The concrete/masonry arch culvert in Harborcreek Twp. was built in 1949, and on average, about 3,700 vehicles a day drive on the roadway in that area. The metal pipe culvert in Summit Twp.

Buried pipe systems are critical infrastructural ... pressure determination on the top slab of hinged prefabricated box culverts. This work, based on combined field tests and advanced numerical ...

As the Washington State Department of Transportation spends billions of dollars removing concrete and metal pipes that ... crews have ripped out the pipes, known as culverts, which run under ...

The PIPE-i robot was designed with that fact in mind, as it takes the place of a human when inspecting such structures. Created by New Zealand engineering firm Beca, PIPE-i was developed over a ...

They discuss how fish would have a hard time jumping up into this pipe and wiggling through to the other side. This culvert has not ... a natural bottom instead of metal. The standard is thought ...