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ASTM International Committee C16 on Thermal Insulation will hold a forum on “Thermal Insulation in 2008: Perspectives on Economic Thickness, Contributions to Sustainability, and Design of Power & Process Facilities” on Monday, April 7, 2008, from 5 to 6 p.m., in Anaheim, Calif. The forum will be held in conjunction with the April 6-9 standards development meetings of the committee. Three…
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Work is continuing on a proposed new ASTM International standard that will aid laboratories and materials manufacturers in testing the moisture properties in construction materials. The proposed standard, WK16466 , Test Method for Moisture Retention Curves of Porous Building Materials Using Pressure Plates, is under the jurisdiction of Subcommittee C16.33 on Insulation Finishes and Moisture, part…
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ASTM International Committee D35 on Geosynthetics invites all interested parties to participate in the development of a proposed new standard, WK15082 , Specification for Measuring the Asperity Height of Textured Geomembrane. The proposed standard is being developed by Subcommittee D35.10 on Geomembranes. Although asperity height is specified throughout the geosynthetic industry, a procedure to…
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A new ASTM International standard, C 1639 , Specification for Fabrication of Cellular Glass Pipe and Tubing Insulation, covers techniques for fabricating cellular glass blocks into billets that are then used to make pipe and tubing insulation. The standard, which was developed by Subcommittee C16.40 on Insulation Systems, part of ASTM International Committee C16 on Thermal Insulation, will be…
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Three subcommittees of ASTM International Committee D35 on Geosynthetics are currently developing several proposed new standards. The topics covered in the following proposed standards are geosynthetic clay liners, geomembranes, and the development of a mechanistic-empirical design guide for pavements. Committee D35 will meet Jan. 30-Feb. 1, 2008, at the January Committee Week in Tampa, Fla.…, Subcommittee D35.04 on Geosynthetic Clay Liners, Responding to shrinkage issues involving geosynthetic clay liners, Subcommittee D35.04 has launched work on a proposed new standard, WK12239 , Test Method for Linear Dimensional Changes of Restrained Geosynthetic Clay Liners Under Cyclic Temperature and Hydration Conditions. WK12239 is an index test that covers the measurement of changes in linear dimensions of a geosynthetic clay liner that…, Subcommittee D35.10 on Geomembranes, Subcommittee D35.10 is currently developing two proposed new standards, WK14305 , Specification for Non-Reinforced PVC (Polyvinyl Chloride) Geomembrane Seams, and WK14311 , Guide for the Installation of Non-Reinforced Polyvinyl Chloride (PVC) Geomembranes. According to Mark Wolschon, engineers, specification writers, users, suppliers, manufacturers, fabricators and installers of PVC…, Subcommittee D35.01 on Mechanical Properties, There is currently a national movement to develop a mechanistic-empirical design guide for pavements. This initiative requires that the fundamental material properties for all components of the design be quantified. Subcommittee D35.01 is working toward this goal with the development of two proposed new standards, WK14361 , Test Method for Determining Small-Strain Tensile Properties of Geogrids…
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Andrea Russell, sustainability manager, Rio Tinto Minerals, will speak on "The Basics of Life Cycle Assessment and Insulation" on April 16, 2007, in conjunction with the meetings of ASTM International Committee C16 on Thermal Insulation during the April Committee Week in Norfolk, Va. Russell's presentation, which will take place from 6:00 to 7:00 p.m. at the Waterside Convention Center, is part…
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ASTM International Committee D35 on Geosynthetics is currently developing a proposed new standard that covers the test procedure for evaluating the effectiveness of prefabricated vertical drains to enhance the consolidation of soils under specified conditions. The proposed standard, WK13402 , Test Method for Large Scale Consolidation Test for Prefabricated Vertical Drains, is under the…
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The increased use of geomembranes as barrier materials to restrict liquid migration from one location to another created a need for a test method to evaluate the quality of geomembrane seams produced by tape methods. ASTM International Committee D35 on Geosynthetics has met this need with the approval of the new standard D 7272 , Test Method for Determining the Integrity of Seams Used in Joining…
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ASTM International Committee D35 on Geosynthetics has developed a new standard that is an important step toward the improvement of filtration design for non-woven geotextiles. The standard, D 7178 , Practice for Determining the Number of Constrictions “, m, ” of Non-Woven Geotextiles as a Complementary Filtration Property, will provide engineers and researchers a common basis for accurate determination of an important products property. Practice D 7178 is under the jurisdiction of Subcommittee D35.03 on Permeability and Filtration. Practice D 7178 describes the procedure used along with existing test methods to determine the number of…
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A new ASTM International task group has been formed to develop a proposed new specification for aerogel blanket insulation. The task group, which is under the jurisdiction of Subcommittee C16.23 on Blanket and Loose Fill Insulation, will meet Oct. 22-25, in Atlanta to continue writing the new standard. Subcommittee C16.23 is part of ASTM International Committee C16 on Thermal Insulation. The…