Pre-cast Beams IG Axial Spacing on the Effort Bridge Span

Conference Quality Production Improvement – CQPI

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

In designing of reinforced concrete bridges are often used pre-cast of pre-tensioned or post-tensioned prestressed members. In professional practice, when...

Assessment of the Effect of the Pre-cast Beams IG Axial Spacing on the Effort Bridge Span

Publié en ligne: 08 oct. 2019

Pages: 281 - 288

Reçu: 04 avr. 2019

Accepté: 15 mai 2019

DOI: https://doi.org/10.2478/cqpi-2019-0038

Mots clés
bridge IG type beams, pre-cast bridge beams, pre-tensioned prestressed concrete beams

© 2019 Roman Gąćkowski et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Assessment of the Effect of the Pre-cast Beams IG Axial Spacing on the Effort Bridge Span

Publié en ligne: 08 oct. 2019

Pages: 281 - 288

Reçu: 04 avr. 2019

Accepté: 15 mai 2019

DOI: https://doi.org/10.2478/cqpi-2019-0038

Mots clésbridge IG type beams, pre-cast bridge beams, pre-tensioned prestressed concrete beams

© 2019 Roman Gąćkowski et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
bridge IG type beams, pre-cast bridge beams, pre-tensioned prestressed concrete beams