I went out drinking with a colleague last night. He works in the oil sands industry. We got to arguing about total and effective stresses in soil mechanics and tailings engineering. I illustrated the differences between total stress, effective stress, and pore pressure via our drinks, thus: Add ice to your brandy, and you have [...]
Archive for May, 2009
Effective Stress and Brandy
Posted in brandy, Oil sands, Tailings on May 29, 2009 | Leave a Comment »
Soil Mechanics according to Terzaghi
Posted in Tailings on May 28, 2009 | Leave a Comment »
Yesterday a wise professor made a presentation that caputured an enduring fact and a recent change in tailings analysis and modeling. He did this at a meeting I happened to be in, and I repeat below from his PowerPoint presentation. In 1943, Terzaghi wrote: “Soil Mechanics is the application of the laws of Mechanics and [...]
BC Coal Mining
Posted in British Columbia, Coal, mining on May 28, 2009 | Leave a Comment »
Yesterday I stood outside the office smoking when a pretty lady in a nice car drove by. She stopped and backed up, rolled down the window, and asked why I was not at the dance lesson. “I am on my way,” I protested. I recognized her from my regular West Coast Swing Dance lessons. “Get [...]
II THINK MINING II
Posted in mining on May 27, 2009 | 1 Comment »
For two years I blogged at I THINK MINING. That blog was hosted by InfoMine. I was not paid to write the blog; although I was paid to write technical and engineering-related articles for TechnoMine, which is a part of InfoMine. Earlier this year, some managers of InfoMine became concerned that my blog postings may [...]