ASTM D8123-22 测量地质灾害网开口尺寸的标准试验方法.pdf

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards Guides and Remendations issued by the World Trade Organization Technical Barriers to Trade (TBT)Committee. Designation:D8123-22 INTERNATIONAL Standard Test Methods for Measuring the Opening Size of Geohazard Nettings1 This standard is issued under the fixed designation D8123:the number immediately following the designation indicates the year of original adoption or in the case of revision.the year of last revision.A number in parentheses indicates the year of last reapproval.A superseript epsilon (s)indicates an editorial change since the last revision or reapproval. 1.Scope 1.4 This standard does not purport to address all of the 1.1 These test methods are index tests to measure the safety concerns if any associated with its use.It is the opening size of a geohazard netting or its ponents or both responsibility of the user of this standard to establish appro- as it has been manufactured.They can be used for estimating priate safety health and environmental practices and deter- the largest size of rock or other object that may pass through an mine the applicability of regulatory limitations prior to use. individual opening in the geohazard netting without transfer- 1.5 This international standard was developed in accor- ring load to the wire mesh or wire net and may ...