Astm c42 pdf download

Astm c42 pdf download

Astm C 42/C 42M – 03 Pdf free download,Search Standards

24/11/ · Astm C 42/C 42M – 03 Pdf free download November 24, by Mike Standard Test Method for Obtaining and Testing Drilled Cores and Sawed Beams of Concrete1 This Last previous edition approved in as C42/C42M– DOI: it will be in the identical moisture condition as concrete in the /C_CM structure. The moisture conditioning ASTM CC42M - 04 - Free download as PDF blogger.com), Text blogger.com) or read online for free. ASTM C42 - C42M - 20 Standard Test Method For Obtaining and Testing Drilled Views 01/01/ · Downloads; Contact Us; Cart; Search Tips; Search for: Search. Home / ASTM / ASTM C42/C42M ASTM C42/C42M $ $ Add to cart. Sale!%. ASTM 11/02/ · ASTM C42/C42M Standard Test Method for Obtaining and Testing Drilled Cores and Sawed Beams of Concrete Version. C_CM the right to download, store or ... read more

Standard Test Method for Wind Resistance of Concrete and Clay Roof Tiles Air Permeability Method 1 This standard is issued under the fixed designation C ; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A superscript Read more. We have detected that you are using extensions to block ads. Please support us by disabling these ads blocker. Astm C M — 04 Pdf free download. Astm C — 04 Pdf free download. Astm C — 03 Pdf free download. Related Posts: Astm C — 00 Pdf free download Pdf free download Astm D — 00 Pdf free download Pdf free download Astm D — 00 Pdf free download Pdf free download Astm E — 02 Pdf free download Pdf free download Astm E — 99 Pdf free download Pdf free download AstmE — 02 Pdf free download Pdf free download.

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Current edition approved July 1, Published July Originally approved in org, or Available from American Concrete Institute ACI , P. Box , Farmington contact ASTM Customer Service at service astm. For Annual Book of ASTM Hills, MI International, Vol. Copyright © ASTM International, Barr Harbor Drive, PO Box C, West Conshohocken, PA , United States. The moisture conditioning procedures in this test horizontal plane of the concrete as placed. A specimen drilled method are intended to provide reproducible moisture condi- perpendicular to a vertical surface, or perpendicular to a tions that minimize within-laboratory and between-laboratory surface with a batter, shall be taken from near the middle of a variations and to reduce the effects of moisture introduced unit of deposit when possible.

during specimen preparation. The relationship damaged. is affected by many factors such as the strength level of the concrete, the in-place temperature and moisture history, and the DRILLED CORES strength gain characteristics of the concrete. Historically, it has 6. The acceptance criteria for core walls or other structural elements shall have a diameter of at strength are to be established by the specifier of the tests. ACI least 3. Apparatus dimensions, measure the longest and shortest lengths on the cut surface along lines parallel to the core axis. Record the average 4. with diamond impregnated bits attached to a core barrel. Cores for Compressive Strength strength tests and to trim ends of cores. The saw shall have a 7. For non-load without excessive heating or shock.

Sampling 1, core diameters less than 3. For concrete with nominal maximum aggregate 5. disturbing the bond between the mortar and the coarse aggre- gate see Note 1 and Note 2. When preparing strength test NOTE 3—The compressive strengths of nominal 2-in. In addition, smaller diameter have been damaged during removal shall not be used unless the cores appear to be more sensitive to the effect of the length-diameter damaged portion s are removed and the resulting test speci- ratio. Samples of defective or NOTE 4—The preferred minimum core diameter is three times the damaged concrete that cannot be tested shall be reported along nominal maximum size of the coarse aggregate, but it should be at least with the reason that prohibits use of the sample for preparing two times the nominal maximum size of the coarse aggregate.

strength test specimens. If the ratio sampling plan for concrete in constructions. Core specimens with at any age depends on the curing history and strength grade of the length-diameter ratios equal to or less than 1. If time permits, the concrete should not be removed before it is corrections to the measured compressive strength see 7. A 14 days old. In-place test 1. capping or end grinding shall not be tested. and MacGregor, J. edges of a unit of deposit. Record and report the approximate The moisture conditioning procedures capping device shall accommodate actual core diameters and specified in this test method are intended to preserve the produce caps that are concentric with the core ends. Measure moisture of the drilled core and to provide a reproducible core lengths to the nearest 0.

