ASTM C1142-95(2001) - 1.1.2001
 
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.

 
2. Referenced Documents

C91-05

Standard Specification for Masonry Cement

E518-09

Standard Test Methods for Flexural Bond Strength of Masonry

C150-07

Standard Specification for Portland Cement

C207-24

Standard Specification for Hydrated Lime for Masonry Purposes

C270-26

Standard Specification for Mortar for Unit Masonry

C780-26

Standard Test Methods for Preconstruction and Construction Evaluation of Mortars for Plain and Reinforced Unit Masonry

C1072-26

Standard Test Methods for Measurement of Masonry Flexural Bond Strength

C144-26

Standard Specification for Aggregate for Masonry Mortar

E447-97

Test Methods for Compressive Strength of Laboratory Constructed Masonry Prisms (Withdrawn 1998)