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Impact resistance of basalt fiber strain-hardening cementitious composites exposed to elevated temperatures
Highlights SHCCs are developed using basalt fiber and calcium aluminate cement. Tensile stress–strain relationship of SHCC at high temperature is studied. Compressive stress–strain relationship of SHCC at high temperatures is studied. Strain-rate effect and specific energy absorption of BF-SHCC are studied. DIF and strain rate of BF-SHCC at elevated temperatures are calculated.
Abstract In this study, a basalt fiber strain-hardening cementitious composite (BF-SHCC) with good high-temperature mechanical performance was developed, and its static and dynamic compressive properties at elevated temperatures were investigated. The BF-SHCC lost its strain-hardening behavior at 200 °C. At a constant strain rate, the dynamic compressive strength and specific energy absorption of the BF-SHCC showed an increasing trend over the temperature ranges of 20–200 and 400–600 °C. The tensile and compressive properties of the BF-SHCC depended on its microstructure.
Impact resistance of basalt fiber strain-hardening cementitious composites exposed to elevated temperatures
Highlights SHCCs are developed using basalt fiber and calcium aluminate cement. Tensile stress–strain relationship of SHCC at high temperature is studied. Compressive stress–strain relationship of SHCC at high temperatures is studied. Strain-rate effect and specific energy absorption of BF-SHCC are studied. DIF and strain rate of BF-SHCC at elevated temperatures are calculated.
Abstract In this study, a basalt fiber strain-hardening cementitious composite (BF-SHCC) with good high-temperature mechanical performance was developed, and its static and dynamic compressive properties at elevated temperatures were investigated. The BF-SHCC lost its strain-hardening behavior at 200 °C. At a constant strain rate, the dynamic compressive strength and specific energy absorption of the BF-SHCC showed an increasing trend over the temperature ranges of 20–200 and 400–600 °C. The tensile and compressive properties of the BF-SHCC depended on its microstructure.
Impact resistance of basalt fiber strain-hardening cementitious composites exposed to elevated temperatures
Zhang, Na (author) / Xu, Mingfeng (author) / Song, Song (author) / Li, Hui (author) / Zhou, Jian (author) / Ma, Guowei (author)
2020-06-24
Article (Journal)
Electronic Resource
English
BF-SHCC , basalt fiber strain-hardening cementitious composite , ECC , engineered cementitious composite , PVA , polyvinyl alcohol , PE , polyethylene , PP , polypropylene , BF , basalt fiber , CAC , calcium aluminate cement , SHPB , Split-Hopkinson pressure bar , TGA-DSC , thermogravimetry analysis-differential scanning calorimetry , SEM , scanning electron microscopy , XRD , X-ray diffraction , FA , fly ash , SF , silica fume , EDX , energy-dispersive X-ray , ICSD , inorganic crystal structure database , DIF , dynamic increase factor , SEA , specific energy absorption , Strain-hardening cementitious composites , Basalt fiber , Dynamic behavior , Elevated temperature
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