Considering Manufactured Sand

All Over The World There Are Signs That Sand Shortages Will Be a Reality. Is It Time To Get Serious About Manufactured Sand? By John Googins This is the third in a three-part series on manufactured sand. This article focuses on product gradation. – Ed. Since you all have different material sources, sand, gravel, quarry, limestone, granite, quartzite, basalt, etc.,…

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Bring on the Girth Gear

Two Companies Worked Together To Help A Limestone Plant Extend Critical Kiln Life.  By Mark S. Kuhar A leading U.S. limestone producer whose products are used in essential industrial processes and agricultural applications had challenges with one of its many rotary kilns. The kiln’s girth gear and pinions were wearing out after 40 years of continuous operation and maintenance. Taking…

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Making a Fleet Change

Find Out How The Quarry At Argos USA’s Martinsburg Cement Plant Optimized Its Loading And Hauling Operations. By Mark S. Kuhar Argos USA’s Martinsburg cement plant, acquired in 2016, operates a limestone quarry in the West Virginia panhandle. Quarry operations there began around 1900 underground for lime-grade high-calcium limestone; and on the surface for cement grade limestone.  After purchasing the…

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Effective Water Usage

Quarry Operations Can Maximize Productivity With Better Process Management. By Marc Carriere and Wayne Johnstone Effective water usage improves safety and profitability in mining operations but establishing a secure and reliable supply of process water at every level of a mine can be surprisingly difficult.  The absence of a dependable and consistent water supply has significant consequences. Variations in water…

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Sky-High Intelligence

Hamm Companies Ups Drone Flight Time/Value By Outsourcing Data Processing. By Mark S. Kuhar Founded in 1954, Hamm Companies operates highway construction, aggregates and waste services divisions. With headquarters in Perry, Kan., the company manages multiple quarries of native limestone rock, two asphalt plants, ready-mix concrete services, highly engineered and environmentally safe landfills for non-recyclable waste materials, and waste transfer…

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The Eco-Economics of Electric Dredges

It Is Time To Consider A More Accurate And Comprehensive Cost/Benefit Analysis Of Electric Versus Diesel-Powered Dredges. By Cash McCloy In 2021 it is time to consider a more accurate and comprehensive cost/benefit analysis of electric versus diesel-powered dredges. Many variables have changed and improved in recent years, and consistent patterns have emerged over time about diesel engine maintenance. A…

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Water

Dire Reports of Water Shortages Mean Processing, Usage and Recycling Challenges for Quarry Operations. By Mark S. Kuhar Water: Quarry operations need it. Municipalities protect it. Community members worry about it. Congress legislates it. Manufacturers devise ways to utilize it to the benefit of everyone. The balance between too much and not enough is often difficult to achieve.

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