Sustainable Solutions

Repurpose Aggregates Uses CDE Technology For Materials Reuse. By Mark S. Kuhar Based in Maryland, Repurpose Aggregates is an enterprise focused on developing aggregate materials from the innovative reuse and repurposing of leftover or discarded construction, demolition and excavation (CD&E) waste. A product of Harford Minerals, Repurpose Aggregates is an extension of the company’s mission to create a new sustainability…

Read More

More and Bigger Are Not Always Better

How to Properly Engineer Efficiency At Your Aggregates Site. By Jason Crain In the years I have been working with conveyors and helping troubleshoot issues, spec systems and supply solutions, I run across the same comment at almost every facility: “We are trying to maximize output and efficiencies with what we have.” Today, market demand is higher than ever, so…

Read More

Screening: Mastering the Art of Sizing and Separation

Strategies and Products To Accelerate Productivity And Efficiency. By Mark S. Kuhar Screening can be a bottleneck in aggregate production. Cases of quarries operating with high rates of return and contamination of materials in their screens are not uncommon, as are stoppages in times of higher humidity and rain. According to Metso Outotec, one solution is to analyze the feed…

Read More

Safety Training: Engagement and Communication

Revisiting Safety Culture And Gaps In Worker Development During Organizational Uncertainty. By Joseph McGuire, Emily J. Haas and Lucas Simpson Changes to the workplace have required organizations to reconsider their approaches to workers’ daily task processes, training, and ongoing development. This even includes how and in what ways management may choose to communicate with workers during their normal workdays.  A…

Read More

Solving Water Management Issues

Fines Recovery, Clarifiers, Belt And Filter Presses, Dewatering Screens, Waste Washing And More. By Mark S. Kuhar Water management is becoming more and more important for aggregates producers. That is no surprise, given the water issues prevalent in the United States, especially in the West. Lake Mead – the largest reservoir in the Colorado River Basin – is losing water…

Read More

A Rock Products Special Report: Silicosis, Asthma, COPD and Michigan’s Sand, Gravel and Stone Miners

By Joe McGuire This Rock Products special report, authored by safety consultant Joseph McGuire, was written to refute the findings in a recently released study, “Evaluation of Silicosis, Asthma and COPD Among Sand and Gravel, and Stone Surface Mine Workers.” – Ed.

Read More

Mastering Stratification to Increase Productivity

Increased Stratification Leads To A Greater Quantity Of Fine Material Passing Through The Open Area Of The Screen Media, Increasing The Effective Capacity Of The Machine. By Matthew Armstrong Aggregate and mining producers are likely familiar with the concept of stratification, a natural phenomenon vital to their material screening productivity. Stratification is the process by which vibration in a bed…

Read More

Recycling Asphalt Waste A Solution To Material Shortages

Managing And Procuring Materials In The Construction Industry Is Rapidly Becoming A Concern, Due To Material Shortages And Rising Costs.  The tasks behind maintaining roads involve removing the old asphalt and laying down a new layer. Recycling old materials requires time to crush everything down to usable size. Now, the question is: how do you speed up this process?  In…

Read More

McLanahan Builds Its Largest Primary Impact Crusher

The New Holland Style Impactor Weighs More Than 200,000 lb. and Can Handle Up To 3,500 TPH Of Quarry Shot Rock. McLanahan Corp. has built and shipped the largest primary impact crusher it has ever manufactured – a New Holland style impactor weighing more than 200,000 lb. The impactor has a 74-in. wide by 125-ft. tall feed opening and can…

Read More

The Labor Shortage

Examining The What, Why And How Behind An Ever-Growing Problem. By the Association of Equipment Manufacturers “It feels like a perfect storm… A hurricane and a tornado, all rolled up into one.” Dr. Rachel Sederberg didn’t mince words when describing the seriousness of the labor shortage in the United States. It’s long been a problem, and now it’s getting (much)…

Read More
1 2 3 41