ASTM C470 PDF

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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This standard does not purport to address all of the safety concerns, if any, associated with its use. Current edition approved Oct.

The following are types of molds covered: Molds shall be constructed in the form of right circular cylinders and have a nominal inside height equal to twice the nominal inside diameter.

Combining values from the two systems may result in non-conformance with the standard.

ASTM C470–09 (W)

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. These notes and footnotes excluding those in tables and figures shall not be considered as requirements of the standard.

Single-use molds may be made of sheet metal, plastic, suitably treated paper products, or other materials. Originally approved in A number in parentheses parentheses indicates the year of last reapproval. Active view current version of standard. We are a non-profit group that run this website to share documents.

The provisions of this specification include the requirements for both reusable and single-use molds. These notes and footnotes excluding those in tables and figures shall not be considered as requirements of the standard.

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Plastic and sheet metal molds need not be tested for elongation and absorption, but should be tested for water leakage.

Only the practicable minimum amount of adhesive shall be exposed on the inner side of the bottom of the mold. Examine and record any visible leakage.

ASTM C Molds for Forming Concrete Test Cylinders Vertically | CTL

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. Link to Active This link will always route to the current Active version of the standard. Please copy and paste this embed script to where you want to embed Embed Script. 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.

Single-use molds shall not be reused nor the same mold retested. 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. 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.

The required dimensional tolerances must be maintained after slitting, clamping, and attaching the base plate.

If such bead protrudes to the inside of the FIG. Dimensions of commonly used single-use molds are given in Fig 1. At the time of use, molds shall not leak water. The metal for the bottom of the mold shall have a minimum thickness of astn. The inch-pound units are shown in brackets. This standard does not purport to address all of the safety concerns, if any, associated with its use. Please help us to share our service with your friends.

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ASTM C Standard

General Requirements Requirements 3. Although aluminum ast magnesium alloys have been used, some of these alloys may be reactive with cement constituents and are therefore unacceptable. Sampling and Rejection 7. Size px x x x x The provisions of this specification include the requirements for both reusable and single-use molds.

Combining values from the two systems may result in non-conformance with the standard. Thank you for interesting in our services. Sizes included are molds having diameters from 50 mm [2 in. These notes and footnotes excluding those in tables and figures shall not be considered as requirements of the standard. Historical Version s – aetm previous versions of standard. We need your help! They shall be watertight and sufficiently strong and tough to permit their use without tearing, crushing, or deforming.

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Record to be Prepared by the Purchaser 8. These materials shall conform to the following requirements: The inch-pound units are shown in brackets.

The mold shall be either coated or made of a material that will prevent adherence to the concrete.