Question (2): Obtain the following, for all problems below: a) The judgment as regards the extent of produced concrete being in accordance with the requirements of the project. b) The impact of the means of sample preparation and testing on the variation of the obtained results. c) The level of "Quality Control" for the produced concrete. (i) Concrete compressive tests were conducted on concrete cubes of different locations within a construction project. The compressive strength values turned out as follows: Compressive Strength (N/mm2) Test Number Specimen 1 Specimen 2 Specimen 3 27.5 32.5 30 2 34 35 33 3 29 32 35 4 39 38 37 5 35.5 35 34.5 30.5 32.5 34.5 7 34 32.5 36.5 8. 32 30 34 31 32 33 10 30 28 29 11 31.5 32 33.5 12 30.5 31.5 32 Taking into consideration that the required characteristic strength of concrete is 30 N/mm; accepted percentage of defects is 5%.
Question (2): Obtain the following, for all problems below: a) The judgment as regards the extent of produced concrete being in accordance with the requirements of the project. b) The impact of the means of sample preparation and testing on the variation of the obtained results. c) The level of "Quality Control" for the produced concrete. (i) Concrete compressive tests were conducted on concrete cubes of different locations within a construction project. The compressive strength values turned out as follows: Compressive Strength (N/mm2) Test Number Specimen 1 Specimen 2 Specimen 3 27.5 32.5 30 2 34 35 33 3 29 32 35 4 39 38 37 5 35.5 35 34.5 30.5 32.5 34.5 7 34 32.5 36.5 8. 32 30 34 31 32 33 10 30 28 29 11 31.5 32 33.5 12 30.5 31.5 32 Taking into consideration that the required characteristic strength of concrete is 30 N/mm; accepted percentage of defects is 5%.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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