Tag: crushed stone

Photo:

Gibraltar Rock, Sahara Sand team on JFK Airport reconstruction

July 10, 2019By

The divisions of the Silvi Group Cos. are nearing the finish line on the delivery of 185,000 tons of sand and stone for runway No. 3 at the airport.

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The top 20 sand and gravel producers in the nation accounted for nearly 270 million metric tons in 2016, USGS reports. Photo: Kevin Yanik

USGS: Crushed stone consumption up 13 percent in first quarter

June 13, 2019By

An estimated 281 million metric tons of crushed stone were produced and shipped for consumption in the U.S. in the first quarter of 2019, a 13 percent increase from last year.

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According to Dynatrol, its switches require no adjustments and have no moving parts. Photo courtesy of Dynatrol

Level switch made for abrasive materials

May 28, 2019By

Dynatrol’s DJ level switch is designed for bins or tanks in problem applications such as dust collection, sand, gravel, rock, crushed stone, ore, talc mine, crushed dolomite and recycled crushed concrete.

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Photo by Allison Barwacz

USGS: Aggregate consumption up in fourth quarter 2018

March 25, 2019By

An estimated 599 million metric tons of total construction aggregate was produced and shipped in the fourth quarter of 2018.

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Photo by Allison Barwacz

USGS: Aggregate production increases in third quarter 2018

December 19, 2018By

An estimated 694 Mt of total construction aggregate were produced and shipped for consumption in the United States in the third quarter of 2018, the United States Geological Survey reports.

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Quarry Academy

Sandvik, Dyno Nobel host Quarry Academy

November 19, 2018By

Quarry Academy, the annual seminar co-hosted by Sandvik Mining & Rock Technology and Dyno Nobel, wrapped up its 14th installment in San Antonio.

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Van Tongeren America's mobile classification system

Mobile classification system separates aggregate without water

October 30, 2018By

A new, self-contained particle separation system from Van Tongeren America fits on a standard truck base.

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USGS: Aggregate production up in second quarter 2018

October 3, 2018By

An estimated 658 million metric tons of total construction aggregate was produced and shipped for consumption in the United States in the second quarter of 2018.

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