When surfaces appear dry, but not later than 1 h after drilling, Determine the average diameter by averaging two measure- place cores in separate plastic bags or nonabsorbent containers ments taken at right angles to each other at the mid-height of and seal to prevent moisture loss. Maintain cores at ambient the specimen. Measure core diameters to the nearest 0. temperature, and protect cores from exposure to direct sunlight.

edu no longer supports Internet Explorer. To browse Academia. edu and the wider internet faster and more securely, please take a few seconds to upgrade your browser. Log in with Facebook Log in with Google. Remember me on this computer. Enter the email address you signed up with and we'll email you a reset link. Need an account? Click here to sign up. Download Free PDF. Firmanov Yl. Download Download PDF Full PDF Package Download Full PDF Package This Paper. A short summary of this paper. Download Download PDF. Download Full PDF Package. Translate PDF. A number in parentheses indicates the year of last reapproval. A superscript epsilon e indicates an editorial change since the last revision or reapproval. This standard has been approved for use by agencies of the Department of Defense.

for Test Methods for Construction Materials 1. SI units are shown in Concrete in Constructions brackets. Combining values from the two systems crete Cylinders may result in non-conformance with the standard. These notes and footnotes 3. Significance and Use excluding those in tables and figures shall not be considered as requirements of the standard. It is the responsibility splitting tensile, and flexural strength of in-place concrete. of the user of this standard to establish appropriate safety and 3. strength test results during construction or signs of distress in the structure. Another use of this method is to provide strength 2.

Referenced Documents information on older structures. There is no standard procedure Concrete and Concrete Aggregates and is the direct responsibility of Subcommittee to condition a specimen that will ensure that, at the time of test, C Current edition approved July 1, Published July Originally approved in org, or Available from American Concrete Institute ACI , P. Box , Farmington contact ASTM Customer Service at service astm. For Annual Book of ASTM Hills, MI International, Vol. Copyright © ASTM International, Barr Harbor Drive, PO Box C, West Conshohocken, PA , United States. The moisture conditioning procedures in this test horizontal plane of the concrete as placed.

A specimen drilled method are intended to provide reproducible moisture condi- perpendicular to a vertical surface, or perpendicular to a tions that minimize within-laboratory and between-laboratory surface with a batter, shall be taken from near the middle of a variations and to reduce the effects of moisture introduced unit of deposit when possible. during specimen preparation. The relationship damaged. is affected by many factors such as the strength level of the concrete, the in-place temperature and moisture history, and the DRILLED CORES strength gain characteristics of the concrete.

Historically, it has 6. The acceptance criteria for core walls or other structural elements shall have a diameter of at strength are to be established by the specifier of the tests. ACI least 3. Apparatus dimensions, measure the longest and shortest lengths on the cut surface along lines parallel to the core axis. Record the average 4. with diamond impregnated bits attached to a core barrel. Cores for Compressive Strength strength tests and to trim ends of cores. The saw shall have a 7. For non-load without excessive heating or shock. Sampling 1, core diameters less than 3. For concrete with nominal maximum aggregate 5. disturbing the bond between the mortar and the coarse aggre- gate see Note 1 and Note 2. When preparing strength test NOTE 3—The compressive strengths of nominal 2-in. In addition, smaller diameter have been damaged during removal shall not be used unless the cores appear to be more sensitive to the effect of the length-diameter damaged portion s are removed and the resulting test speci- ratio.

Samples of defective or NOTE 4—The preferred minimum core diameter is three times the damaged concrete that cannot be tested shall be reported along nominal maximum size of the coarse aggregate, but it should be at least with the reason that prohibits use of the sample for preparing two times the nominal maximum size of the coarse aggregate. strength test specimens. If the ratio sampling plan for concrete in constructions. Core specimens with at any age depends on the curing history and strength grade of the length-diameter ratios equal to or less than 1. If time permits, the concrete should not be removed before it is corrections to the measured compressive strength see 7. A 14 days old. In-place test 1. capping or end grinding shall not be tested. and MacGregor, J. edges of a unit of deposit. Record and report the approximate The moisture conditioning procedures capping device shall accommodate actual core diameters and specified in this test method are intended to preserve the produce caps that are concentric with the core ends.

