The micro cracks develop as soon as the tensile strain in concrete exc – McqOptions

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1.	The micro cracks develop as soon as the tensile strain in concrete exceeds about ____________
A.	80-100 10<sup>-6</sup> units
B.	100-150 10<sup>-6</sup> units
C.	150-300 10<sup>-6</sup> units
D.	300-500 10<sup>-6</sup> units
Answer» B. 100-150 10<sup>-6</sup> units

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