Cement consumption rose 3.8% last year above prior year figures, to 105 million short tons, according to Portland Cement Association. In matching data, construction aggregates shipments increased by 6% over the same window, according to the US Geological Survey.
Cement conumption by region shows the Pacific grew at the most rapid pace, 9.1% West South Central logged the only decrease, -3.0% against 2014 figures, yet on a volume basis still represented the largest share (20% plus) of the national market.
Low ocean-freight rates, a strong dollar and weak global economic conditions factored heavily in a 34.4 percent increase in cement imports from 2014 to 2015, European mills more than doubling their westbound shipments.
Jason Willett, commodity specialist, US Geological Survey, stimates US construction aggregate consumption of 2.5 billion tons in 2015.
Sand and gravel shipments totaled 931 tons, a 5% increase over 2014; with 48% of that volume representing aggregate for ready mixed and manufactured concrete.
Top states for 2015 sand and gravel production in descending order were Texas, California, Minnesota, Washington and Michigan.
There was 1.5 billion tons of crushed stone shipments (70% limestone, 13% granite) in 2015, a 7% gain over the prior year.
Top states in descending order for crushed stone production were Texas, California, Pennsylvania, Ohio and Michigan; their combined 2015 output was 735 million tons, up 7% year-over-year.