Tag: geological joints: Page 4

Roadbuilding
Section 103(k) Shutdowns
MSHA’s expansive use of Section 103(k) orders is a derogation of the purpose and intent of an enforcement tool.
March 21, 2012
Safety
Section 103(k) Shutdowns
MSHA’s expansive use of Section 103(k) orders is a derogation of the purpose and intent of an enforcement tool In the last year, the Federal Mine Safety and Health Administration has shut down several mines and imposed significant operating costs on mine operators by expanding the scope and use of Section 103(k) orders. This troubling […]
March 21, 2012
Roadbuilding
The Nation’s Top 25 Construction Aggregates Producers
In 2010, the market appeared to bottom out with production continuing its downward trend and average unit values down for the first time since 1998.
March 21, 2012
Roadbuilding
AGG1: Something Old, Something New
A hard-hit construction industry makes it tough to grow a show, but the 3-year-old AGG1 is creating a place for education and the latest innovations.
March 21, 2012
Business
AGG1: Something Old, Something New
A hard-hit construction industry makes it tough to grow a show, but the 3-year-old AGG1 is creating a place for education and the latest innovations.   Now in its third year, the AGG1 trade show may be in a holding pattern in terms of growth, but it’s setting a record in exhibitor square footage. The […]
March 21, 2012
Roadbuilding
Joints, Humpback Whales and Quarries
Knowledge of geological joints is essential in assuring the economic extraction of crushed stone from quarries, and detailed studies of joints and other planes of weakness should be included in the exploration and quarrying process.
March 21, 2012
Home
Joints, Humpback Whales and Quarries
Knowledge of geological joints is essential in assuring the economic extraction of crushed stone from quarries, and detailed studies of joints and other planes of weakness should be included in the exploration and quarrying process.   A few years ago, I had the pleasure of being a keynote speaker at the annual meeting of the […]
March 21, 2012
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