A state-of-the-art, flexible, easy-to-replace plug-type expansion joint for the Delaware Memorial Bridge-Reference-Cited by-同舟云学术

A state-of-the-art, flexible, easy-to-replace plug-type expansion joint for the Delaware Memorial Bridge

Published:2022 Issue: Volume: Page:
ISSN:2221-3783
Container-title:IABSE Symposium, Prague 2022: Challenges for Existing and Oncoming Structures
language:
Short-container-title:

Author:

Kovach Forest¹,Moor Gianni¹,Ortmann Dominik²

Affiliation:

1. mageba North America Corp., New York, NY, USA

2. mageba Austria, Wels, Austria

Abstract

<p>The modern flexible plug expansion joint, which uses a special polyurethane material rather than the asphaltic material traditionally used, has been developed to offer an optimal small-movement expansion joint solution, in many cases, to bridge construction and maintenance engineers. Its long- term performance is vastly superior to that of the asphaltic plug joint – thanks, for example, to its great strength and elasticity (with the material allowing 650% elongation before failure), its resistance to both very low and very high temperatures, and the special advantages it offers when used to replace old joints in existing structures with minimum impact on traffic. The expansion joint is described, in terms of properties, benefits and installation, with reference to an ongoing project to replace the expansion joints of the Delaware Memorial Bridge.</p>

Publisher

International Association for Bridge and Structural Engineering (IABSE)

Reference4 articles.

1. Life-cycle considerations in the selection and use of bridge expansion joints;Thomas Spuler,2012

2. Braun C. Die Differentialbauweise in Brückenbau. Brückenbau Construction & Engineering, Issue 1/2011. Wiesbaden, Germany: Wiederspahn; 2011.

3. Ancich E. and Chirgwin G. Fatigue Proofing of an In-service Modular Bridge Expansion Joint. Proc. 6th World Congress on Joints, Bearings & Seismic Systems for Concrete Structures, Halifax, Canada. 2006.

4. Moor G., Baillés B. and Pakniat P. Modern flexible plug expansion joints with polyurethane surface – Far superior to the traditional asphaltic type. 10th International Conference on Short and Medium Span Bridges, Quebec City, Canada. 2018.