ASTM C09 eyes standard for fiber reinforced concrete tensile strength

Sources: ASTM International, West Conshohocken, Pa.; CP Staff ASTM Committee C09 on Concrete and Concrete Aggregates aims to provide data enabling the engineering community to evaluate fiber performance through WK60666 New Practice for Direct Tension Testing of Fiber Reinforced Concrete, a proposed standard presently in the working phase. 

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ASTM standard economizes concrete specimen strength testing

Sources: ASTM International, West Conshohocken, Pa. ASTM Committee C09 on Concrete and Concrete Aggregates’ proposed WK82351, New Test Method for Measurement of a Dominant Resonant Mode of a Concrete Specimen, will provide a fast, simple, non-destructive method for measuring strength. It can be performed most anywhere and—pending further data collection, validation and calibrations—stands to benefit stakeholders across a concrete project. 

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ASTM C09 to host Symposium on Reactivity Tests for Cement-Based Materials

Sources: ASTM International, West Conshohocken, Pa.; CP staff ASTM Committee C09 on Concrete and Concrete Aggregates has opened registration for Symposium on Reactivity Tests for Cement-based Materials – From Lab Testing to Standards and Specifications, June 12 at the Hyatt Regency Seattle. Organizers seek content differentiating supplementary cementitious materials and inert materials for use in concrete. Despite significant progress on SCM…

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ASTM C09 revises C94 batch water accuracy target

Source: National Ready Mixed Concrete Association, Alexandria, Va.  A revision reflected in the forthcoming ASTM C94/94M-21a, Standard Specification for Ready-Mixed Concrete eases batch water volume verification during the batching process. It requires water to be batched to an accuracy of ±1.5 percent of the target batch water versus two existing accuracy thresholds: batch water to ±1 percent of total mixing…

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ASTM symposium probes cement-based materials’ reactivity

Source: ASTM International, West Conshohocken, Pa.  ASTM Committee C09 on Concrete and Concrete Aggregates invites papers for the Symposium on Reactivity Tests for Cement-Based Materials – From Lab Testing to Standards and Specifications, scheduled December 5 amid standards development meetings at the Atlanta Marriott Marquis. Organizers aim to a) provide a forum for experts to discuss standardization and the use…

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ASTM C01/09 symposium to cover cement, concrete, 3D printing

Sources: ASTM International, West Conshocken, Pa.; CP staff ASTM Committees C01 on Cement and C09 on Concrete and Concrete Aggregates are sponsoring the virtual Symposium on Standards Development for Cement and Concrete for Use in Additive Construction, December 7-8. Using the WebEx platform, committee members will present potential 3D-printed mortar or concrete test methods that can be standardized through ASTM…

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Chryso’s Parker earns top ASTM C09 honor

Source: ASTM International, West Conshohocken, Pa.

ASTM Committee C09 on Concrete and Concrete Aggregates presented its top annual recognition, Award of Merit and accompanying Fellow title, to Chryso Inc. Sales & Marketing Manager Steven Parker. The award reflects dedicated service to the committee, particularly in administrative leadership roles and contributions to developing and improving standards for aggregates, ready mixed and finished concrete.

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New ASTM C09 guide gauges mix performance, material compatibility

Sources: ASTM International, West Conshohocken, Pa.; CP staff

ASTM Subcommittee C09.48 on Performance of Cementitious Materials and Admixture Combinations’ working document, WK40615 Guide for Comparing Performance of Concrete Materials Using Mortar Mixtures, standardizes longstanding material-performance investigation protocol.

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ASTM C09 publishes ultra-high performance concrete testing standard

Sources: ASTM International, West Conshohocken, Pa.; CP staff

The new ASTM C1856/C1856M–17 Standard Practice for Fabricating and Testing Specimens of Ultra-High Performance Concrete covers requisite procedures for a material increasingly specified in bridge deck closures, thin-section architectural precast concrete elements, and high-end, decorative furnishings or components.

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