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Current members of ASTM International Committees C01 on Cement and C09 on Concrete and Concrete Aggregates , and other interested parties, are invited to join a new C01 subcommittee, C01.98 on Sustainability Assessment. The scope of C01.98 is to support the development and maintenance of standards related to methodologies and metrics for assessing sustainability in the manufacture and use of…
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A new ASTM International practice provides a standard for preparing a mixture of cement paste that will simulate the shearing experienced by the cement paste in concrete. The new standard, ASTM C1738 , Practice for High-Shear Mixing of Hydraulic Cement Pastes, was developed by Subcommittee C01.22 on Workability , part of ASTM International Committee C01 on Cement . According to Chiara Ferraris,…
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The Adhesive and Sealant Council (ASC) is partnering with ASTM International (ASTM) to produce the inaugural “Adhesives and Sealants Sustainability Summit” July 26-27 at the Hyatt O’Hare in Rosemont, Ill. The Sustainability Summit will provide an opportunity for the adhesive and sealant supply chain to discuss all aspects of sustainability as it relates to the sector. “The trend of…, ASC Media Contact:, Matt Croson , ASC President (phone: 301-986-9700, ext. 111 ; matt.croson@ascouncil.org, ASTM Media Contact:, Pat Picariello, director, Developmental Operations, ASTM International (phone: 610-832-9720; ppicarie@astm.org ) May 27, 2011
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Rapid hardening hydraulic cements are used in a variety of applications in which reduced cementitious contents are desired or early service is needed. Included among these applications are paving, construction, stucco, mortar and block. A newly approved ASTM International standard covering these cements, ASTM C1600/C1600M , Specification for Rapid Hardening Hydraulic Cement, has been developed by…, Type URH, —ultra rapid hardening, for use where ultra high early strength is desired;, Type VRH, —very rapid hardening, for use where very high early strength is desired;, Type MRH, —medium rapid hardening, for use where mid-range rapid hardening, high early strength is desired; and, Type GRH, —general rapid hardening, for use when the higher strength properties of Type VRH or a Type MRH cement is not required. “ASTM C1600 lists minimum requirements for compressive strength, setting time, shrinkage and soundness (autoclave expansion),” says Hicks. “Optional specifications for sulfate expansion, alkali silicate reactions with aggregates, heat of hydration and expansion in water are also…
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A new ASTM International standard, ASTM D7447 , Practice for Symbolizing Adhesive Applications, provides a convenient way for engineers to represent adhesives on a computer-aided design drawing. The standard, a collaborative effort between ASTM and the Adhesive and Sealant Council, is under the jurisdiction of Subcommittee D14.60 on Adhesive Material Classification System, which is part of ASTM…
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As a means of ensuring the safety of electrical wiring systems in airplanes, ASTM International Committee F39 on Normal and Utility Category Airplane Electrical Wiring Systems has recently approved F2639 , Practice for Design, Alteration and Certification of Airplane Electrical Wiring Systems, a standard developed by Subcommittee F39.01 on Design, Alteration and Certification. According to…
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A recently approved revision to ASTM International standard C 150 , Specification for Portland Cement, includes three significant technical changes to the document. The changes are part of a joint effort between ASTM and the American Association of State and Highway and Transportation Officials to harmonize C 150 with AASHTO’s standard, M 85, Specification for Portland Cement. C 150 is under the…
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A series of focus groups conducted by the Adhesive and Sealant Council, Inc., has led to the ongoing development of a proposed new standard, WK14701 , New Symbols for Adhesive Applications. WK14701 is being developed by Subcommittee D14.04 on Terminology, part of ASTM International Committee D14 on Adhesives. According to Lawrence D. Sloan, president, Adhesive and Sealant Council, and D14.04…
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All interested parties are invited to contribute to the ongoing development of WK11541 , Specification for Structural Insulated Panel (SIP) Adhesives for Bonding Oriented Strand Board (OSB) Facers to Rigid Cellular Polystyrene Thermal Insulation Core Materials. The proposed standard is under the jurisdiction of Subcommittee D14.70 on Construction Adhesives, which is part of ASTM International…
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A new ASTM International standard, F 2490 , Guide for Aircraft Electrical Load and Power Source Capacity Analysis, has been accepted by the Federal Aviation Administration (FAA) as a means of compliance with 14 CFR 23.1351(a) (2), Electrical System Capacity for Part 23 (and Predecessor) Aircraft. Guide F 2490 was developed by Subcommittee F39.01 on Design, Alteration, and Certification, which is…