The economics of surface mining require the highest production at the lowest lifetime cost per ton (CPT). By combining outstanding build quality with multiple features designed to improve fuel efficiency and reduce downtime, the 4,400-hp Komatsu 980E-5SE electric drive mining truck offers increased speed on grade in deep pit applications. The truck’s redesigned ergonomic automotive-style cab works to increase operator…
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At Virginia Tech, Mining Engineering is a Blast
Virginia Tech Mining and Minerals Engineering Academic Advisor Michelle Crotto recently took first-year general engineering students to the Jack’s Mountain Quarry in Glade Hill, Va., where Hokie mining alumni working for Rockydale Quarries Corp., introduced them to surface mining and blast engineering. Watch: https://vtx.vt.edu/videos/k/2022/10/1_zrwbhgb6.html
Read MoreYokohama Releases Galaxy LDSR 510 Tire for Mining
Yokohama Off-Highway Tires America Inc. released its Galaxy LDSR 510, a new, all-steel dozer and loader radial for surface mining in sizes 17.5R25, 20.5R25 and 23.5R25. The non-directional tread pattern provides “outstanding traction” in both forward and reverse, “enhancing efficiency” in digging, loading and carrying operations, said Dhananjay Bisht, product manager – earthmoving, construction and industrial tires for Yokohama Off-Highway.…
Read MoreRogers Group Responds to Quarry Complaint
July 12, 2022 – According to The Claiborne Progress, some community members maintain that The Rogers Group’s quarry operation in Speedwell, Tenn., “is ruining the land and polluting the air and water while The Rogers Group shows no regard.” This exaggeration was disputed hands-down by The Rogers Group, which stated, “Crushed stone from the plant in Speedwell is being used in the Highway 63…
Read MoreQuestionable Study Raises Health Concerns for Sand and Gravel Workers
A new study by Michigan State University shows an increase in doctor visits for shortness of breath among long-term sand and gravel mine workers in the state, compared to the rate for production workers in other industries. But does the study bring up legitimate concerns or was it designed to highlight a solution to a problem that does not exist?
Read MoreSafety Communication
Improving Worker Safety Through Soft Skill Development. By Joe McGuire, Emily Haas and Lucas Simpson When it comes to workplace communication those in the health, safety and environmental professions tend to focus on compliance [1]. Relatedly, hard skills are often emphasized during trainings to promote compliance. Specifically, a cursory review of Mine Safety and Health Administration (MSHA) annual refresher training…
Read MoreLehigh Expansion Opposed by County
Lehigh Southwest Cement Co. wants to amend its 2012 Reclamation Plan for Lehigh Permanente Quarry near Cupertino, Calif., to increase mining. As part of the amendment, the proposal asks to disturb an area of the “Permanente Ridge” that is about 100 vertical ft. in height and 4,000 ft. across, according to the Palo Alto Times. The company’s proposal would effectively…
Read MorePowered Haulage Safety
With MSHA Focusing On The Risks Of Powered Haulage, Planning And Assessment Are Critical For Quarry Operators. By Brian Hendrix
Read MoreSandvik Debuts Top Hammer XL Drilling System
At a special virtual product launch event, Sandvik Mining and Rock Solutions introduced the Top Hammer XL, its latest innovation in surface top hammer drilling.
Read MoreSandvik Top Hammer XL Launched Virtually
March 24, 2021 – At a special virtual product launch event, Sandvik Mining and Rock Solutions introduced the Top Hammer XL, its latest innovation in surface top hammer drilling. The new, groundbreaking drilling system, targeting large-scale quarry and surface mining customers, offers a faster, more fuel-efficient and more cost-effective way to drill holes 140 to 178 mm (5.5 to 7 in.)…
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