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High-performance intelligent waste ceramic concrete with low doping amount of carbon nanotubes and preparation process of high-performance intelligent waste ceramic concrete
According to the low-doping-amount carbon nanotube high-performance intelligent waste ceramic concrete and the preparation process thereof, 0.3% of low-doping-amount carbon nanotubes and waste ceramic are combined, a carbon nanotube dispersing process of ultrasonic and high-speed shearing is adopted, the 28d breaking strength of the prepared concrete reaches 16.8 MPa, the compressive strength reaches 105.5 MPa, the 28d breaking energy reaches 209.4 J/m < 2 >, the 28d compression work reaches 162.0 kN.mm, the compressive strength reaches 105.5 MPa, and the compressive strength reaches 105.5 MPa. Under the action of cyclic load with the amplitude of 10MPa, the resistivity change rate is up to 16.17%, and the stress/strain sensitivity is up to 1.62%/MPa and 575.9 respectively. Through the design and preparation of the high-performance concrete material, green high-performance intelligent concrete can be obtained under the condition of low doping amount of carbon nanotubes, and the electrical and mechanical properties and low-carbon property of the concrete are improved; meanwhile, a way is provided for high-efficiency and high-added-value resource utilization of the waste ceramic.
本发明公开了低掺量碳纳米管高性能智能废弃陶瓷混凝土及其制备工艺，利用0.3％低掺量碳纳米管和废弃陶瓷组合，采用超声和高速剪切的分散碳纳米管工艺，所制备的混凝土28d抗折强度达到16.8MPa，抗压强度达到105.5MPa，28d断裂能和压缩功分别高达209.4J/m2和162.0kN·mm，在幅值为10MPa循环荷载作用下的电阻率变化率高达16.17％，应力/应变灵敏度分别达到1.62％/MPa和575.9。通过上述高性能混凝土材料的设计与制备，在低掺量碳纳米管下就可获得绿色高性能智能的混凝土，提高了混凝土的电学、力学性能与低碳性；同时为废弃陶瓷高效与高附加值的资源化利用提供了途径。
High-performance intelligent waste ceramic concrete with low doping amount of carbon nanotubes and preparation process of high-performance intelligent waste ceramic concrete
According to the low-doping-amount carbon nanotube high-performance intelligent waste ceramic concrete and the preparation process thereof, 0.3% of low-doping-amount carbon nanotubes and waste ceramic are combined, a carbon nanotube dispersing process of ultrasonic and high-speed shearing is adopted, the 28d breaking strength of the prepared concrete reaches 16.8 MPa, the compressive strength reaches 105.5 MPa, the 28d breaking energy reaches 209.4 J/m < 2 >, the 28d compression work reaches 162.0 kN.mm, the compressive strength reaches 105.5 MPa, and the compressive strength reaches 105.5 MPa. Under the action of cyclic load with the amplitude of 10MPa, the resistivity change rate is up to 16.17%, and the stress/strain sensitivity is up to 1.62%/MPa and 575.9 respectively. Through the design and preparation of the high-performance concrete material, green high-performance intelligent concrete can be obtained under the condition of low doping amount of carbon nanotubes, and the electrical and mechanical properties and low-carbon property of the concrete are improved; meanwhile, a way is provided for high-efficiency and high-added-value resource utilization of the waste ceramic.
本发明公开了低掺量碳纳米管高性能智能废弃陶瓷混凝土及其制备工艺，利用0.3％低掺量碳纳米管和废弃陶瓷组合，采用超声和高速剪切的分散碳纳米管工艺，所制备的混凝土28d抗折强度达到16.8MPa，抗压强度达到105.5MPa，28d断裂能和压缩功分别高达209.4J/m2和162.0kN·mm，在幅值为10MPa循环荷载作用下的电阻率变化率高达16.17％，应力/应变灵敏度分别达到1.62％/MPa和575.9。通过上述高性能混凝土材料的设计与制备，在低掺量碳纳米管下就可获得绿色高性能智能的混凝土，提高了混凝土的电学、力学性能与低碳性；同时为废弃陶瓷高效与高附加值的资源化利用提供了途径。
High-performance intelligent waste ceramic concrete with low doping amount of carbon nanotubes and preparation process of high-performance intelligent waste ceramic concrete
低掺量碳纳米管高性能智能废弃陶瓷混凝土及其制备工艺
ZHANG LIQING (Autor:in) / GUO MIANZHEN (Autor:in) / BIAN MINGQIANG (Autor:in) / LIU QIUPING (Autor:in) / XIAO ZHENRONG (Autor:in) / YU JIALE (Autor:in) / XU KAICHENG (Autor:in)
07.11.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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