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Price USD. Single User. In Stock. Need it fast? Ask for rush delivery. Most backordered items can be rushed in from the publisher in as little as 24 hours. Some rush fees may apply. Add to Cart. View Full Details and Buy. Complementary Documents and Links:. This practice describes a system for classifying mineral and organo-mineral soils for engineering purposes based on laboratory determination of particle-size characteristics, liquid limit, and plasticity index and shall be used when precise classification is required.
When the laboratory test results indicate that the soil is close to another soil classification group, the borderline condition can be indicated with two symbols separated by a slash.
Borderline symbols are particularly useful when the liquid limit value of clayey soils is close to The group symbol portion of this system is based on laboratory tests performed on the portion of a soil sample passing the 3-in. As a classification system, this standard is limited to naturally occurring soils. NOTE 2—The group names and symbols used in this test method may be used as a descriptive system applied to such materials as shale, claystone, shells, crushed rock, etc.
See Appendix X2. This standard is for qualitative application only. NOTE 3—When quantitative information is required for detailed designs of important structures, this test method must be supplemented by laboratory tests or other quantitative data to determine performance characteristics under expected field conditions. The basis for the classification scheme is the Airfield Classification System developed by A. Casagrande in the early s.
Government Agencies adopted a modified version of the Airfield System in This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
This practice offers a set of instructions for performing one or more specific operations. This document cannot replace education or experience and should be used in conjunction with professional judgment. Not all aspects of this practice may be applicable in all circumstances. 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 Recommendations issued by the World Trade Organization Technical Barriers to Trade TBT Committee.
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ASTM D2487-17-Classification of Soils for Engineering Purposes -Unified Soil Classification System
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Standard Practice for Classification of Soils for Engineering Purposes Unified Soil Classification System 1 This standard is issued under the fixed designation D; 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. This standard has been approved for use by agencies of the U. Department of Defense.
ASTM D 1587ASTM D 1587