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ASTM C 143 PDF

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ASTM C Slump of Hydraulic Cement Concrete. P. F. N/A. Item. 1. Dampen the interior of the slump mold. 2. Place the mold on a rigid, flat. ASTM C Slump of Hydraulic Cement Concrete. P. F. N/A. Mold. 1. The test specimen shall be formed in a mold made of metal or plastic not. ASTM CCM 12 Standard Test Method for Slump of Hydraulic-Cement Concrete_建筑/土木_工程科技_专业资料. 人阅读|32次下载.


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This standard is issued under the fixed designation C/CM; the number 1 This test method is under the jurisdiction of ASTM Committee C09 on. C / CMa Standard Test Method for Slump of Hydraulic-Cement Concrete slump~ Standard + Redline PDF Bundle, 8, $, ADD TO CART. ASTM Designation: C /C Ma. 1. SCOPE. This test method covers determination of slump of concrete, both in the laboratory and in the field.

A number in parentheses indicates the year of last reapproval. A superscript epsilon? This standard has been approved for use by agencies of the U. Department of Defense. Within the text, the SI units are shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

Under laboratory conditions, with strict control of all concrete materials, the slump is generally found to increase proportionally with the water content of a given concrete mixture, and thus to be inversely related to concrete strength. Care should therefore be taken in relating slump results obtained under? Current edition approved Nov. Published November Originally approved in If the coarse aggregate is larger than 11?

NOTE 2—Concretes having slumps less than 1? Caution should be exercised in interpreting such results. No further reproductions authorized. Apparatus 5. The mold shall be sufficiently rigid to maintain the speci? Metal molds shall have an average thickness of not less than 0. Plastic molds shall be ABS plastic or equivalent Note 3 with a minimum average wall thickness of 0. The manufacturer or supplier shall certify the materials used in mold construction are in compliance with the requirements of this test method.

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The mold shall be in the form of the lateral surface of the frustum of a cone with the base 8 in. Individual diameters and heights shall be within 61? The base and the top shall be open and parallel to each other and at right angles to the axis of the cone. The mold shall be provided with foot pieces and handles similar to those shown in Fig.

The mold shall be constructed without a seam. The interior of the mold shall be relatively smooth and free from projections.

The mold shall be free from dents, deformation, or adhered mortar.

ASTM Standard Test Method C Slump of Hydraulic Cement Concrete | Owlcation

A mold which clamps to a nonabsorbent base plate is acceptable instead of the one illustrated, provided the clamping arrangement is such that it can be fully released without movement of the mold and the base is large enough to contain all of the slumped concrete in an acceptable test.

If the test results differ by more than 0. The length of the tamping rod shall be at least 4 in. The rod shall have the tamping end or both ends rounded to a hemispherical tip of the same diameter as the rod. NOTE 4—A rod length of 16 in. The instruement length shall be at least 12 in. Sample 6. Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters.

Approved August 1. Your comments will receive careful consideration at a meeting of the responsible technical committee. PO Box C Keywords different laboratories performing tests less than 4 min apart. Permission rights to photocopy the standard may also be secured from the ASTM website www.

If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards.

Approved February 1. The reported results for the replicate readings apply to tests conducted by different operators from Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phone.

ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard. West Conshohocken. Committee C09 has identified the location of selected changes to this test method since the last issue.

ASTM-C slump test. Flag for inappropriate content. Related titles. ASTM C Jump to Page.

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Standard Test Method for Slump of Hydraulic-Cement Concrete

Iqbal Fima Hamdana. Robin Gu. Set up your test area in a place that is free of debris and traffic, and make sure your slump plate is on the most level surface possible. Get a bucket of water and moisten the surface of the slump plate and the inside of the slump cone, to keep concrete from sticking to it. Put your slump cone on the plate and either clamp it down or stand on the foot pieces.

ASTM Standard Test Method C143: Slump of Hydraulic Cement Concrete

If standing on it, do not step off until the cone is full and ready to be lifted. Rod the layer 25 times, making sure to cover all the surface area inside the cone, slightly angling the rod to get the edges. Here, unlike other tests, you do not tap the side of the cone, because that causes artificial subsidence and your slump will come out higher than it really is.

Rod the layer 25 times, and this time make sure you penetrate the first layer by 1 inch. Again, do not tap the side of the cone.

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Fill the last layer up to the top, where the concrete is slightly overflowing. Rod the layer 25 times and penetrate the second layer by 1 inch. Remember to not tap the sides of the cone. This top layer needs to be kept full at all times, so add a bit of concrete if it starts to go below the rim of the cone. Strike off the excess concrete, and if you are standing on the cone keep it steady and do not get off yet.

Clean around the rim of the cone, making sure it is full. Optional: Place a penny in the center of the cone, so you can see where the center is displaced when you lift it.

Put your hands on the handles of the cone and push down while unclamping the cone or stepping off of it. Keep it steady.