SONG Shao-min WANG Hai-long LIU Juan-hong MEI Shi-gangShijiazhuang Railway Institute
Abstract:
The physical properties and microstructure of SUF are investigated to develop a highly effective cement matrix crack-patching material for concrete cracks. The SEM and XRD determination of hardened SUF shows that the microstructure of SUF is dense and compact with a lot of C-S-H gels and ettringite. Also , the mechanism of shrinkage compensating is discussed.