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Day: June 11, 2013

Berkeley team observes new binder mechanism, performance in Roman concrete

June 11, 2013 Concrete News

Sources: University of California, Berkeley; CP staff

Using the Advanced Light Source at Lawrence Berkeley National Laboratory and core samples from an ancient breakwater near Naples, Italy, a UC Berkeley research team has examined Roman concrete’s fine-scale structure and extraordinarily stable binding compound, calcium-aluminum-silicate hydrate.

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Concrete Currents

National Mixer Driver Championship registration deadline nears

June 11, 2013 Concrete News

Source: National Ready Mixed Concrete Association, Silver Spring, Md.

NRMCA is accepting applications through July 1 for the 2013 Mixer Driver Championship in Las Vegas. The September 22-23 competition is open to NRMCA producer-member drivers, typically those who have won state/regional association mixer truck roadeo or similar intra-company events.

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Concrete Currents

ASTM C09 eyes test reflecting drying behavior of new or existing concrete

June 11, 2013 Concrete News

Source: ASTM International, West Conshohocken, Pa.

A proposed standard, WK37029, Test Method for Measurement of Mass Loss Versus Time for One-Dimensional Drying of Saturated Concretes, will enable ready mixed producers to characterize the drying behavior of new and existing concrete mixture proportions.

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Concrete Currents

Safe Homes group: FEMA, ICC-grade shelters equal to record-strength tornadoes

June 11, 2013 Concrete News

Source: Federal Alliance for Safe Homes (FLASH), Tallahassee, Fla.

An organization backed by Portland Cement Association, Home Depot, International Code Council and leading residential property underwriters, FLASH convened a June 6 briefing to address myths surfacing in the wake of last month’s outbreak of tornadoes in Oklahoma and Texas.

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Concrete Currents

Concrete Currents

March 27, 2023

Concrete Masonry Checkoff 1-cent/block assessments kick off April 1

March 27, 2023

Concrete Contractors advance Hard Hats-to-Helmets proposition

March 27, 2023

Solidia Technologies raises SCM capacity at new Texas headquarters

March 27, 2023

Commercial Metals adds P-T cable offerings through Tendon Systems deal

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