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Non-destructive moisture meters are now widely used in determining moisture levels in concrete, gypsum concrete and other types of floor slabs. A new ASTM International standard qualifies the types of meter suitable for this purpose and provides guidelines for how, where and when such moisture meters are used and what limitations exist. The new standard, ASTM F2659 , Guide for Preliminary…, ASTM Committee F06 Next Meeting:, Nov. 10-11, New Orleans, La., Technical Contact:, Sean Fallon, Dublin, Ireland, Phone: +011-353-1-285-1861; seanfallon@ireland.com, ASTM Staff Contact:, Stephen Mawn, Phone: 610-832-9726; smawn@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org Release #870/Oct2010
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While standards for outdoor calibration techniques for solar radiometers exist, there are currently no general standards that deal with issues of indoor calibration transfers between radiometers of different design. A proposed new ASTM standard, ASTM WK27263, Test Method for Indoor Transfer of Calibration from Reference to Field Pyranometers, will address in detail issues associated with…
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ASTM International Subcommittee A01.05 on Steel Reinforcement has made a significant revision to ASTM A706/A706M , Specification for Low-Alloy Steel Deformed and Plain Bars for Concrete Reinforcement. A higher yield strength level, namely Grade 80 [550], has been added to the standard. The term “grade” relates to minimum yield strength in units of “kps/in.2 (megapascals),” i.e., “Grade 80 [550]”…
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ASTM Committee A01 on Steel, Stainless Steel and Related Alloys has now published a versatile new standard, A1064/A1064M , Specification for Steel Wire and Welded Wire Reinforcement, Plain and Deformed, for Concrete. The new standard is under the jurisdiction of Subcommittee A01.05 on Steel Reinforcement. Ted Mize, P.E., senior engineer, Ivy Steel & Wire, and an A01.05 member, notes that ASTM…, ASTM Committee A01 Next Meeting:, May 17-20, May Committee Week, St. Louis, Mo., Technical Contact:, Ted Mize, Ivy Steel & Wire, Concord, Calif., Phone: 925-685-9141, tmize@ivysteel.com, ASTM Staff Contact:, George Luciw, Phone: 610-832-9710, gluciw@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org Release #844 3/Dec2009
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Special considerations need to be made for flooring in multi-purpose rooms, particularly those in child care buildings, elementary schools and long-term care facilities. ASTM International Committee F06 on Resilient Floor Coverings is currently developing a proposed new standard for such flooring. WK24836 , Specification for Active Area, Multipurpose Flooring, is under the jurisdiction of…
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A new ASTM International standard will serve as a guide for manufacturers and laboratories that make and test steel products according to standards using the SI system of units. The new standard, ASTM A1058 , Test Methods for Mechanical Testing of Steel Products—Metric, arose from a need for a stand-alone metric steel testing standard, according to Lester Burgess, director of quality, TSP/U.S.…
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High-speed machine tool spindles and the high-pressure turbopumps that move liquid hydrogen in the space shuttle are just two examples of the uses for hybrid roller bearings. ASTM Subcommittee F34.01 on Rolling Element has now developed a standard for hybrid roller bearings, ASTM F2730/F2730M , Specification for Silicon Nitride Cylindrical Bearing Rollers. Subcommittee F34.01 is under the…
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Explorations into alternative forms of energy have increased interest in standards for solar energy applications. ASTM International Committee G03 on Weathering and Durability has recently approved a new standard in this area, G197 , Table for Reference Solar Spectral Distributions: Direct and Diffuse on 20° Tilted and Vertical Surfaces. ASTM G197 was developed by Subcommittee G03.09 on…
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Providing customer reassurance that high performance corrosion resistant steel will meet a given set of criteria is the purpose of a new ASTM International standard recently approved by Committee A01 on Steel, Stainless Steel and Related Alloys. The new standard, ASTM A1055 , Specification for Zinc and Epoxy Dual Coated Steel Reinforcing Bars, is under the jurisdiction of Subcommittee A01.05 on…