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. 2015 May 25;2015:863706. doi: 10.1155/2015/863706

Figure 11.

Figure 11

(a) Failure pattern for Control-0% TDA concrete, (b) 7.5% TDA-1 concrete failure pattern during pull-out test. Wide and multiple cracks are noted in the Control-0% TDA concrete while a single crack forms in 7.5% TDA-1 concrete.