The Effect of Particle Size and Strength on Soil Strength

In the fourth video in the Bare Essentials of Soil Mechanics series, Professor John Burland demonstrates how soil grading (the range of particle sizes in a soil) and soil shape affect a soil's ability to resist load. More engineering teaching resources available on http://expeditionworshed.org In this video Professor Burland uses his base friction model, introduced in video 3 to model how changes to a soil affect its ability to resist the weight of a foundation pressing down on it. He compares the str

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