Internal curing, recycled rock, SCC, MOE topics join key ACI reference

The American Concrete Institute has expanded the scope of ACI 301-20, Specifications for Concrete Construction, to include internal curing, mineral fillers and recycled aggregates, along with evaluation requirements for elements cast with self-consolidating mixes and structures with defined modulus of elasticity requirements. Compliance details have been updated to align with ACI 318-19, Building Code Requirements for Structural Concrete—providing clarity on…

Read More

Build with Strength prepares Concrete Credentials Podcast Season 2

Concrete Credentials, a podcast by the National Ready Mixed Concrete Association plus its affiliated Build with Strength and Pave Ahead coalitions, is set for a second season in early 2021, following a July 2020 launch. Hosted by NRMCA Executive Vice President Gregg Lewis, AIA, LEED AP, the series has featured experts from design, development and construction sectors in an effort…

Read More

Concrete Industry Management Program arrives in South Dakota

The South Dakota State University Jerome J. Lohr College of Engineering will soon offer a four-year bachelor of science degree in Concrete Industry Management. The Brookings school will bring the program to prospects across the Midwest and complement the established CIM venues of Middle Tennessee State University, Murfreesboro; New Jersey Institute of Technology, Newark; Texas State University, San Marcos; and,…

Read More

NCMA programs a virtual live event as alternative to Music City meeting

Due to safety precautions plus travel and event programming complications surrounding the pandemic, the National Concrete Masonry Association will not conduct the in-person ICON Expo 2021: Machinery & Equipment Show, originally scheduled for February 12-13. In lieu of a Nashville gathering anchored by a second triennial Machinery & Equipment exhibit—the 2018 debut of which saw a parade of five block…

Read More

Training center, new prestressed plant lead Knife River capital plan

A five-year, $3 billion capital investment plan Bismarck, N.D. parent MDU Resources Inc. unveiled in late 2020 sees Knife River Corp. budgeting for construction of a prestressed concrete plant in Spokane, Wash. and employee training center in Albany, Ore., plus development of the Honey Creek Quarry in Burnet County, Texas. The new Knife River Prestress operation will succeed a legacy…

Read More

Fly ash use in concrete up slightly; overall ash recycling rate down

Fifty-two percent of the coal ash produced during 2019 was recycled, marking the fifth consecutive year that more than half of the power generating station byproduct in the United States was beneficially used rather than disposed. The volume of fly ash used in concrete, 12.6 million tons, marks a 1 percent increase over 2018 consumption. Year-over-year use of fly ash…

Read More

St. Marys, McInnis JV alters Northeast, Great Lakes cement supply chain

The parent companies of St. Marys Cement Inc., Toronto, and McInnis Cement Inc., Montreal plan to combine their production and distribution assets serving Canada and United States markets from the Atlantic seaboard to the Great Lakes. With respective stakes split 83 percent and 17 percent, their joint venture will be owned by Votorantim Cimentos International, the global investments platform of…

Read More

Jensen Precast closes on EnCon United plants in Washington State

Sources: Jensen Precast, Reno, Nev.; CP staff Jensen Precast has acquired the EnCon Northwest LLC and EnCon Washington LLC precast concrete plants in Camus and Puyallup, Wash. The deal provides Pacific Northwest infrastructure customers with direct access to the suitor’s portfolio of utility vaults and pull boxes, box culvert, stormwater systems, highway barriers, pump stations, underground enclosures, and earth retention…

Read More