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This specification addresses the material and performance requirements of thin-bed mortar used in the construction of autoclaved aerated concrete (AAC) masonry. Materials used in the preparation of the thin-bed mortar shall conform to the requirements specified in referenced ASTM documents itemized herein. These materials include masonry cement, fine aggregates, Portland cement, hydrated lime, blended hydraulic cement, hydraulic cement, mortar cement, rapid hardening hydraulic cement, and adhesives. Properly sampled test specimens shall adhere to the minimum splitting tensile strength requirements specified for its class.
This abstract is a brief summary of the referenced 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. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
1.1 This specification applies to thin-bed mortar for autoclaved aerated concrete (AAC) masonry.
1.2 The testing laboratory performing these test methods shall be evaluated in accordance with Practice C1093.
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.4 This standard may involve hazardous materials, operations, and equipment. 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 and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
C91 Specification for Masonry Cement
C144 Specification for Aggregate for Masonry Mortar
C150 Specification for Portland Cement
C207 Specification for Hydrated Lime for Masonry Purposes
C595 Specification for Blended Hydraulic Cements
C1006 Test Method for Splitting Tensile Strength of Masonry Units
C1093 Practice for Accreditation of Testing Agencies for Masonry
C1157 Performance Specification for Hydraulic Cement
C1180 Terminology of Mortar and Grout for Unit Masonry
C1232 Terminology of Masonry
C1329 Specification for Mortar Cement
C1384 Specification for Admixtures for Masonry Mortars
C1386 Specification for Precast Autoclaved Aerated Concrete (AAC) Wall Construction Units
C1452 Specification for Reinforced Autoclaved Aerated Concrete Elements
C1555 Practice for Autoclaved Aerated Concrete Masonry
C1600/C1600M Specification for Rapid Hardening Hydraulic Cement
ICS Number Code 91.100.10 (Cement. Gypsum. Lime. Mortar)
UNSPSC Code 30111500(Concrete and mortars)