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    Interpretation of Concrete Strength for Nonstandard Specimens

    Source: Journal of Materials in Civil Engineering:;2002:;Volume ( 014 ):;issue: 002
    Author:
    M. A. Mansur
    ,
    M. M. Islam
    DOI: 10.1061/(ASCE)0899-1561(2002)14:2(151)
    Publisher: American Society of Civil Engineers
    Abstract: A total of about 210 cylinders and cubes of five different sizes and aspect ratios made from eleven batches of concrete were tested in direct compression to establish the interrelationships between their strengths. The range of concrete strengths considered was between 20 and 100 MPa. All specimens prepared from each batch of concrete were cured under identical conditions before testing at the same age. An analysis of these data together with those generated earlier at the National University of Singapore has revealed that the ratio of standard cube strength to that of other specimens decreases with an increase in the level of concrete strength. Also, a decrease in either the size or the aspect ratio of specimens leads to a decrease in this ratio. Expressions relating the compressive strengths of cylinders of two different sizes and two different aspect ratios, and of smaller size cubes with standard cube strength, are presented. These expressions may be combined to obtain useful interrelationships between the strengths of any two types of specimens.
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      Interpretation of Concrete Strength for Nonstandard Specimens

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    contributor authorM. A. Mansur
    contributor authorM. M. Islam
    date accessioned2017-05-08T21:17:22Z
    date available2017-05-08T21:17:22Z
    date copyrightApril 2002
    date issued2002
    identifier other%28asce%290899-1561%282002%2914%3A2%28151%29.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/45758
    description abstractA total of about 210 cylinders and cubes of five different sizes and aspect ratios made from eleven batches of concrete were tested in direct compression to establish the interrelationships between their strengths. The range of concrete strengths considered was between 20 and 100 MPa. All specimens prepared from each batch of concrete were cured under identical conditions before testing at the same age. An analysis of these data together with those generated earlier at the National University of Singapore has revealed that the ratio of standard cube strength to that of other specimens decreases with an increase in the level of concrete strength. Also, a decrease in either the size or the aspect ratio of specimens leads to a decrease in this ratio. Expressions relating the compressive strengths of cylinders of two different sizes and two different aspect ratios, and of smaller size cubes with standard cube strength, are presented. These expressions may be combined to obtain useful interrelationships between the strengths of any two types of specimens.
    publisherAmerican Society of Civil Engineers
    titleInterpretation of Concrete Strength for Nonstandard Specimens
    typeJournal Paper
    journal volume14
    journal issue2
    journal titleJournal of Materials in Civil Engineering
    identifier doi10.1061/(ASCE)0899-1561(2002)14:2(151)
    treeJournal of Materials in Civil Engineering:;2002:;Volume ( 014 ):;issue: 002
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
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