Answer :
Final answer:
Flexural strength determination and compressive strength determination are tests used to evaluate the characteristics of cement according to the requirements set by EN 197-1.
Explanation:
Flexural strength determination and compressive strength determination are tests used to evaluate the characteristics of cement according to the requirements set by EN 197-1. These tests assess the ability of cement to resist bending and compression forces, respectively. To determine if the tests are valid according to EN 197-1, one needs to review the specific requirements outlined in the standard, such as the test methods, conditions, and acceptance criteria. Additionally, to decide if the cement complies with the requirements of EN 197-1, the test results must be compared to the specified limits and criteria mentioned in the standard.
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