3D Soil Stress Cubes

 It is difficult for students to visualize both normal and shear stresses in three dimensions (3D) and then transpose the correct stress vectors to a two dimensional soil medium assuming plain strain conditions for various applications (e.g. retaining walls). A 3D wooden cube (3” sides) labeled with all normal and shear stresses is provided to each student to be used as a desktop model during this lecture.


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