 | International Railway Congress Association - 1923 - 1262 pages
...28 days, based on tests of 6 by 12-inches or 8 by 16-inches cylinders made and tested in accordance with the Standard methods of making and storing specimens of concrete in the field and the Tentative methods of making compression tests of concrete ; compressive unit stress in metal... | |
 | American Electric Railway Association - 1924 - 834 pages
...of the concrete are required the test specimens shall be made according to the ASTM standard Method of Making and Storing Specimens of Concrete in the Field (Serial Designation C 31-21) and the specimens shall be tested according to the A. STM Tentative Method of Making Compressive Tests... | |
 | 1922 - 790 pages
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 | 1921 - 936 pages
...deductions made when necessary to determine the purity of the chemicals used. j' , -i ' V STANDARD METHOD OF MAKING AND STORING SPECIMENS OF CONCRETE IN THE FIELD. Serial Designation: C31-21. These methods are issued under the fixed designation C 3 1 ; the final number indicates the... | |
 | William Spaulding Kinne - 1924 - 820 pages
...be necessary to secure concrete of the required strength. Concrete tests shall be made in accordance with the Standard Methods of Making and Storing Specimens of Concrete in the Field and the Tentative Methods of Making Compression Tests of Concrete. ' The Committee has under consideration... | |
 | Structural Materials Research Laboratory, Chicago - 1925 - 762 pages
...adoption by testing laboratories of the methods of making and testing concrete specimens recommended in the "Standard Methods of Making and Storing Specimens of Concrete in the Field" (Serial Designation: C 31 -21)1 and in the "Tentative Methods of Making Compression Tests of Concrete" (Serial Designation:... | |
 | 1925 - 396 pages
...conducting compression tests of concrete specimens made during the progress of construction work, see the Standard Methods of Making and Storing Specimens of Concrete in the Field (Serial Designation: C31) ofthe ASTM) •American Society for Testing Materials. Tentative Method C 42-21 T, 1921 : Specimens... | |
 | Structural Materials Research Laboratory, Chicago - 1925 - 26 pages
...are : 1. The 6 by 12-in. cylinder generally used for compression tests of concrete, as recommended in the Standard Methods of Making and Storing Specimens of Concrete in the Field (Serial Designation: С 31 21) and in the Tentative Methods of Making Compression Tests of Concrete (Serial Designation:... | |
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Standard Methods of Making and Storing Specimens of Concrete in the Field... 
