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Lead forecaster: Infrastructure, housing, producer consolidation key to 2015

13-NS-FMI-150Construction- and engineering-geared management consultant FMI Corp. views increased infrastructure spending levels, continued housing activity growth and accelerated market consolidation as linchpins to a successful year. In its U.S. Markets Construction Overview 2015 report, the firm observes:

 

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Test suits slabs set for floor coverings

A proposed ASTM International standard, WK47030, Practice for Evaluating Concrete Floor Systems to Receive Resilient Flooring, follows World Floor Covering Association and Floor Covering Installation Contractors Association endorsement of dryness testing and slab evaluation by third parties. Once approved, WK47030 can be specified in construction documents or contacts as a way to require such oversight.

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American Concrete Institute revises formwork benchmark

NS-ACI-150The eighth edition of ACI SP-4(14) Formwork for Concrete Manual includes current standards and practice, removes prior versions’ outdated or irrelevant material, and adds content on new developments in formwork technology and methods.

 

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Standard models slab mixes' drying behavior

Newly published ASTM C1792, Test Method for Measurement of Mass Loss Versus Time for One-Dimensional Drying of Saturated Concretes will enable engineers and producers to characterize how hardened mixtures dry. “The information can be used to directly assess the drying rates of a given concrete mixture,” says ASTM member Dale Bentz, chemical engineer for the Materials and Structural Systems Division in the National Institute for Standards and Technology Engineering Laboratory. “[It] could be valuable for industrial flooring applications, for example, where quick drying is often desirable.”

 

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