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Shielding concrete: First line of defense against electromagnetic pulse

Miami-based Omni-Threat Structures (OTS) has developed an electromagnetic shielding concrete wall as part of a broader strategy to mitigate threats to utility and other infrastructure sectors. The OTS Intentional Electromagnetic Interference (IEMI) provides vital protection against weapons as well as ballistic/kinetic and blast attacks, prospects for which are fueling global concerns among facility and equipment owners.

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Industrial engineers craft first plant-ready 3D concrete printer

Robotics and manufacturing automation specialist USABotics cites commercial debut of 3D concrete printing equipment in the North American market through a new entity, MudBots, and charter model. The MudBots 664 Concrete Printer consists of a rectangular, gantry-like CNC (computer numerical control) table whose robotic devices operate on XYZ axes to place low slump mixes in cord-like layers or beads through round nozzles—at rates up to 340 inches per minute.

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Rinker builds on tiny home trend with ‘Pipe Dream’ concept

To address the current housing epidemic impacting the country, Rinker Materials and the American Institute of Architecture Students launched the Pipe Dream design contest late last year, challenging AIAS members to design a tiny home from two 96- x 96-in. diameter concrete pipes. Architectural student Sandra D. Guillen’s winning concept became the first tiny home built from concrete pipe in the U.S. when it was constructed at the International Builders’ Show in Las Vegas earlier this year.

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3D concrete printer nears commercialization via Texas housing plan

A robotics-savvy, 3D concrete printing equipment developer eyeing affordable housing solutions will deploy its first commercial unit in partnership with a fellow Austin, Texas, business and like-minded real estate developer. Against the backdrop of last month’s 2019 South by Southwest Conference and Festivals (SXSW), Icon and Cielo Property Group announced commissioning of a printer for rapid delivery of modest (< 1,000 sq. ft.) but robust residences in the Texas capital city—one of the country’s hottest housing markets.

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Desert-derived natural pozzolan tests favorably as fly ash alternative

Sunrise Resources Plc of Cheshire, U.K., reports successful demonstration of a material, mined at the CS Pozzolan-Perlite Project in Nevada, as a substitute for fly ash in concrete. Prior observation of the natural pozzolan entailed mortar specimens, while more recent tests have been conducted on concrete samples and involved a major integrated cement and ready mixed producer.

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