Terra CO2 localizes supplementary cementitious material production, harnessing the binding potential of secondary, virgin feedstocks As the drum beat for low carbon concrete binders grows louder in public and private construction markets, supplementary cementitious material developer Terra CO2 Technology Holdings Inc. has a unique value proposition hinging on two critical achievements—one at the bank, the other in the field. Under…
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A visit with ICPI-NCMA Chair-Elect Matt Lynch Next month’s Interlocking Concrete Pavement Institute and National Concrete Masonry Association unification will spawn an organization anchored by segmental concrete producers across North America whose annual output measures upwards of 2 billion square feet of horizontal or vertical surfaces, enclosures, and load-bearing structures. ICPI-NCMA will be poised as a new information, education and…
Read MoreSources: Eco Material Technologies Inc., South Jordan, Utah; CP staff Since an early-2022 launch as Boral Resources and Green Cement successor, Eco Material Technologies has secured its core ASTM C618 fly ash marketing and distribution business, while moving quickly on new opportunities: Harvested coal combustion ash and high value supplementary cementitious material (SCM) processing.
Read MoreSources: BASF Construction Chemicals, Admixture Systems, Cleveland; CP staff
BASF has announced a first-of-its-kind liquid admixture that improves early- and late-age strength development in concrete. Dosed at up to 10 oz./100 cwt, Master X-Seed 55 is a stable suspension of synthetically produced crystalline calcium silicate hydrate (CSH) nanoparticles that facilitate growth of CSH crystals between cement grains and improve overall portland cement hydration.
Read MoreSources: ASTM International, West Conshohocken, Pa.; CP staff
The proposed WK53768, New Specification for Colloidal Silica standard will inform concrete practitioners on a supplementary cementitious material—emerging from the field of nanotechnology—that imparts strength and durability characteristics in finished slabs and structures.
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