Microcosmic Analysis on Bonding Performance of Polypropylene Fiber Concrete
In the process of pull out testing polypropylene fiber, the performance of bonding of tested and untested objects has been microscopically analyzed; both the interface of polypropylene fiber-cement-based material, the hole morphology of cement-based material after the polypropylene fiber being pulled out by force and the condition after the polypropylene fiber being pulled out of concrete-based material are observed. Attachment phase analyses of the surface of the polypropylene fiber and cement-based transverse cracks after the polypropylene fiber being pulled out have both confirmed the fact that the performance of bonding of the polypropylene fiber-cement-based material can effectively transmit the outer force borne by the polypropylene fiber and that the performance of bonding of the polypropylene fiber-cement-based material is better.
W. H. Xuan et al., "Microcosmic Analysis on Bonding Performance of Polypropylene Fiber Concrete", Advanced Materials Research, Vols. 168-170, pp. 2150-2153, 2011