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Sandcastle engineering – a geotechnical engineer explains how water, air and sand create solid structures

By Joseph Scalia, Associate Professor of Civil and Environmental Engineering, Colorado State University
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If you want to understand why some sandcastles are tall and have intricate structures while others are nearly shapeless lumps of sand, it helps to have a background in geotechnical engineering.

As a geotechnical engineering educator myself, I use sandcastles in the classroom to explain how interactions of soil, water and air make it possible to rebuild landscapes after mining metals critical to…The Conversation

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