Astm c31 c31m 19a standard practice for making and. Astm c31 c31m 12, standard practice for making and curing concrete test specimens in the field a23. This practice covers procedures for making and curing cylinder and beam specimens from representative samples of fresh concrete for a construction project. C31 c31m19a standard practice for making and curing concrete test specimens in the field beam specimens cylinder specimens. Historical version s view previous versions of standard. When strength is used as a basis for acceptance of concrete, specimens must be molded and cured according to astm c31. Nonconsent will result in comscore only processing obfuscated personal data. Astm c31c31m12 standard practice for making and curing. Astm c31 making and curing concrete test specimens in the field when strength is used as a basis for acceptance of concrete, specimens must be molded and cured according to astm c31. Astm c31 c31m 18 standard practice for making and curing concrete test specimens in the field. Astm c31 standard practice for making and curing concrete.
December 2019 standard practice for making and curing concrete test specimens in. Pdf variations of in situ concrete strength by european standard. Astm c31c31m19a red standard practice for making and. Standard practice for making and curing concrete test specimens in the field. Astm s construction materials technician series enables qaqc technicians in the construction industry to advance their skills using leading, selfguided, computerbased training. Study flashcards on astm c31c31m making and curing concrete test specimens in the field at. Users guide to astm specification c94 on ready mixed concrete astm manual astm manual. This standard is issued under the fixed designation c31c31m. No data is shared with paypal unless you engage with this feature. This is used for a registered author who enrolls in the hubpages earnings program and requests to.
Jobtask analysis jta for aci certification of concrete. Cylinder molds can be metal or plastic, so long as they are nonabsorbent, nonreactive to concrete, and maintain their shape and dimensions under all conditions. Astm c31 aci making and curing concrete test specimens. Astm c31 c31m 09 standard practice for making and curing concrete test specimens in the field. Astm c 31m pdf this practice covers procedures for making and curing cylinder and beam specimens from representative samples of fresh concrete for a construction. Standard test method for compressive strength of cylindrical concrete specimens1 this standard is issued under the. Astm c31 c31m standard practice for making and curing. Jobtask analysis jta for aci certification of concrete field testing techniciangrade i continued page 4 of 4 approved 1072019 astm c31 c31m, standard practice for making and curing concrete test specimens in the field understand the scope and the significance and use of the practice, including reasons for curing by.
Why concrete curing conditions are important giatec. Astm c31 archives document centers standards forum. Cpd 202, changes to ctm 523 in accordance with astm. Astm c31 c31m outlines the details for safe transport of the specimens with transportation time not exceeding 4 hours. Overview of astm c31 standard practice for making and curing concrete test specimens in the field this is a test required to pass the american concrete institute aci. View notes astm c496splitting tensile strength of cylindrical concrete specimens. Astm c31 c31m 12 standard practice for making and curing concrete test specimens in the field pdf download skip to the end of the images gallery. All astm standards are available from document center inc. Pdf europe and united states exert a worldwide influence in the field of concrete. Astm c31c31m making and curing concrete test specimens in. So when you see language that touts the use of standardcured concrete, youll know that most likely the c31 standard is the one to which the material is being tested. Standards of aci and astm cited in this specification are listed by name and designation, including year. Astm c496splitting tensile strength of cylindrical concrete.
The pdf download is licensed per individual in which the individual can place on up to four electronic devices for their personal use. Permissions to reprint documents can be acquired through. Choose from 500 different sets of questions astm c31 flashcards on quizlet. Astm c31 c31m 06 standard practice for making and curing concrete test specimens in the field. Astm c31 c31m 18b standard practice for making and curing concrete test specimens in the field. Practice c31 c31m or c192c192m applicable to beam specimens and shall have a test span within 2 % of being three times its depth as tested. Astm c31 c31m 19a standard practice for making and curing.
Astm c31 c31m 19 standard practice for making and curing concrete test specimens in the field. Astm c31c31m09 standard practice for making and curing. Start studying astm c31 c31m standard practice for making and curing concrete test specimens in the field. I would advise you to carry an extra set of each size of mold to every job, because you never know if you might be asked to make another set.
All surfaces shall be smooth and free of scars, indentations, holes, or inscribed identi. June 2019 standard specification for liquid membraneforming compounds having special properties for curing and sealing concrete. Astm c31 c31m 09, standard practice for making and curing concrete test specimens in the field, astm international, west conshohocken, pa, 2009. Instantly download astm c31 c31m 19 standard practice for making and curing concrete test specimens in the field. Astm c31 c31m 17 standard test practice for making and curing concrete test specimens in the field elearning course.
Learn vocabulary, terms, and more with flashcards, games, and other study tools. Standard test method for flexural strength of concrete. Astm c31 c31m 19a standard practice for making and curing concrete test specimens in the field. With s web based subscription service no downloads or installations are required. While you are out there making cylinders you can keep lookout for errors in the mixing and pouring of the concrete. The revised ctm 523 adopts the fabrication and initial curing of specimen changes in accordance with astm c31 c31m 19, standard practice for making and curing concrete test specimens in the field, section 9, molding specimens, and section 10, curing. These specimens need to be monitored for exposure conditions during the transport phase. Combining values from the two systems may result in nonconformance with the standard. This document is available in either paper or pdf format.
A number in parentheses indicates the year of last. C31c31m 19 standard practice for making and curing. Active standard astm c31 c31m developed by subcommittee. Link to active this link will always route to the current active version of the standard.
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