ASTM C780-02

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

STANDARD published on 10.6.2002

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The information about the standard:

Designation standards: ASTM C780-02
Note: WITHDRAWN
Publication date standards: 10.6.2002
SKU: NS-15030
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: American technical standard
Category: Technical standards ASTM

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Annotation of standard text ASTM C780-02 :

Keywords:

air content, aggregate ratio, compressive strength, concrete penetrometer, cone penetrometer, consistency, consistency retention, mortar, tensile strength, ICS Number Code 91.100.10 (Cement. Gypsum. Lime. Mortar)

Additional information

1. Scope

1.1 This test method covers procedures for the sampling and testing of mortars for composition and for their plastic and hardened properties, either before or during their actual use in construction.

1.2 Preconstruction Evaluation—This test method permits comparisons of mortars made from different materials under simulated field conditions. It is also used to establish baseline values for comparative evaluation of field mortars.

1.3 Construction Evaluation—Use of this method in the field provides a means for quality assurance of field-mixed mortar. It includes methods for verifying the mortar mix proportions, comparing test results for field mortars to preconstruction testing, and determining batch-to-batch uniformity of the mortar.

1.4 The test results obtained under this test method are not required to meet the minimum compressive values in accordance with the property specifications in Specification C 270.

1.5 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. For specific hazards statements, see Section 8.

2. Referenced Documents

C39/C39M-26	Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens
C1180-24	Standard Terminology of Mortar and Grout for Unit Masonry (Withdrawn 2025)
C128-25	Standard Test Method for Relative Density (Specific Gravity) and Absorption of Fine Aggregate
C231-09	Standard Test Method for Air Content of Freshly Mixed Concrete by the Pressure Method
C270-25b	Standard Specification for Mortar for Unit Masonry (Includes all amendments and changes 1/16/2026).
C1231	Practice for Use of Unbonded Caps in Determination of Compressive Strength of Hardened Cylindrical Concrete Specimens
C1586-20	Standard Guide for Quality Assurance of Mortars
E11-24	Standard Specification for Woven Wire Test Sieve Cloth and Test Sieves
C173/C173M-26	Standard Test Method for Air Content of Freshly Mixed Concrete by the Volumetric Method
C185-20	Standard Test Method for Air Content of Hydraulic Cement Mortar
C187-25	Standard Test Method for Amount of Water Required for Normal Consistency of Hydraulic Cement Paste
C470/C470M-23	Standard Specification for Molds for Forming Concrete Test Cylinders Vertically
C511-21	Standard Specification for Mixing Rooms, Moist Cabinets, Moist Rooms, and Water Storage Tanks Used in the Testing of Hydraulic Cements and Concretes
C617-10	Standard Practice for Capping Cylindrical Concrete Specimens
C1093-25	Standard Practice for Accreditation of Testing Agencies for Masonry
C109/C109M-24	Standard Test Method for Compressive Strength of Hydraulic Cement Mortars (Using 50?mm [2 in.] Cube Specimens)

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