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Nano-scale agent frees GCP’s shotcrete system of silica fume

Silica particles graded at nano-scale, where the unit of measure is 1 billionth meter, might be the smallest objects on admixture scientists’ radar, but are on the cusp of becoming one of the most important concrete developments since the mid-1990s advent of polycarboxylate superplasticizers.

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VOLUMETRIC MIXERS

Volumetric mixer truck operators have convincingly staked claim to residential, small order and department of transportation market segments. As Concrete Products shows here, truck manufacturers are helping fleets’ cause by tapping technology to increase production efficiency and quality control.

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Mack updates Granite interior, rolls out new flagship tractor

Leading into the premier North American Commercial Vehicle (NACV) show earlier this fall, Mack Trucks unveiled Granite and Pinnacle model cab improvements aimed at helping customers attract and retain drivers, and boost productivity.

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STEEL, SYNTHETIC FIBER REPORT

Concrete Products examines polypropylene, nylon, acrylic and other synthetic products for secondary concrete reinforcement, plus steel fibers, which continue to show potential for replacing conventional rebar or mesh. Most of the products and technologies here will be exhibited at 2018 World of Concrete.

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Clean diesel programs benefit concrete mixer fleets

The formulation of diesel fuel and its preferred method of combustion in diesel engines have undergone a number of significant changes in the past decade. These changes present a series of new challenges for fleet operators, such as those in the ready-mix concrete business, who must satisfy their demands if they are to keep fleets rolling and out of the maintenance bay.

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