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. Extracted, with permission, from ASTM C / CM Standard Test Method for A copy of the standard may be purchased from ASTM International, phone.
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You currently cannot view this content. Enter aatm personal account email address to request a password reset: However, replacement rates of less than 30 percent generally will not affect times of set significantly. Initial aztm final set times are important because they give an indication of when the concrete can be properly placed, consolidated and finished.
This test method may also be used to determine compliance with specified time-of-setting requirements.
The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Historical Version s – view astmm versions of standard. Remember me for one month.
Your Alert Profile lists the documents that will be monitored. 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 Standard
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Already Subscribed to this document. Slower times of set are beneficial in hot weather because the contractor has a longer time to deliver, place, and finish the concrete. Typically to a concrete contractor, initial time of set refers to the time at which a concrete surface c40 bear qstm weight of an individual with minimal indentation. Proceed aetm Checkout Continue Shopping. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other.
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This reaction combines water with cement forming chemical compounds, increasing the strength of the material and changing it from a plastic, moldable material to a solid capable of withstanding substantial loads. Historical Version s — view previous versions of standard. Combining values from the two systems may result in non-conformance with asm standard.
In this test method, the times required for the mortar to reach specified values of resistance to penetration are used to define times of setting.
Add to Alert PDF. If you like to setup a quick demo, let us know at support madcad. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. We have no amendments or corrections for this standard.
The resistance of the aastm mixture to penetration by standard. Content only available by subscription.