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Wet and dry density of soils are important values for geotechnical engineers in determining over-burden stresses, void ratios, maximum compaction and percent compaction of soils. Density value can also aid in the evaluation of soil strength and sensitivity. While reporting on soil density has been part of routine laboratory testing for years, there have been no standards that outlined procedures…
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The Fourth International Symposium on Contaminated Sediments will be held June 30-July 2, 2009, at Trinity College in Dublin, Ireland. The symposium is sponsored by ASTM International Committee D18 on Soil and Rock and Trinity College in cooperation with the Engineers Ireland, Canadian Civil Engineering Society (CSCE) and the Canadian Geotechnical Society (CGS). The symposium is a forum for the…
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Responding to requests from industry, ASTM International Committee D18 on Soil and Rock is developing a proposed new standard for measuring rock abrasivity, which will aid mechanical excavation projects in several ways. The proposed standard, ASTM WK22313 , Test Method for Laboratory Determination of Abrasivity of Rock Using the CERCHAR Method, is under the jurisdiction of Subcommittee D18.12 on…
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ASTM International Committee F15 on Consumer Products continues to address emerging hazards associated with furniture tipover with its recently revised standard, ASTM F2057 , Safety Specification for Chests, Door Chests, and Dressers. ASTM F2057 , under the jurisdiction of Subcommittee F15.42 on Furniture Safety, is intended to reduce injuries and deaths of children from hazards associated with…
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A type of testing that can aid in predicting soil and foundation response to seismic and manmade disturbances is covered in a proposed new ASTM International standard. The proposed standard, WK23118 , Test Method for Determination of Shear Wave Velocity by Bender Element, is being developed by Subcommittee D18.09 on Cyclic and Dynamic Properties of Soils, part of ASTM International Committee D18…
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In its continuing efforts to reflect the latest issues in toy safety and to deal with emerging hazards, ASTM International Committee F15 on Consumer Products has approved revisions to ASTM F963 , Consumer Safety Specification for Toy Safety. Changes made to the standard include revisions to the section on ingestion of magnetic components in toys. ASTM F963 , under the jurisdiction of Subcommittee…
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Under new federal legislation that takes effect today, all toys sold in the United States must meet the safety requirements of ASTM F963 , Standard Consumer Safety Specification for Toy Safety. This new measure for protecting children from unsafe toys, which won strong bipartisan approval in Congress after nearly a year of hearings and debate, is part of the Consumer Product Safety Improvement…
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ASTM Committee D18 on Soil and Rock is developing a proposed new standard, WK21484 , Practice for Nuclear Gauge Calibration. The proposed standard is under the jurisdiction of Subcommittee D18.08 on Special and Construction Control Tests. Dan Pratt, senior nuclear project physicist, Troxler Electronic Laboratories Inc., and D18 member, says that two motivating factors are guiding the development…
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ASTM International Committee F15 on Consumer Products is currently developing a proposed new standard at the request of the Consumer Product Safety Commission. The proposed standard, WK20641 , Specification for Cautionary Labeling of Inflatable Air Mattresses, is under the jurisdiction of Subcommittee F15.63 on Inflatable Air Mattresses. Since 2002, there have been 16 fatalities (many of them…
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President Bush has approved a new law requiring that toys sold in the United States be tested to the ASTM International F963 toy safety standard. "By requiring that children's products be held to a higher safety standard and tested, we can stop unsafe ones from entering the marketplace," said Sen. Bill Nelson, who is pleased that the new Consumer Product Safety Improvement Act of 2008 includes…