The alternative requirements correspond to a 99 % probability of passing subsequent test age requirements. Astm c494c494m standard specification for chemical. C494 c494m19 standard specification for chemical admixtures for concrete. Astm c494c494m16 standard specification for chemical. As discussed in appendix x2, it is recommended that, whenever practicable, supplementary tests be made by the purchaser using the cement, pozzolan, aggregates, airentraining admixture, and the mixture proportions, batching sequence, and other physical conditions proposed for the specific work because the specific effects produced by chemical admixtures may vary with the properties and. These products are often referred to as superplasticizers. A number in parentheses indicates the year of last reapproval.
The use of chemical admixtures to produce highslump flowing concrete is covered by specification c 1017. This means that all sections of astm c 94 may not apply to all ready mixed concrete. Org, which is not affiliated with nor authorized by the united states government, the state governments, or the american society for testing and materials astm. Dci corrosion inhibitor astm c1582 and astm c494 corrosion inhibitor astm c1582 and astm c494 type c product description dci corrosion inhibitor is a liquid admixture meeting the requirements of astm c1582, which is added to concrete during the batching process. Standard specification for carbon structural steel. They may be beneficial to precasters in improving workability, increasing strength and decreasing permeability. Astm c 666 standard test method for resistance of concrete to rapid freezing and thawing. Astm c 295 03 pdf free download astm international standards. Case in point is the recent passage of a new specification for mixing water by astm subcommittee c09. Astm a 494a 494m 03a pdf free download civil engineers.
The rapid chloride penetrability test rcpt astm c 1202 is commonly used to evaluate the resistance of concrete to chloride ions ingress owing to its simplicity and rapidity. Active standard astm c494 c494m developed by subcommittee. I am not sure if the suggestions here were based on hypothetical or real sea. This specification covers the material characteristics, physical requirements, and sampling method appropriate to the selection of marble dimension stone for general building and structural purposes. Magazine, 2011 septemberoctober, astm manhole specifications, precast magazines tagged with. Astm c 618 coal fly ash or calcined natural pozzolan for use as a mineral admixture in portland cement concrete. Astm a 494 a 494m 03a pdf free download, astm standards, astm standards free download, free astm standards. An astm designation number identifies a unique version of an astm standard. Find astm c494 products and abstract using the buildsite database. Astm c494c494m05 standard specification for chemical admixtures for concrete.
Readymix, precast or prestressed concrete producers using the above listed admixtures as a normal superplastizer for concrete operations having up to a 10 inch slump have no further requirements. Standard guide for petrographic examination of aggregates for concrete1. Thickness the maximum dimension perpendicular to the length and width. Readymix, precast or prestressed concrete producers using the above listed admixtures as a normal superplastizer for concrete operations having up to a 10. Standard specification for coloring pigments for integrally pigmented concrete. For referenced astm standards, visit the astm website. Of all the astm related technical questions received here at the national precast concrete association, c478, standard filed under. Astm c494c494m15a free download asme icc csa astm codes. It is recommended that, whenever practicable, tests be made using the cement, pozzolan, aggregates, airentraining admixture, and the mixture proportions, batching sequence, and other physical conditions proposed for the specific work 11. The astm c 920 is the standard specification for elastomeric joint sealants that are either cured single or multicomponent, cold applied elastomeric sealants. Astm c 295 03 pdf free download astm international.
