Silicon Valley mid-rise stages Act II for rebar-free SpeedCore

After a convincing 2019 debut on Seattle’s 58-story Rainier Square Tower, the SpeedCore Concrete-Filled Composite Plate Shear Wall system is being used for the 200 Park project in downtown San Jose, Calif. Sunnyvale, Calif. general contractor Level 10 Construction LLC proposed the concept to developer Jay Paul Co. as a means of saving up to three months on the 19-story…

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Tall Buildings group awards Doka form-positioning technology

An interactive sensor-based tool enabling accurate formwork positioning for cast-in-place concrete structures has earned the Austrian parent company of Doka USA Ltd. recognition from the Council on Tall Buildings and Urban Habitat (CTBUH), a Chicago-based organization serving professionals in high-rise design, construction and operation. DokaXact equips surveyors and crews to quickly and precisely plumb and align wall formwork used with…

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Afinitas unveils new structure, elevates Equipment & Automation Division’s Bühler

St. Louis-based Afinitas has aligned its concrete plant equipment, services and technologies platform into three, solution-focused business units defined by the customers and markets they serve. By grouping the HawkeyePedershaab, BFS, New Hampton Metal Fabrication, Spillman Co. and CAM Products brands, the new structure enables Afinitas to better address precast concrete producer needs with more sales, engineering, technology and customer…

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Low carbon LC3 binder steers Sika’s next admixture chapter

The Swiss parent company of New Jersey-based Sika Corp. will tailor a new family of concrete admixtures and cement additives around the chemistry and behavior of an emerging binder known as LC3, or Limestone Calcined Clay Cement. Through work with Sika AG and peers, Swiss Federal Institute of Technology officials view the material as a means of carbon footprint reduction…

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Master Builders, Command Alkon partnership starts at mixer drum

Master Builders Solutions has entered into an exclusive agreement with Command Alkon to be the sole third-party reseller of the COMMANDassurance in-transit concrete monitoring system for ready mixed producers in the U.S. and Canada. A drum-mounted probe at the core of system provides real-time slump, temperature and volume data for site-bound concrete. COMMANDassurance takes measurements from direct mixture contact versus…

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Lehigh Redding moves to mill SCM from CO2-rich kiln emissions

Lehigh Hanson Inc. and Fortera Inc., a Silicon Valley technology developer wise to calcium carbonate chemistry and mineralization, are teaming to commercialize a process with optimal output for an era of greenhouse gas scrutiny: Converting the carbon dioxide gas emitted to the environment at the front end, or calcining phase, of ASTM C150 powder production into a blendable supplementary cementitious…

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Martin Marietta charts Pacific course in Lehigh Hanson West deal

Flush in investor confidence and financial leverage fueled by a stock price in record territory, Martin Marietta Materials will significantly boost its West Coast presence in a $2.3 billion cash deal for the bulk of Lehigh Hanson West Region operations in Arizona, California, Nevada and Oregon. Anchoring the asset package are the Lehigh Cement Redding and Tehachapi, Calif. plants, with…

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Labor Department turns back clock on apprenticeship programs

The U.S. Department of Labor is reviewing nominations for members to serve on the newly reinstated National Advisory Committee on Apprenticeships. Candidates will include a diverse set of stakeholders—from those representing unions, employers or apprentices to community colleges and other institutions—to build a Registered Apprenticeship Program. Members will focus on expanding apprenticeships into fast-growing industries and sectors to create more…

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Federal Highway Administration marks bridge safety, inspection milestone

The Federal Highway Administration recently observed the 50th anniversary of its National Bridge Inspection Standards (NBIS), the basis for the federal program that helps to protect nearly 620,000 structures across the country. The NBIS requires regular and thorough highway bridge inspections to detect potential structural problems early and ensure maintenance efforts are being carried out.  State departments of transportation inspect…

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