Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Prestressed carbon fiber fabric reinforced concrete sheet based on health monitoring
The invention provides a prestressed carbon fiber fabric reinforced concrete (PTRC) thin plate based on health monitoring, which comprises a prestressed carbon fiber fabric reinforced concrete thin plate body, and the prestressed carbon fiber fabric reinforced concrete thin plate body is composed of bottom concrete, a carbon fiber woven net, a prestressed protection device and upper concrete, the tensioning end of the carbon fiber woven net is connected into the positioning holes in the multiple sets of prestress protection devices by smearing inorganic glue after being soaked with epoxy resin, multiple sets of piezoelectric sensing materials are evenly arranged at the maximum bending moment bearing position of the upper concrete along the cross section, and the piezoelectric sensing materials are communicated with piezoelectric sensors. By dynamically monitoring the pressure change of the PTRC thin plate, the deformation of the PTRC thin plate and the overall stress condition of a reinforced component are monitored; prestress loss caused by fiber retraction, concrete hardening shrinkage and the like in the prestress applying process can be avoided, and health monitoring can be conducted on the stress condition of the reinforced component in the service period.
本发明提供一种基于健康监测下的预应力碳纤维织物增强混凝土(PTRC)薄板，其包括预应力碳纤维织物增强混凝土薄板本体，预应力碳纤维织物增强混凝土薄板本体由底部混凝土、碳纤维织网、预应力保护装置以及上部混凝土构成，碳纤维织网的张拉端用环氧树脂浸润后通过涂抹无机胶连接于若干组预应力保护装置上的定位孔内，上部混凝土承受弯矩最大处沿横截面均匀布置若干组压电传感材料，压电传感材料接通压电传感器。本发明通过动态监测PTRC薄板受压变化，对PTRC薄板变形以及被加固构件整体受力情况进行监测；不仅能避免因预应力施加过程中纤维回缩、混凝土硬化收缩等导致的预应力损失，还能对被加固构件服役期间的受力情况进行健康监测。
Prestressed carbon fiber fabric reinforced concrete sheet based on health monitoring
The invention provides a prestressed carbon fiber fabric reinforced concrete (PTRC) thin plate based on health monitoring, which comprises a prestressed carbon fiber fabric reinforced concrete thin plate body, and the prestressed carbon fiber fabric reinforced concrete thin plate body is composed of bottom concrete, a carbon fiber woven net, a prestressed protection device and upper concrete, the tensioning end of the carbon fiber woven net is connected into the positioning holes in the multiple sets of prestress protection devices by smearing inorganic glue after being soaked with epoxy resin, multiple sets of piezoelectric sensing materials are evenly arranged at the maximum bending moment bearing position of the upper concrete along the cross section, and the piezoelectric sensing materials are communicated with piezoelectric sensors. By dynamically monitoring the pressure change of the PTRC thin plate, the deformation of the PTRC thin plate and the overall stress condition of a reinforced component are monitored; prestress loss caused by fiber retraction, concrete hardening shrinkage and the like in the prestress applying process can be avoided, and health monitoring can be conducted on the stress condition of the reinforced component in the service period.
本发明提供一种基于健康监测下的预应力碳纤维织物增强混凝土(PTRC)薄板，其包括预应力碳纤维织物增强混凝土薄板本体，预应力碳纤维织物增强混凝土薄板本体由底部混凝土、碳纤维织网、预应力保护装置以及上部混凝土构成，碳纤维织网的张拉端用环氧树脂浸润后通过涂抹无机胶连接于若干组预应力保护装置上的定位孔内，上部混凝土承受弯矩最大处沿横截面均匀布置若干组压电传感材料，压电传感材料接通压电传感器。本发明通过动态监测PTRC薄板受压变化，对PTRC薄板变形以及被加固构件整体受力情况进行监测；不仅能避免因预应力施加过程中纤维回缩、混凝土硬化收缩等导致的预应力损失，还能对被加固构件服役期间的受力情况进行健康监测。
Prestressed carbon fiber fabric reinforced concrete sheet based on health monitoring
一种基于健康监测下的预应力碳纤维织物增强混凝土薄板
XUE HONGJING (Autor:in) / SHU WEINONG (Autor:in) / ZHANG GUOWEI (Autor:in) / CAI QING (Autor:in)
15.11.2022
Patent
Elektronische Ressource
Chinesisch
IPC:
E04C
STRUCTURAL ELEMENTS
,
Bauelemente
/
G01B
MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS
,
Messen der Länge, der Dicke oder ähnlicher linearer Abmessungen
/
G01L
Messen von Kraft, mechanischer Spannung, Drehmoment, Arbeit, mechanischer Leistung, mechanischem Wirkungsgrad oder des Drucks von Fluiden
,
MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
Fiber reinforced prestressed concrete
| British Library Conference Proceedings | 1997
Reinforced concrete for prestressed carbon fiber plate
| Europäisches Patentamt | 2022
Fiber-reinforced prestressed reinforced concrete sleeper
| Europäisches Patentamt | 2022
Fiber-reinforced prestressed reinforced concrete sleeper
| Europäisches Patentamt | 2021
FIBER-REINFORCED PRESTRESSED REINFORCED CONCRETE SLEEPER
| Europäisches Patentamt | 2021