Cool 4D Video Simulation of Groundwater Contamination Plume Migration

DeWind One-Pass Trenchers can install Mixed in Place Soil Bentonite, or Soil Cement Bentonite Walls up to 125′ deep. Their powerful trenchers can homogenize all of the native soils with various additives. The mixing paddles […]

A colleague of mine sent me an amazing video of a culvert failure and subsequent road collapse in Freeport Maine during a storm. The culvert was unable to accommodate the high volume of water, and it was backing up behind the roadway embankment like a dam, and spilling out onto the roadway. In a span of about 3 minutes, the entire section of road collapsed and was washed downstream. I don’t know the exact date the video was taken, but it appears to be in August of 2008. Click through for the video.

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This is a pretty remarkable 4-year time-lapse video of the construction of a new spillway as part of the Calaveras Dam replacement project. [Source: SFWater Power and Sewer YouTube Channel via Hat tip to my […]