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Title: Concrete strength relationships
Authors: United States. Army. Office of the Chief of Engineers.
Hammitt, George M.
Keywords: Concrete strength
Concrete tests
Load-carrying capacity
Rigid pavements
Publisher: Soils and Pavements Laboratory (U.S.)
Engineer Research and Development Center (U.S.)
Description: Miscellaneous paper
Abstract: This paper presents a summary of five strength tests currently being used to evaluate the load-carrying capability of concrete pavements. The five tests were those for compression, flexure, splitting tensile, ring tensile, and shearing. The strength relationships between these tests reported by 13 sources are presented. A combined analysis was performed on test results from 3640 concrete samples and the following relationships were developed: compressive strength = 10.02 (flexural strength) - 2123; compressive strength = 12.53 (splitting tensile strength) - 1275; compressive strength = 9.75 (ring tensile strength)- 1786; compressive strength= 7.39 (longitudinal shear strength) - 1578; and flexural strength = 1.02 (splitting tensile strength) + 210.5. In view of the numerous factors influencing the relationships of the strengths of concrete, it is not surprising that no simple exact relation is applicable. However, these correlations are felt to be representative in lieu of specific testing for concrete pavement design and evaluation.
Rights: Approved for public release; distribution is unlimited.
Appears in Collections:Miscellaneous Paper

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