There have been several new updates of important ASTM standards affecting concrete producers. Here is a summary of some committee announcements released in the last few months.

New Approved ASTM Standards:

C1077 - Standard Practice for Laboratories Testing Concrete and Concrete Aggregates for Use in Construction and Criteria for Laboratory Evaluation has been revised to C1077-06a.

C1116/C116M - Standard Specification for Fiber-Reinforced Concrete has been revised (with designation change) to C1116/C116M-06.

C114 - Standard Test Methods for Chemical Analysis of Hydraulic Cement has had an epsilon edit, available as C114-06e1.

C1227 - Standard Specification for Precast Concrete Septic Tanks has been revised to C1227-07.

C1365 - Standard Test Method for Determination of the Proportion of Phases in Portland Cement and Portland-Cement Clinker Using X-Ray Powder Diffraction Analysis has been revised to C1365-06.

C1609/C1609M - Standard Test Method for Flexural Performance of Fiber-Reinforced Concrete (Using Beam With Third-Point Loading) has been revised to C1609/C1609M-06.

C1610/C1610M - Standard Test Method for Static Segregation of Self-Consolidating Concrete Using Column Technique has been revised to C1610/C1610M-06a.

C403/C403M - Standard Test Method for Time of Setting of Concrete Mixtures by Penetration Resistance has been revised to C403/C403M-06.

C780 - Standard Test Method for Preconstruction and Construction Evaluation of Mortars for Plain and Reinforced Unit Masonry has been revised to C780-06a.

C900 - Standard Test Method for Pullout Strength of Hardened Concrete has been revised to C900-06.

C1634 - Standard Specification for Concrete Facing Brick is a new standard, now available, C1634-06.

C426 - Standard Test Method for Linear Drying Shrinkage of Concrete Masonry Units has been revised to C426-06.

C55 - Standard Specification for Concrete Building Brick has been revised (with title change) to C55-06.

To view the summary of these and other standards, visit www.astm.org. You can access the information by entering the standard designation number in the search engine. Telephone ASTM customer service at 610-832-9585, or e-mail at service@astm.org.