Rock Products

MAY 2019

Rock Products is the aggregates industry's leading source for market analysis and technology solutions, delivering critical content focusing on aggregates-processing equipment; operational efficiencies; management best practices; comprehensive market

Issue link: https://rock.epubxp.com/i/1113847

Contents of this Issue

Navigation

Page 13 of 95

12 • ROCK products • May 2019 www.rockproducts.com IN THE KNOW FAST FACT The esƟmated annual output of crushed stone produced for consumpƟon in 2018 was 1.41 Gt, an increase of 4% compared with that of 2017. An estimated 599 million metric tons (Mt) of total construction aggregates was produced and shipped for con- sumption in the fourth quarter of 2018, an increase of 5% compared with that of the same period of 2017, according to Jason Willett, U.S. Geological Survey (USGS) crushed stone commodity specialist. "The estimated annual output of con- struction aggregates produced for consumption in 2018 was 2.37 billion metric tons (Gt), an increase of 5% com- pared with that of 2017," Willett said. An estimated 359 (Mt) of crushed stone was produced and shipped for con- sumption in the fourth quarter of 2018, an increase of 5% compared with that of the same period of 2017. The estimated annual output of crushed stone produced for consumption in 2018 was 1.41 Gt, an increase of 4% compared with that of 2017. The estimated output of construction sand and gravel produced and shipped for consumption in the fourth quarter of 2018 was 241 Mt, an increase of 4% compared with that of the same period of 2017. The estimated annual output of con- struction sand and gravel produced for consumption in 2018 was 961 Mt, an increase of 7% compared with that of 2017. The above estimates are based on information reported to the USGS quar- terly sample survey of construction aggregates producers in the United States. Shipments of portland and blended cement increased by 2% in the fourth quarter of 2018 compared with the fourth quarter of 2017. Annual con- sumption increased by 3% in 2018, compared with that of 2017. This information is obtained from the USGS monthly survey of U.S. cement producers. Aggregates Production Rises 5% in 2018 DMax TM is our new series of screen panels featuring ultra-high open area. By reducing bridge width between apertures, DMax features more openings on the screen panel surface, which translates to increased product pass-through. Used in concert with with our versatile PipeTop II™ support frame, DMax has proven to be extremely effective. If product pass-through and screening efficiency are the keys to your production goals, DMax and PipeTop II are an unbeatable open area combination. Visit polydeck.com to learn more. is our new series of screen panels featuring ultra-high open area. By reducing bridge width between openings on the screen panel surface, which translates to increased product pass-through. Used in concert with with our versatile has proven to be extremely effective. If product pass-through and screening and NEED MORE OPEN AREA? INCREASE SCREENING EFFICIENCY BY 25% OR MORE

Articles in this issue

Links on this page

Archives of this issue

view archives of Rock Products - MAY 2019