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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

(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

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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
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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