Waterreducing admixtures reduce water usage and influence concrete setting characteristics to desired levels. Note 2the purchaser should ensure that the admixture supplied for use in the work is equivalent in composition to the admixture subjected to test under this specification see section 6, uniformity and equivalence. E 317 practice for evaluating performance characteristicsof ultrasonic pulseecho examination systems withoutthe use of electronic measurement instruments 3 e 494 practice for measuring ultrasonic velocity in materials 3 e 16 terminology for nondestructive examinations 3 2. Access astm standards from any browser on your computer, tablet or smart phone. Flat particles, elongated particles, or flat and elongated particles in coarse aggregate astm d 4791 glossary flat and elongated particles of aggregate those particles having a ratio of length to thickness greater than a specified value. Astm c 295 03 pdf free download february 22, 2018 astm c comments. Astm c 50308a specification for marble dimension stone. Standard specification for chemical admixtures for concrete. Mean annual days of freezethaw cycles northern arizona. This specification covers the materials and the test methods for use in chemical admixtures to be added to hydrauliccement concrete mixtures in the field. A summary of changes section appears at the end of. As soon as the transaction is completed, your astm standards subscription will be ready for access.
The catch is that c 94 clearly states that when the purchasers requirements differ from those of c 94, the purchasers requirements shall govern. Dimension marble shall include stone that is sawed, cut. Note 1 it is recommended that, whenever practicable, tests be made using the cement, pozzolan, aggregates, airentraining admixture, and the mixture proportions, batching sequence, and other physical conditions proposed for the specific work 11. Astm f 1286 90 pdf free download february 16, 2019 astm f comments. We posted this document in order to allow citizens to read the laws that govern us. Waterreducing admixtures can be used to increase slump and workability of concrete without adding water, or to reduce water content of concrete. Astm a 494a 494m 03a pdf free download archives civil. Standard specification for chemical admixtures for concrete1 this standard is issued under the fixed designation c 494 c 494m.
As discussed in appendix x2, it is recommended that, whenever practicable, supplementary tests be made by the purchaser using the cement, pozzolan, aggregates, airentraining admixture, and the mixture proportions, batching sequence, and other physical conditions proposed for the specific work because the specific effects produced by chemical. Standard test method for evaluating carpet embedded dirt removal effectiveness of residential central vacuum cleaning systems1 this standard is issued under the. Astm c494 standard specification for chemical admixtures. Physical properties retesting shall consist of uniformity and equivalence tests using infrared analysis, which is intended to compare qualitatively the composition of different samples. Getting a view of astm from its conception takes us back more than a. Astm a 494 a 494m 03a pdf free download november 28, 2018 astm a comments. It also means, as a practical matter, that the ready mixed concrete producer must be familiar with re. Click below to download astm a 494 a 494m 03a pdf free.
Astm c8c8m standard test method for density unit weight, yield, and air content gravimetric of concrete published by astm on march 15, 2017 this test method covers determination of the density see note 1 of freshly mixed concrete and gives formulas for calculating the yield, cement content, and air content of the concrete. Manufacturing standards for precast concrete products. It chemically inhibits the corrosive action of chlorides on reinforcing. Find the most uptodate version of astm c494c494m at engineering360. Scribd is the worlds largest social reading and publishing site. Astm c494 c494m 19 standard specification for chemical admixtures for concrete. Users guide to astm specification c94 for readymixed. Astm c 1602 c 1602m04 standard specification for mixing water used in the production of hydraulic. With s web based subscription service no downloads or installations are required. Trial mix details physical requirements verification for. Manufacturing standards for precast concrete products march 2009 page 4 astm c 497 standard test methods for concrete pipe, manhole sections and tile. Astmc494 standard specification for chemical admixtures. The requirements involved in the testing and their meanings are listed as follows. This preferred is issued beneath the constant designation c 295.
Astm c 494 and aashto m 194, type g water reducermid reduce water content between lignosulfonates range 6 and 12% without retarding polycarboxylates superplasticizers are also referred to as highrange water reducers or plasticizers. Astm a 496 02 pdf free download civil engineers standards. This document is available in either paper or pdf format. Nov 28, 2018 astm a 494 a 494m 03a pdf free download november 28, 2018 astm a comments. It is a special class that requires the admixture to produce a slump in excess of 7. The alternative compressive strength requirements in are based on statistical analysis of 103 specification c 494 c 494m evaluation tests.
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