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2007•IABSE Symposium Weimar 2007. Improving Infrastructure WorldwideInternational Association for Bridge and Structural EngineeringRequires access

Building US Railroad Bridges within Hours a.k.a. “Railroad Bridge Change-outs”

Fernando Moreu

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Abstract

This paper describes the replacement and upgrading of railroad bridges in the United States (US), through specific “change-outs” case examples, identifying the different factors which make them the keystone of railroad bridge maintenance, repair and replacement nowadays. It also covers advancements in the railroad industry related to railroad bridge upgrades which minimize railroad traffic interruptions. Finally, it identifies potential areas of development and expansion from these lessons learned on railroad engineering which might be useful for other structural engineers involved with infrastructure design, construction and maintenance.

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What this paper is about

This paper describes the replacement and upgrading of railroad bridges in the United States (US), through specific “change-outs” case examples, identifying the different factors which make them the keystone of railroad bridge maintenance, repair and replacement nowadays. It also covers advancements in the railroad industry related to railroad bridge upgrades which minimize railroad traffic interruptions. Finally, it identifies potential areas of development and expansion from these lessons learned on railroad engineering which might be useful for other structural engineers involved with infrastructure design, construction and maintenance.

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Available abstract

This paper describes the replacement and upgrading of railroad bridges in the United States (US), through specific “change-outs” case examples, identifying the different factors which make them the keystone of railroad bridge maintenance, repair and replacement nowadays. It also covers advancements in the railroad industry related to railroad bridge upgrades which minimize railroad traffic interruptions. Finally, it identifies potential areas of development and expansion from these lessons learned on railroad engineering which might be useful for other structural engineers involved with infrastructure design, construction and maintenance.

Key concepts: Bridge (graph theory), Engineering, Transport engineering, Forensic engineering, Rail traffic, Bridge maintenance, Construction engineering, Civil engineering

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