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Laboratories and manufacturers of equipment used to test the flexural performance of concrete will be the primary users of a proposed new ASTM standard for supporting rollers. ASTM WK42757 , Practice for Supporting Rollers Used in Fiber-Reinforced Concrete Beam Tests, is being developed by Subcommittee C09.42 on Fiber-Reinforced Concrete , part of ASTM International Committee C09 on Concrete and…, ASTM Committee C09 Next Meeting:, Dec. 9-11, 2013, December Committee Week, Jacksonville, Fla., Technical Contact:, Stefan Bernard, TSE Pty Ltd., Sydney, Australia, Phone: 224-725-5801; s.bernard@tse.net.au, 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 #9444
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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 ASTM standard will be useful in covering the level of defects that exist in hot rolled rod coil. The proposed standard, ASTM WK37796 , Specification for General Requirements for Hot Rolled Rod Coil, is being developed by Subcommittee B02.07 on Refined Nickel and Cobalt and Their Alloys , part of ASTM International Committee B02 on Nonferrous Metals and Alloys . According to Larry Paul…, ASTM Committee B02 Next Meeting:, Nov. 12-14, 2012, November Committee Week, Atlanta, Ga., Technical Contact:, Larry Paul, ThyssenKrupp VDM USA, LLC, Peru, Ind., Phone: 765-689-0215; larry.paul@thyssenkrupp.com, ASTM Staff Contact:, Jeffrey Adkins, Phone: 610-832-9738; jadkins@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org R elease #9286
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The creation of new nickel base alloys in pipe and tube forms, used in the oil and power industries, was the driving force for developing a new ASTM International standard, ASTM B983 , Specification for Precipitation Hardened or Cold Worked, Seamless Nickel Alloy Pipe and Tube. ASTM B983 was developed by Subcommittee B02.07 on Refined Nickel and Cobalt and Their Alloys , part of ASTM…
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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…