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Tag: cementitious materials

Sika colloidal silica agent arms contractors to control slab destiny

Concrete News

Nanotechnology driving deployment of particles far smaller than those typical of cementitious materials augments the latest addition to the Sika Corp. line of concrete admixtures for improving slab on grade performance. A colloidal silica topical agent, SikaCem-190 Concrete Control is spray applied during floating or troweling to maintain adequate moisture, promote cement particle hydration, and reduce premature set risk. The…

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Lehigh White Cement parent company packages UHPC binder

Concrete News

Sources: Cementir Group, Italy; CP staff Cementir presents the just-launched Aalborg InBind as a flexible white binder enabling manufactured-concrete producers to optimize ultra-high performance mix designs leveraging locally available materials. Based on FutureCem technology formulations—heavy on limestone and calcined clays—InBind supports the recently introduced InWhite Solutions packaged concretes and mortars. The first InWhite offerings, Excel and Extreme, are available in…

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ASTM C09 to host Symposium on Reactivity Tests for Cement-Based Materials

Concrete News

Sources: ASTM International, West Conshohocken, Pa.; CP staff ASTM Committee C09 on Concrete and Concrete Aggregates has opened registration for Symposium on Reactivity Tests for Cement-based Materials – From Lab Testing to Standards and Specifications, June 12 at the Hyatt Regency Seattle. Organizers seek content differentiating supplementary cementitious materials and inert materials for use in concrete. Despite significant progress on SCM…

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Sika colloidal silica agent arms contractors to control slab destiny

Concrete News

Sources: Sika Corp.,Lyndhurst, N.J.; CP staff Nanotechnology driving deployment of particles far smaller than those typical of cementitious materials augments the latest addition to Sika’s line of concrete admixtures for improving slab on grade performance. A colloidal silica topical agent, SikaCem-190 Concrete Control is spray applied during floating or troweling to maintain adequate moisture and reduce premature set risk. The…

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3D printing specialist plans Pennsylvania parcel for equipment, R&D hub

Concrete News

Sources: Black Buffalo 3D Corp., Elizabeth, N.J.  Black Buffalo, developer of Nexcon 3D printing equipment and technology for cementitious materials, has acquired a 106-acre, East Stroudsburg, Pa. site for a permanent U.S. plant. Augmenting a charter New Jersey facility, the new operation will serve as a North American hub for production and assembly of modular Nexcon 3D Construction Printers, engineered…

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U.S. Concrete adds northern California terminal, bulk storage site

Concrete News

Sources: U.S. Concrete Inc., Euless, Texas; CP staff U.S. Concrete has strengthened its West Region ready mixed operations through the acquisition of a cementitious materials terminal, bulk storage facility, and eight-acre parcel with access to the Port of Stockton, Calif. Port officials note that the previous owner, George Weinberger Properties, had leased the site to Boral Resources. 

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ASTM symposium probes cement-based materials’ reactivity

Concrete News

Source: ASTM International, West Conshohocken, Pa.  ASTM Committee C09 on Concrete and Concrete Aggregates invites papers for the Symposium on Reactivity Tests for Cement-Based Materials – From Lab Testing to Standards and Specifications, scheduled December 5 amid standards development meetings at the Atlanta Marriott Marquis. Organizers aim to a) provide a forum for experts to discuss standardization and the use…

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New ACI committee advances 3-D printing practice, standards

Concrete News

Sources: American Concrete Institute, Farmington Hills, Mich.; CP staff

The newly formed ACI Committee 564, 3-D Printing with Cementitious Materials will report on three-dimensional printing and additive manufacturing with inorganic cementitious materials, and develop publications on the technology’s applications, challenges and impacts. 

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New ASTM C09 guide gauges mix performance, material compatibility

Concrete News

Sources: ASTM International, West Conshohocken, Pa.; CP staff

ASTM Subcommittee C09.48 on Performance of Cementitious Materials and Admixture Combinations’ working document, WK40615 Guide for Comparing Performance of Concrete Materials Using Mortar Mixtures, standardizes longstanding material-performance investigation protocol.

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