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Description of ASTM-C1142 2013ASTM C1142 - 95(2013)Standard Specification for Extended Life Mortar for Unit MasonryActive Standard ASTM C1142 | Developed by Subcommittee: C12.03 Book of Standards Volume: 04.05 ASTM C1142Abstract This specification covers extended life mortar of types RM, RS, RN, and RO, for use in construction of non-reinforced or reinforced unit masonry. Materials used as ingredients in extended life mortar shall be of the following: Portland cement, masonry cement, hydrated lime, aggregates, water, and admixtures. Water shall be clean and free of oils, acids, alkalines, salts, organic materials or other substances that may be deleterious to mortar or corrosive to metals in the masonry. Mortar shall conform to average compressive strength, water retention, and air content indicated in this specification. Specimen for laboratory testing shall have attained final set. Moreover, moist storage and curing condition of specimen shall conform to the specification. For testing, the cone penetration method shall be utilized to determine the consistency of the mortar. The air content of the mortar shall be determined by either the pressure method or the volumetric method. 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. Scope 1.1 This specification covers extended life mortar as delivered for use in construction of non-reinforced or reinforced unit masonry. 1.2 This specification is a property standard. 1.3 Four types of mortar are covered: RM, RS, RN, and RO. These types of mortar can be manufactured by using one of the four mortar formulations with masonry aggregate: portland cement, portland cement-lime, masonry cement, or masonry cement with portland cements. The materials are listed in Section 5 . 1.4 Appendix X1 provides a rationale statement and commentary.
ASTM Standards 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 C270 Specification for Mortar for Unit Masonry C780 Test Method for Preconstruction and Construction Evaluation of Mortars for Plain and Reinforced Unit Masonry C1072 Test Methods for Measurement of Masonry Flexural Bond Strength E447 Test Method for Compressive Strength of Laboratory Constructed Masonry Prisms E518 Test Methods for Flexural Bond Strength of Masonry Keywords air content; compressive strength; masonry; masonry cement; mortar; portland cement-lime; set-retarding admixture; water retention; ICS Code ICS Number Code 91.100.10 (Cement. Gypsum. Lime. Mortar) DOI: 10.1520/C1142 ASTM International is a member of CrossRef. ASTM C1142This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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