A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Interfacial bonding behavior of steel fibers when using fine glass powder as partial substitution of silica fume/cement
https://orcid.org/0000-0002-6699-9684
Abstract The objective of this study is to investigate the influence of glass powder (GP) substitution levels on fiber-matrix interfacial behavior. The pullout load-slip response curves were obtained by conducting fiber pullout tests. The interfacial bond behavior of all specimens was quantitatively analyzed in details. From the XRD patterns and SEM images of matrix, the microstructure of all tested series was discussed. The results indicate that GP as partial substitution of cement/silica fume in ultra-high performance cementitious composite can help to improve the interfacial bond behavior. Among all tested series, the specimens with 20 % substitution level exhibited the largest energy absorption capacity. According to micro-properties of the matrix, it is found that the GP substitution level of 15 %–30 %, reduces the number of scattered pores significantly and more flocculent or fluffy C-S-H gels are produced. In addition, by involving meso-mechanics static equilibrium, the evolution of fiber pullout behavior with various GP substitution levels in different stages could be well simulated and predicted.
Highlights GP to substitute cement/SF in UHPCC, as a sustainability study. To investigate the influence of GP substitution levels on fiber-matrix interfacial behavior. Microstructure of all tested series at various GP substitution levels were analyzed. Based on the meso-mechanics static equilibrium, the evolution of fiber pullout behavior in different stages were predicted.
Interfacial bonding behavior of steel fibers when using fine glass powder as partial substitution of silica fume/cement
https://orcid.org/0000-0002-6699-9684
Abstract The objective of this study is to investigate the influence of glass powder (GP) substitution levels on fiber-matrix interfacial behavior. The pullout load-slip response curves were obtained by conducting fiber pullout tests. The interfacial bond behavior of all specimens was quantitatively analyzed in details. From the XRD patterns and SEM images of matrix, the microstructure of all tested series was discussed. The results indicate that GP as partial substitution of cement/silica fume in ultra-high performance cementitious composite can help to improve the interfacial bond behavior. Among all tested series, the specimens with 20 % substitution level exhibited the largest energy absorption capacity. According to micro-properties of the matrix, it is found that the GP substitution level of 15 %–30 %, reduces the number of scattered pores significantly and more flocculent or fluffy C-S-H gels are produced. In addition, by involving meso-mechanics static equilibrium, the evolution of fiber pullout behavior with various GP substitution levels in different stages could be well simulated and predicted.
Highlights GP to substitute cement/SF in UHPCC, as a sustainability study. To investigate the influence of GP substitution levels on fiber-matrix interfacial behavior. Microstructure of all tested series at various GP substitution levels were analyzed. Based on the meso-mechanics static equilibrium, the evolution of fiber pullout behavior in different stages were predicted.
Interfacial bonding behavior of steel fibers when using fine glass powder as partial substitution of silica fume/cement
https://orcid.org/0000-0002-6699-9684
Abstract The objective of this study is to investigate the influence of glass powder (GP) substitution levels on fiber-matrix interfacial behavior. The pullout load-slip response curves were obtained by conducting fiber pullout tests. The interfacial bond behavior of all specimens was quantitatively analyzed in details. From the XRD patterns and SEM images of matrix, the microstructure of all tested series was discussed. The results indicate that GP as partial substitution of cement/silica fume in ultra-high performance cementitious composite can help to improve the interfacial bond behavior. Among all tested series, the specimens with 20 % substitution level exhibited the largest energy absorption capacity. According to micro-properties of the matrix, it is found that the GP substitution level of 15 %–30 %, reduces the number of scattered pores significantly and more flocculent or fluffy C-S-H gels are produced. In addition, by involving meso-mechanics static equilibrium, the evolution of fiber pullout behavior with various GP substitution levels in different stages could be well simulated and predicted.
Highlights GP to substitute cement/SF in UHPCC, as a sustainability study. To investigate the influence of GP substitution levels on fiber-matrix interfacial behavior. Microstructure of all tested series at various GP substitution levels were analyzed. Based on the meso-mechanics static equilibrium, the evolution of fiber pullout behavior in different stages were predicted.
Interfacial bonding behavior of steel fibers when using fine glass powder as partial substitution of silica fume/cement
Bao, Sihai (author) / Zhang, Yafang (author) / Li, Congbo (author) / Zhang, Weijian (author) / Zeng, Ke (author)
2023-12-07
Article (Journal)
Electronic Resource
English
Partial substitution of silica fume with fine glass powder in UHPC: Filling the micro gap
| Online Contents | 2017
Partial substitution of silica fume with fine glass powder in UHPC: Filling the micro gap
| British Library Online Contents | 2017