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ASTM International Committee C01 on Cement is currently developing a proposed standard that will be used to help create data for comparing the compressive strength of alkali activated fly ash and natural pozzolans. ASTM WK42602 , Test Method for Compressive Strength of Alkali Activated Coal Fly Ash and Raw or Calcined Natural Pozzolan Cement Mortars (Using 2-inch or [50 mm] Cube Specimens), is…, ASTM Committee C01 Next Meeting:, Dec. 11-13, 2013, December Committee Week, Jacksonville, Fla., Technical Contact:, Ivan Diaz-Loya, Ph.D, CERATECH Inc., Baltimore, Md., Phone 443-524-4415; ivan.diazloya@ceratechinc.com , ASTM Staff Contact:, Scott Orthey, Phone: 610-832-9730; sorthey@astm.org , ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org Release #9445
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A proposed new ASTM International test method will be used by ready-mix concrete producers to characterize the drying behavior of new and existing concrete mixture proportions. ASTM WK37029 , Test Method for Measurement of Mass Loss Versus Time for One-Dimensional Drying of Saturated Concretes, is being developed by Subcommittee C09.66 on Concrete’s Resistance to Fluid Penetration , part of ASTM…, ASTM Committee C09 Next Meeting:, Dec. 8-11, 2013, December Committee Week, Jacksonville, Fla., Technical Contact:, Dale P. Bentz, National Institute of Standards and Technology, Gaithersburg, Md., Phone: 301-975-5865; dale.bentz@nist.gov , ASTM Staff Contact:, Scott Orthey, Phone: 610-832-9730; sorthey@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org Release #9390
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A proposed new ASTM International standard will cover the process, verification and record keeping procedures for recycling returned fresh concrete. The proposed standard, ASTM WK39876 , Specification for Returned Fresh Concrete for Use in a New Batch of Ready-Mixed Concrete, is being developed by Subcommittee C09.40 on Ready-Mixed Concrete , part of ASTM International Committee C09 on Concrete…, ASTM Committee C09 Next Meeting:, June 9-12, 2013, June Committee Week, Indianapolis, Ind., Technical Contact:, Eric P. Koehler, Verifi LLC, Cambridge, Mass., Phone: 617-498-4354; eric.koehler@verifitechnologies.com, ASTM Staff Contact:, Scott Orthey, Phone: 610-832-9730; sorthey@astm.org , ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org Release #9329
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A proposed new ASTM test method will be used to quantify the resistivity of concreting materials that are widely used for construction around the world. ASTM WK37880 , Test Method for Measuring the Surface Resistivity of Hardened Concrete Using the Wenner Four-Electrode Method, is being developed by Subcommittee C09.66 on Concrete’s Resistance to Fluid Penetration , part of ASTM International…, ASTM Committee C09 Next Meeting:, June 9-12, 2013, June Committee Week, Indianapolis, Ind., Technical Contact:, Kenneth A. Snyder, National Institute of Standards and Technology, Gaithersburg, Md., Phone: 301-975-4260; kenneth.snyder@nist.gov, ASTM Staff Contact:, Scott Orthey; Phone: 610-832-9730; sorthey@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org Release #9321
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A proposed new ASTM International standard will improve the accuracy and usefulness of radiometry-related uncertainty estimates in a wide range of fast developing solar renewable energy applications, such as system performance and acceptance testing, resource assessment and solar energy system design engineering. The proposed standard, ASTM WK36479 , Practice for Uncertainty Evaluation of…
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ASTM International Committee E21 on Space Simulation and Applications of Space Technology is requesting input on upcoming revisions for two standards under the jurisdiction of Subcommittee E21.05 on Contamination . The two standards to be revised are ASTM F21 , Test Method for Hydrophobic Surface Films by the Atomizer Test, and ASTM F22 , Test Method for Hydrophobic Surface Films by the Water-…
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A proposed new ASTM standard will provide proper direction and ensure adequate documentation to aid in the interpretation, understanding and reduction of variance in test results for fiber-reinforced concrete. ASTM WK35250 , Practice for Fiber-Reinforced Concrete for Making and Curing Test Specimens in the Laboratory and Field, is now being developed by Subcommittee C09.42 on Fiber-Reinforced…
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Formalizing a method for making a cylindrical specimen of roller-compacted concrete in a gyratory compactor is the primary purpose of a proposed new ASTM International standard. ASTM WK33682 , Test Method for Preparation, Compaction and Density Determination of Roller-Compacted Concrete Specimens by Means of the Superpave Gyratory Compactor, is being developed by Subcommittee C09.45 on Roller-…
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While the use of internally cured concrete in construction is not new, there is now better understanding of the internal curing process and why IC using pre-wetted lightweight aggregate increases concrete durability and service life in an economical and practical way. However, there is not currently a standard for lightweight aggregates for internal curing. ASTM International Committee C09 on…
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Manufacturers of solar radiometers and testing laboratories for solar energy, materials and durability testing will be among the primary users of a new ASTM International standard that outlines procedures using indoor test methods to calibrate radiometers with dissimilar detectors. The new standard, ASTM G207 , Test Method for Indoor Transfer of Calibration from Reference to Field Pyranometers,…, ASTM Committee G03 Next Meeting:, Jan. 29-31, 2012, January Committee Week, Atlanta, Ga., Technical Contact:, Daryl Myers, National Renewable Energy Laboratory, Golden, Colo., Phone: 303-384-6768; daryl.myers@nrel.gov, ASTM Staff Contact:, Jeff Adkins, Phone: 610-832-9738; jadkins@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org Release #8965