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Advances in Materials Science and Engineering
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Advances in Materials Science and Engineering
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2014
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Article
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Fig 1
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Research Article
Crack Extension Resistance of Normal-Strength Concrete Subjected to Elevated Temperatures
Figure 1
Four stages of crack propagation during the fracture process.
(a)
Initial notch length
(b)
Critical notch extension
(c)
Fully developed crack zone
(d)
Formation of new stress-free crack length