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A key element in the process of selecting a choice for culverts or buried bridge type structures is the determination of appropriate shapes and sizes of structure to fit a given site application. While this might seem a fairly innocuous task, it actually brings into play a number of practical and functional issues and concerns related to the

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There are a whole lot of different types of pipes and pipe joints used in the civil engineering industry.  This blog will focus on those associated with sanitary sewer, storm sewer and drainage applications.  What are the different ratings?  How are they defined?  How are they quantified or tested?  All good questions.  I will be referencing mostly

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Pipe stiffness is likely the most commonly referenced and least understood performance parameter in the pipe industry.When most people think of pipes or try to describe pipes, they first describe it by the material it’s manufactured with (i.e. concrete, HDPE, steel, PVC, etc.).  They may also describe it by some physical attributes such as by it’s

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 WHICH VEHICLE IS OF GREATER CONCERN TO THE INSTALLED PIPE? A highway truck weighing 72,000 lbs or a heavy-duty modular trailer weighing 600,000 lbs? If you guessed the highway truck, then you are correct. In this particular case, the reason is the increased number of axles and the contact area that the load is distributed upon. Due to the 600,000

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They all convey water from point A to point B, they all have a level of structural capacity, and they all can be buried.  So, all pipes must be equal, right?  It would be nice to say yes, but that is simply not the case.  Often times many different types of pipe materials can be used for the same application, however, that doesn’t mean that it is

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