4) Three 100 mm cubic concrete specimens prepared from the same mix were crushed under uniaxial...

 

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4) Three 100 mm cubic concrete specimens prepared from the same mix were crushed under uniaxial compressive loads od 650 kN, 604 kN and 570 kN, a) Calculate the average compressive strength of this concrete in the N/mm² (5 points) b) If the splitting tensile strength of concrete is 12 % that of the average compressive strength, what will be minimum splitting tensile load in kN necessary to crush the same cubic specimens. (8 points) davg Ospitting P HINT: Formulas and table given below can be use for questions on hardened concrete. 2P TD² split = Conversion table for specimens 100 mm cube 150 mm cube 200 mm cube 100x150 mm cylinder 100 mm cube 1 150 mm cube 1.01 1.00 divided by 200 mm cube 1.05 1.04 1.00 150×300 mm cylinder 1.22 1.20 1.15 1.06 4) Three 100 mm cubic concrete specimens prepared from the same mix were crushed under uniaxial compressive loads od 650 kN, 604 kN and 570 kN, a) Calculate the average compressive strength of this concrete in the N/mm² (5 points) b) If the splitting tensile strength of concrete is 12 % that of the average compressive strength, what will be minimum splitting tensile load in kN necessary to crush the same cubic specimens. (8 points) davg Ospitting P HINT: Formulas and table given below can be use for questions on hardened concrete. 2P TD² split = Conversion table for specimens 100 mm cube 150 mm cube 200 mm cube 100x150 mm cylinder 100 mm cube 1 150 mm cube 1.01 1.00 divided by 200 mm cube 1.05 1.04 1.00 150×300 mm cylinder 1.22 1.20 1.15 1.06

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Solution 4 650 KN 604 KN 570 KN a Average Compressive Strength 100 mm Cu... View the full answer