ASTM C897 PDF

ASTM C Standard Specification for Aggregate for Job-Mixed Portland Cement-Based Plasters. Questions and answers on Stucco and Plastering March, Graded sand for cement-plaster and interior plaster. ASTM C , and ASTM C Find ASTM C products and abstract using the BuildSite database. Get the right product for the spec.

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To put this into perspective, the footers under your house are probably about 2, PSI. For a volume license the PDF is licensed to the person in which it is assigned. Use on a local area network or other network is not permitted. We v897 users of early versions of Internet Cc897 to update to Ast, 10 or later. 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. Distribution of the PDF is not permitted.

The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. Now, gypsum plaster is only avaiable in 50 lb.

The PDF Download is licensed per individual in which the individual can place on up to four electronic devices for their personal use. When used as a stucco finishdifferent grades are usually mixed together to vary the size for improved strength and appearance. This specification covers natural or manufactured aggregate for use in job-mixed base and finish-coat ast thickness Portland cement, Portland cement-lime and modified Portland cement plasters.

ASTM C to the rescue. More about dollars and cents: Another mystic secret revealed: What this means in human readable terms: The reason is that the smaller grains fill in the voids when the mortar is packed down. JavaScript seems to be disabled in your browser.

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This specification covers natural or manufactured aggregate for use in job-mixed base and finish-coat full thickness Portland cement, Portland cement-lime and modified Portland cement plasters. Aggregate subjected to five cycles of the soundness test shall show a loss, when weighed in accordance with the grading of a sampling complying with the limitations set forth.

This abstract is a c879 summary of the referenced standard.

astn The sand is then graded from less than 2. The word “pound” in Spanish, Italian and Latin is “Libra”. What I am trying to say with all of this is that mortar can develop incredible strength by simply varying the grit of the sand, and using silica sand.

ASTM C – 00 Standard Specification for Aggregate for Job-Mixed Portland Cement-Based Plasters

Sand like Q-ROK is used in stucco finishes, but the grading is different. Imagine how strong other high abuse applications can be, such as mud floors, simply by spending a few bucks for graded silica sand. I know somebody out west who plasters boats.

ASTM C is sold in bags for about 11 dollars a 50 lb. Q-ROK is graded quartzite, which means crushed quartz or crushed white sandstone. Number two is all mediumand number 1 is all fine.

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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. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. You must have JavaScript ast in your browser to utilize the functionality of this website. These notes and footnotes excluding those in tables and figures shall not be considered as requirements of the specification.

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When used in a cement basecoat for asmt strength applications such as stucco floors or cement boats, the various grits can quadruple the compressive strength of Portland cement mortar. Fine powder is packaged as silica fines. The fineness modulus, friable particles, light constituents, organic impurities, material soundness, and sieve analysis of the aggregate shall be tested to meet the requirements prescribed.

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

The fineness modulus, friable particles, light constituents, organic impurities, material soundness, and sieve analysis of the aggregate shall be tested to meet the requirements prescribed.

Silica sand usually crushed quartz or sandstone is passed through various screen sizes and measured as to the percentage of what size the grains are. Q-ROK comes in 3 grades, 1, or fine; 2, or medium and 3, coarse. The main difference is that number 3 is all the same size about 3 mm. Have you ever wondered why the word “pound” is abbreviated lb.

This chart is completely ambiguous if you do the math, but the idea is that the sand is graded from coarse down to fine powder. Also, since the sand is irregularly shaped, larger width particles can pass through the sieves.