Ambitious $450 billion highway bill may hit speed bump
At a June 18 Capitol Hill news conference, the Democratic and Republican leaders of the House Committee on Transportation and Infrastructure released their blueprint for the next surface transportation authorization bill...
Engineers trace concrete creep to calcium silicate hydrate shifting in matrix
Calcium silicate hydrate (C-S-H) granules’ tendency to rearrange into altered densities--some looser, others more tightly packed--leads to creep, the deformation concrete experiences under loading...
NCMA, ICPI explore mutual promotion, member support strategies
During a recent two-day session in Chicago, NCMA and Interlocking Concrete Pavement Institute representatives discussed how their groups could jointly promote paving stones and segmental retaining wall units, and support development of hardscape unit contractors/installers...
Post-Rockwood Equipment Design Group rebranded Rusticator Machinery
In-line concrete masonry and hardscape unit surface treatment/distressing specialist Equipment Design Group is now operating as Rusticator Machinery, with Bradley Price at the helm...
Senate Dems’ Clean Water Act expansion fosters sweeping federal power grab
The Senate Environment and Public Works Committee approved in a vote along party lines (12-7) the Clean Water Restoration Act (S. 787), empowering the Environmental Protection Agency and Army Corps of Engineers with authority far beyond the original Clean Water Act...
Cemstone brings high-reactivity metakaolin SCM into mainstream mix design
Under a new partnership with Calgary-based Whitemud Resources Inc., Cemstone has begun using WhitemudMK high-reactivity metakaolin (HRM) as a supplementary cementitious material in concrete mix designs for heavy/civil work...
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