Why does water lower soil bearing capacity?

Ken,

Attached links are some articles by Ward Malisch, a professior I was fortunate enough to have back in the 70’s when I was in college, you may find useful in your teaching assignments in SA.
http://www.concreteconstruction.net/images/Soil%20Compaction%20in%20Residential%20Construction_tcm45-341851.pdf
http://www.concreteconstruction.net/Images/Compacting%20Soils%20and%20Subbases_tcm45-343018.pdf

Thanks Randy, good, simple explanations.

Wow! Finally a thread with “substance”!!!

Great job guys!

Thank you Mr. Mayo.
I concur with Kenton.
All the best.