Measure moisture of the drilled core and to provide a reproducible core lengths to the nearest 0. When surfaces appear dry, but not later than 1 h after drilling, Determine the average diameter by averaging two measure- place cores in separate plastic bags or nonabsorbent containers ments taken at right angles to each other at the mid-height of and seal to prevent moisture loss. Maintain cores at ambient the specimen. Measure core diameters to the nearest 0. temperature, and protect cores from exposure to direct sunlight. Keep cores in the sealed plastic bags or nonabsorbent 0. maximum time of 2 h to permit capping before testing. Test the specimens within 7 days after ends, complete these operations as soon as possible, but no coring, unless specified otherwise. later than 2 days after drilling of cores unless stipulated 7. After completing end each specimen using the computed cross-sectional area based preparation, wipe off surface moisture, allow the surfaces to on the average diameter of the specimen.

dry, and place the cores in sealed plastic bags or nonabsorbent 7. Minimize the duration of exposure to water during is 1. by the appropriate correction factor shown in the following 7. condition other than achieved by conditioning according to 7. NOTE 6—Correction factors depend on various conditions such as moisture condition, strength level, and elastic modulus. Average values for 7. If necessary, saw the ends of cores that will be capped so that They are applicable to both dry and wet concrete for strengths between prior to capping, the following requirements are met: psi and psi [14 MPa to 42 MPa]. For strengths above 10 7. psi [70 MPa], test data on cores show that the correction factors may be larger than the values listed above. Alternatively, determine the 7. After submerged weighing, dry cores and to the nearest 50 psi [0. length-diameter ratio when required, 7. placed in sealed bag or nonabsorbent container, 8.

When grinding or capping of the bearing surfaces is sealed bag or nonabsorbent container, required, measure the diameter between the finished surfaces. conditioning history as in 7. Therefore, results of two properly conducted tests on cores sampled from the same hardened concrete where a single test is defined as the average of two observations cores , each made on separate adjacent drilled 4 in. Cores for Splitting Tensile Strength 8. Ends are not to be capped. When the line of contact is not straight or contains projections or depressions having heights or depths greater than 0. Do not test speci- mens with projections or depressions greater than 0. When capping is employed, the caps shall be as thin as practicable and shall be formed of high-strength gypsum plaster.

ASTM C42/C42M-13,Recent Posts

Last previous edition approved in as C42/C42M– DOI: it will be in the identical moisture condition as concrete in the /C_CM structure. The moisture conditioning 01/04/ · ASTM C42/C42M February Standard Test Method for Obtaining and Testing Drilled Cores and Sawed Beams of Concrete Historical Version ASTM C42/C42M 24/11/ · Astm C 42/C 42M – 03 Pdf free download November 24, by Mike Standard Test Method for Obtaining and Testing Drilled Cores and Sawed Beams of Concrete1 This 11/02/ · ASTM C42/C42M Standard Test Method for Obtaining and Testing Drilled Cores and Sawed Beams of Concrete Version. C_CM the right to download, store or ASTM CC42M - 04 - Free download as PDF blogger.com), Text blogger.com) or read online for free. ASTM C42 - C42M - 20 Standard Test Method For Obtaining and Testing Drilled Views Download Free PDF Designation: C 42/C 42M – 04 Standard Test Method for Obtaining and Testing Drilled Cores and Sawed Beams of Concrete 1 Firmanov Yl Full PDF Package This ... read more

A number in parentheses indicates the year of last Read more. edges of a unit of deposit. laboratories should not differ from each other by more than 9. Flexural Strength 9. Developed by Subcommittee: C

Licensee agrees to submit to jurisdiction and venue in the state and federal courts of Pennsylvania for any dispute which may arise under this Agreement. Because of the variability of customs processes and procedures in different countries, ASTM International cannot guarantee transit times to international destinations, astm c42 pdf download. Format Select Format. These notes and footnotes 3. Terms and Fees. Developed by Subcommittee: C