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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These notes and footnotes excluding those in tables and figures shall not be considered as requirements of the standard. The property specification requires that the mortar exhibit certain characteristics when tested under laboratory conditions.

Physical properties of field sampled mortar shall not be used to determine compliance to this specification and are not intended as criteria to determine the acceptance of rejection of the mortar.

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. We need your help! Originally approved in Our liability is expressly limited to replacement of defective goods. The property specification of this standard applies to mortar mixed to a specific flow in the laboratory.

This standard has been approved for use by agencies of the U. Link to Active This link will always route to the current Active version of the standard. We shall not be liable for incidental and consequential damages, directly or indirectly sustained, nor for any loss caused by application of these goods not in accordance with current printed instructions or for other than the intended use.

Compliance to this specification is verified by confirming that the materials used are as specified, meet the requirements as given, and added to the mixer in the proper proportions as described. Link to Active This link will always route to the current Active version of the standard.

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C Specification for Admixtures for Masonry Mortars. Table 3 details the recipes required for each mortar type specified by proportion.

Type M mortar has the highest strength. Portland cement-lime mortars are specified in two steps. ASTM Standard C provides both a proportion specification and a property specification for each mortar type. Foundation wall, retaining wall, manholes, sewers, pavements, walks, and patios.

This abstract is a brief summary of the referenced standard. Type K mortar has the lowest compressive strength. Work Item s – proposed revisions of this standard. Mortar for such masonry should be selected with due caution. 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.

Historical Version s – view previous versions of standard. When neither proportion nor property specifications are specified, the proportion specifications shall govern, unless data are presented to and accepted by the specifier to show that mortar meets the requirements of the property specifications.

Four types of mortar are covered in each of two alternative specifications: C Specification for Admixtures for Masonry Mortars. 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 There are no warranties that extend beyond the description contained herein.

Last previous edition approved in as C — Size px x x x x For the purposes of determining volumes, ASTM C provides typical bulk densities for portland cement, hydrated lime and sand. Four types of mortar are covered in each of two alternative specifications: Please fill this form, we will try to respond as soon as possible. These notes and footnotes excluding those in tables and figures shall not be considered as requirements of the standard. Skip to main content.

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The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

ASTM C – 12a Standard Specification for Mortar for Unit Masonry

Type N or S mortar should be used in other cases. 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. Please help us to share our service with your friends. For cement-lime mortars, c27 proportion specification will indicate the volume of portland cement followed by the axtm of hydrated lime and finally the volume of sand.

Please copy and paste this embed script to where you want to embed Embed Script. These densities are shown in Table 2.

Mortar Mix Designs

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. Thank you for interesting in our services. A version of this list is shown in Table 1. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

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.