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This article is the third part in a blog article series focused on the basic fundamentals related to selecting material type, structure type, structure shape and size selection for culverts and buried bridge structures. Part 1 of this series was intended to be a brief overview of the various key factors related to the process of logical structure

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Defined by the US Department of Homeland Security, Infrastructure Resiliency is the ability to reduce the magnitude and/or duration of disruptive events. The effectiveness of a resilient infrastructure or enterprise depends on its ability to anticipate, absorb, adapt to, and/or rapidly recover from a potentially disruptive event. That being the

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Corrugated Steel Pipe (CSP) has a long history of use for culverts and other drainage applications since the product first came to market in 1896.  Galvanized (zinc coated) steel was the first protective metallic coating used to increase the service life of corrugated steel pipe.  Galvanized works well to increase the life span of steel in many

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Airports, theme parks, banks and grocery stores – we’ve all had the annoyance of standing in line, but in the wastewater pipe world, getting “in line” can be a good thing.Traditionally, designers of large diameter wastewater conveyance systems choose to incorporate concrete structures in order to provide necessary access for maintenance, to change

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Load DissipationAs promised, here is the second part of this two-part blog series. In the first section, I discussed the standard live load design vehicles and presented the design methodology of these vehicles. In the second part of this series, I will discuss how the live load dissipates, and how to determine the live load pressure at various

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