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Engineers ground rebar, climbing formwork in tower core ascent

An 850-ft. mixed-use tower has rapidly climbed into the Seattle skyline on the strength of a unique core wall system with requisite volumes of high performance concrete but no conventional rebar. Topped out in early August, Rainier Square Tower marks the debut of what Seattle engineer Magnusson Klemencic Associates (MKA) dubs the Concrete-Filled Composite Plate Shear Wall (CPSW) system.

Read more: Engineers ground rebar, climbing formwork in tower core ascent

Master Builders mixes mortar for Manhattan monarchs

Material science behind lightweight concrete and self-consolidating mixtures yields a principal element of the Monarch Sanctuary, a 15-ft. “vertical butterfly meadow” prototype on display at the Cooper Hewitt Smithsonian Design Museum, New York City.

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Extract & act: How to identify–and realize–opportunities for improvement

Ready-mix concrete production is not for the fainthearted. We are at the crossroads of design, engineering, material suppliers, traffic, weather, equipment failures and a host of other hard-to-control realities. Frankly it’s amazing we manage as well as we do. But it’s always possible to get better. 

Read more: Extract & act: How to identify–and realize–opportunities for improvement

Topcon raises concrete paving bar through Millimeter GPS

Concrete paving is pretty complex and achieving quality, long-lasting results requires skill, the right equipment, and advanced technology. At its root, pavement is an outdoor floor ... a hardscape surface covering that is driven or walked on. One of the major advantages of concrete pavements is they are typically stronger and more durable than other types of surfaces. They also can be grooved to provide a tough, skid-resistant surface. A notable disadvantage is that they typically can be more time-consuming to construct. Thus, concrete contractors have turned to technology for production-enhancing efficiencies and improved results.

Read more: Topcon raises concrete paving bar through Millimeter GPS

Drivers: Start your engines, improve EBITDA with three right turns

Ready mix production is a tough, real-time business. A couple dozen significant things can go wrong on any day, at any time, and in any order. No wonder we are just about the hardest working industry per EBITDA point (earnings before interest, taxes, depreciation and amortization) in North America.

Read more: Drivers: Start your engines, improve EBITDA with three right turns