ASTM C, “Standard Descriptive Nomenclature of. Constituents of Aggregates for Radiation-Shielding. Concrete,” is a useful supplement to ASTM C ASTM C Standard Specification for Aggregates for Radiation-Shielding Concrete. standard by ASTM International, 06/01/ View all product details. Astm c Heavy Aggregates – Download as PDF File .pdf), Text File .txt) or read online.
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Aggregates shall meet the required uniformity of specific gravity and fixed water content.
Coarse aggregate may consist of crushed ore, crushed stone, or synthetic products, or combinations or mixture thereof. Aggregates covered by specification include the natural mineral aggregates of either high density or high fixed water content, or both.
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The materials shall also meet the required chemical composition for serpentine, limonite, goethite, barite, ilmenite, hematite, magnetite, iron, ferrophosphorus, boron frit, boron carbide, calcium carbide. This abstract is a brief summary of the referenced standard. Also included are synthetic aggregates such as iron, steel, ferrophosphorus and boron frit or other boron compounds. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.
Fine aggregate consisting of natural or manufactured sand including high-density minerals.
This specification covers special aggregates for use in radiation-shielding concretes in asrm composition or high specific gravity, or both, are of prime consideration. These include aggregates that contain or consist predominately of materials such as barite, magnetite, hematite, ilmenite, and serpentine.
Work Item s – proposed revisions of this standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application.
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This standard does not purport qstm address all of the safety concerns, if any, associated with its use. No other units of measurement are included in this standard.
It is the responsibility of the user of asrm standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.