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Tag Archives: Grady Hillhouse

Segmentation – How Can a Sand Castle Hold Up a Car?

Innovation ExamplesBy Tim HamptonJanuary 17, 2018

In his YouTube video Grady Hillhouse explains “Dirt is probably the cheapest and simplest construction material out there, but it’s not very strong compared to other choices. Luckily geotechnical engineers have developed a way to strengthen earthen materials with almost no additional effort…” The secret is Principle 1 – Segmentation. To prevent a soil structure from…

Preventing Water Hammer – Principle 29

Innovation ExamplesBy Tim HamptonJanuary 11, 2018

In one of his Practical Engineering YouTube videos, Grady Hillhouse describes the phenomenon of water hammer. When the inertia of moving water is dissipated as the flow of water is interrupted suddenly, it can cause a severe shock. In some homes this manifests itself as banging pipes when water flow is stopped quickly by closing…

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