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*Not Quite Everything****More of a RefresherWhat exactly is liquid limit? What does plasticity actually mean? What’s the cut-off between a gravel and a sand? We can pretty much blame three people for the majority of the soil classification terminology used in civil engineering today: a Swedish fellow named Albert Atterberg, and two

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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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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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All too often I am reminded of the American industrialist, J. Paul Getty’s quote, “In times of rapid change, experience could be your worst enemy.”  Even though Mr. Getty was an oil baron, these words ring true within the civil engineering community.  How many times have you been in a meeting and heard an experienced person make a comment like, “we

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Resistivity has to be one of my top ten favorite words used in the engineering community, and today I would like to dive a little deeper into how important this factor is in the longevity and durability of a pipe’s life cycle – hence the reciprocity or  “give back” of resistivity.I was thinking about the questions I often have to field with regard

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