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TENSILE CHARACTERIZATION OF SUSTAINABLE ULTRA-HIGH PERFORMANCE FIBRE REINFORCED CONCRETE CONTAINING GGBS



Author(s): J. Xia, R. Tao and Y. Ma
Book Title: Seventh International RILEM Conference on High Performance Fiber Reinforced Cement Composites (HPFRCC7)
Editor: H.W. Reinhardt, G.J. Parra-Montesinos, H. Garrecht
ISBN: 978-2-35158-145-2
e-ISBN: 978-2-35158-146-9
Publisher: RILEM Publications SARL
Publication year: 2015
Pages: 103-110
Total Pages: 8
Language: English


Abstract: Ultra-high performance fiber reinforced concrete (UHPFRC) has superior mechanical properties and good durability. However, due to high usage of cement, the embodied energy of UHPFRC is much higher than ordinary concrete. In order to alleviate the environmental and economic concerns on utilizing UHPFRC, ground granulated blast-furnace slag (GGBS) is used as cement supplemental material to reduce the material cost and mitigate the sustainability concerns on using large amount of cement. UHPFRC material containing 50% weight replacement of GGBS were investigated in this study. UHPFRC prisms were cast and loaded in four point bending tests. These specimens were cured under two different conditions: the heat curing in hot water at 90 degree Celsius for forty-eight hours and the normal curing in water at around 20 degree Celsius. For each specimen group, at least three 100 mm cubes were tested in order to obtain the corresponding compressive strength. Partial-destructive pull out specimens from different material group were also tested as alternative to flexural based method. Finite element analysis were utilized to simulate the pull out test thus to estimate the tensile strength of corresponding material.


Online publication: 2015
Publication Type: full_text
Public price (Euros): 0.00


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