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ASTM C403 PDF

1 Jan Buy ASTM C /CM: TEST METHOD FOR TIME OF SETTING OF CONCRETE MIXTURES BY PENETRATION RESISTANCE from. Time of Setting of Concrete Mixtures by Penetration Resistance. Standard Test Method for Time of Setting of Concrete Mixtures by Penetration Resistance. The resistance of the concrete mixture to penetration by standard.

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Follow us on Twitter. The electronic file may not be reproduced in any way. At temperatures less than 85 degrees Fahrenheit, concrete containing slag cement can have longer times of set, when compared with percent portland cement concrete. ASTM C identifies initial and final time of set as:.

Initial and final set times are important because they give an indication of when the concrete can be properly placed, consolidated and finished. Historical Version s – view previous versions of standard.

No further reproductions authorized. When water comes into contact with hydraulic cement, a chemical reaction called hydration occurs.

Slower times of set are beneficial in hot weather because the contractor has a longer time to deliver, place, and finish the concrete. Why is Time of Set Significant? There were no books found for the applied search filters.

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ASTM C Standard

Please sign into an account with a subscription to this content, or email for help at support madcad. Print 1 2 3 4 5 page sstarting from page current page. 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. However, when the setting time of concrete is desired, the test shall c43 performed on mortar sieved from the concrete mixture and not on a prepared mortar intended to simulate the mortar fraction of the concrete; it has been shown that the initial and final setting times may be increased when using the prepared mortar.

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No items in cart. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Enter your account email address to request a password reset: Join us on Facebook. ASTM grants you a license as follows: Link to Active This link will always route to the current Active version of the standard.

Technical Questions

Penetration resistance Initial Time of Set psi Final Time of Set psi Typically to a concrete contractor, initial time of set refers to the time at which a concrete surface can bear the weight of an individual with minimal indentation. Search book title Enter keywords for book title search.

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ASTM C identifies initial and final time of set as: Register for a trial account. What Influences Time of Set? Enter your personal account email address to request a password reset: You currently cannot view this content. Content only available by subscription. However, replacement rates of less than 30 percent generally will not atm times of set significantly.

ASTM C Setting of Concrete Mix by Penetration Resistance | CTL Grp

This test method may also be used to determine compliance with specified time-of-setting requirements. Sign up for our newsletter. Combining values from the two systems may result in non-conformance with the standard.

Time of set is defined as the point in time at which penetration resistance reaches specified values. Please login to your authorized staff account to use this feature. The right to access the electronic files of ASTM Standards is for purposes of viewing for individual use only.

Typically to a concrete contractor, initial time of set refers to the time at which a concrete surface can bear the weight of an individual with minimal indentation.

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