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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Please copy and paste this embed script to where you want to embed Embed Script. Thank you for interesting in our services. The top edge shall be waterproofed, or coated, to limit absorption. The inch-pound units are shown in brackets. Active view current version of standard. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date. The provisions of this specification include the requirements for both reusable and single-use molds.

The planes of the top rim of the mold ast the bottom shall be perpen per pendic dicula ularr to the axi axiss of xstm mold with within in 0.

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 wstm 0. This specification deals with molds for forming concrete test cylinders vertically. Note 1—Sizes included are molds having diameters from 50 mm [2 in.

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These notes and footnotes excluding those in tables and figures shall not be considered as requirements of the standard.

Originally approved in Link to Active This link will always route to the current Active version of the standard. Plastic and sheet metal molds need not be tested for elongation and absorption, but should be tested for water leakage.

ASTM C–09 (W) – Free Download PDF

These notes and footnotes excluding those in tables and figures shall not be considered as requirements of the standard. Link to Active This link will always route to the current Active version of the standard. If metal, it shall not be less than 0. This abstract is a brief summary of the referenced standard.

C740 following are types of molds covered: Combining values from the two systems may result in non-conformance with the standard. The inch-pound units are shown in brackets. 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.

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ASTM C470–09 (W)

Referenc Referenced ed Documents Documents 2. Intermediate values are asttm to the square of the height. Sampling and Rejection 7. The inch-pound units are shown in brackets. They shall be watertight and sufficiently strong and tough to permit their use without tearing, crushing, or deforming. General Requirements Requirements 3. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other.

Current edition approved Oct. The following are additional requirements for the types of single-use molds: The metal for the bottom of the mold shall have a minimum thickness of 0. These materials shall conform to the following requirements: Note 1—Sizes included are molds having diameters from 50 mm [2 in. The inch-pound units are shown in brackets. Only the practicable minimum amount f470 adhesive shall be exposed on the inner side of the bottom of the f470.

Although aluminum and magnesium alloys have been used, some of these alloys may be reactive with cement constituents and are therefore unacceptable.