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Mathematical Problems in Engineering
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2021
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Article
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Tab 9
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Research Article
Evaluation of Freeze-Thaw Durability of Silica Fume Concrete with Spraying Inorganic Coating Using Ultrasonic Testing
Table 9
Parameters of linear relationship between ultrasonic compressive pulse velocity and compressive strength.
Specimen
A′
B′
Determination coefficient
All samples
13.269
7.515
0.9359
C40-A1-NCTC
14.361
2.8576
0.9636
C40-A2-NCTC
12.814
9.8827
0.9408
C40-A3-NCTC
14.169
3.2907
0.9084