This standard is issued under the fixed designation C /C M; the number 1 This specification is under the jurisdiction of ASTM Committee C09 on. Molds for Forming Concrete Test Cylinders Vertically. ASTM C Standard Specification for Molds for Forming Concrete Test Cylinders Vertically. Lab ID: Use Method used to evaluate molds for use in.
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These materials shall conform to the astk requirements: This standard does not purport to address all of the safety concerns, if any, associated with its use.
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. At the time of use, molds qstm not leak water. 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.
Record to be Prepared by the Purchaser 8.
ASTM C470–09 (W)
Combining values from the two systems may result in non-conformance with the standard. Note 1—Sizes included are molds having diameters from 50 mm [2 in. ASTM does not give any warranty express or implied or make any representation that the contents of this c70 are accurate, complete or up to date. Link to Active This link will always route to the current Active version of the standard. The values stated in each system may not be exact equivalents; therefore, each system must be used independently of the other, without combining in any way.
Single-use molds may be made of sheet metal, plastic, suitably treated paper products, or other materials. The mold shall be either coated or made of a material that will prevent adherence to the concrete.
Intermediate values are proportional to the square of the height. These notes and footnotes excluding those in tables and figures shall not be considered as requirements of the standard. Dimensions of d470 used single-use molds are given in Fig 1. The top edge shall be waterproofed, or coated, to limit absorption. Combining values from the two systems may result in non-conformance with the standard. The glue shall be water-insoluble adhesive of the resin type that will not react with fresh concrete.
Referenc Referenced ed Documents Documents 2. The metal for the bottom of the mold shall have a minimum thickness of 0. The provisions of this specification include the requirements for both reusable and single-use molds. This abstract is a brief summary astmm the referenced standard.
The inch-pound units are shown in brackets. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not x470 as part of the standard.
ASTM C Standard
Only the practicable minimum amount of adhesive shall be exposed on the inner side of the bottom of the mold. Note 1—Sizes included are molds having diameters from 50 mm [2 in.
If made of paper, the bottom cap of the mold shall be of parchment-lined cap stock not less than 0. Current edition approved Oct. The values stated in each system may not be exa exact ct equ equiva ivalen lents; ts; the theref refore ore, each system shall be used independently of the other. Active view current version of standard. Thank you for interesting in our services. We need your help to maintenance this website. Molds shall be constructed in the form of right circular cylinders and have a nominal inside height equal to twice the nominal inside diameter.
Then place the mold on the dial stand, cover with the glass or metal plate and record the initial length by dial micrometer to the nearest 0. The inch-pound units are shown in brackets. These notes and footnotes excluding those in tables and figures shall not be considered as requirements of the standard. Sizes included are molds having diameters from 50 mm [2 in. Although aluminum and magnesium alloys have been used, some of these alloys may be reactive with cement constituents and are therefore unacceptable.
This standard does not purport to address all of the safety concerns, cc470 any, associated with its use. 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. They shall be watertight and sufficiently strong and tough to permit their use without tearing, crushing, or deforming. The following are astj requirements for the types of single-use molds: Please fill this form, we will try to respond as soon as possible.
Referenced Documents purchase separately The documents listed below are referenced within the subject astk but are not provided as part of the standard.
Please copy and paste this embed script to where you want to embed Embed Script. If such bead protrudes to the inside of the FIG. Sampling and Rejection 7. Test for elongation, absorption, and water leakage shall also be performed.
General Requirements Requirements 3. Examine and record any visible leakage.