(4) Three concrete specimens with the size of 200x200x200mm³ were prepared for compressive test. After 28 days of standard curing, the peak compressive loads are 1233kN, 1199 kN and 1010 kN, respectively. Please evaluate the strength grade of this concrete. Strength grade
(4) Three concrete specimens with the size of 200x200x200mm³ were prepared for compressive test. After 28 days of standard curing, the peak compressive loads are 1233kN, 1199 kN and 1010 kN, respectively. Please evaluate the strength grade of this concrete. Strength grade
Chapter2: Loads On Structures
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Problem 1P
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![(4) Three concrete specimens with the size of 200x200x200mm³ were prepared for
compressive test. After 28 days of standard curing, the peak compressive loads are 1233kN,
1199 kN and 1010 kN, respectively. Please evaluate the strength grade of this concrete.
Strength grade <C204 C25-C454 C50-C554
Standard deviation/MPa 4.0
5.0
6.0](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffe591e3e-c1e9-4180-ad99-642a1f427277%2F37ded4c4-df0f-409c-ab02-07554f3e5803%2Fxjzwhup_processed.png&w=3840&q=75)
Transcribed Image Text:(4) Three concrete specimens with the size of 200x200x200mm³ were prepared for
compressive test. After 28 days of standard curing, the peak compressive loads are 1233kN,
1199 kN and 1010 kN, respectively. Please evaluate the strength grade of this concrete.
Strength grade <C204 C25-C454 C50-C554
Standard deviation/MPa 4.0
5.0
6.0
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