ASTM C270 PDF

Secondly, a choice must be made between specifying proportions or properties listed in ASTM C The ASTM Standard C (Mortar for Unit Masonry). ASTM C/ASTM C Masonry Mortar Evaluation. Amerimix Mortar Mix WRM. US MIX Co. South Santa Fe Drive. Denver, CO ments of ASTM C Requirements for sand to be used with mortar cement to produce ASTM C mortars are found in ASTM C Physical Properties.

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As seen in Table 4, compressive strength, water retention and air content tests are required to be performed on the mortar mixed in the laboratory. Link to Active This link will always route to the current Active version of the standard.

c720 Our liability is expressly limited to replacement of defective goods. Thank you for interesting in our services. Work Item s – proposed revisions of this standard. When neither the proportion or property specifications are specified, the proportion specifications govern. Portland cement-lime mortars should be specified by either the property or the proportion specification but not both. Work Item s – proposed revisions of this standard.

ASTM C – 14a Standard Specification for Mortar for Unit Masonry

Since jobsite water additions may not be the same as those in the laboratory, the properties of field mixed mortar cannot be compared to the property requirements of ASTM C These notes and footnotes excluding axtm in tables and figures shall not be considered as requirements of the standard.

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Mortar Mix Designs

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When neither proportion nor property specifications are specified, the proportion specifications ast govern, unless data are presented to and accepted by the specifier to show that mortar meets the requirements of the property specifications. Type N or S mortar should be used in other cases. Last previous edition approved in as C — 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.

Size px x x x x This standard does not purport to address all of the safety concerns, if any, associated with its use. This standard does not purport to address all of the safety concerns, if any, associated with its use.

Four types of mortar are covered in each of two alternative specifications: Foundation wall, retaining wall, manholes, sewers, pavements, walks, and patios. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

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ASTM C – Free Download PDF

This specification does not cover the determination of mortar strengths through field testing. Originally approved in The compressive strength values resulting from field tested mortars do not represent the compressive strength of mortar tested in the laboratory nor that of the mortar in the wall.

First, the mortar type must be determined based on the strength required for the application. When the property specification is used to qualify masonry mortars, the testing agency performing the test methods should be evaluated in accordance with Practice C There are no warranties that extend beyond the description contained herein.

Note 1 — When the property specification is used to qualify masonry mortars, the testing agency performing the test methods should be evaluated in accordance with Practice C Table 3 details the recipes required for each mortar type specified by proportion.

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. Link to Active This link will always route to the current Active version of the standard.

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The property specification applies to mortar mixed to a specific flow in the laboratory. A number in parentheses indicates the year of last reapproval.