Cracking and debonding of a thin fiber reinforced concrete overlay : research brief.
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2017-03-01
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Abstract:Experimental tests found that the tensile interfacial energy
increased with fiber-reinforcement. Also bond tests indicated
that interfacial fracture occurred through the overlay mixture and
was proportional to the number of fibers which intersected the
fracture path near this interface.
The finite element analysis verified that crack width, vertical lift
off, and debonding length all decrease as the fracture energy
across a joint increases or as the interfacial tensile bond increases.
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