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Concrete structure full life cycle monitoring system and monitoring method

A concrete structure, full life cycle technology, used in measuring devices, instruments, scientific instruments, etc., can solve problems such as easy damage, inability to achieve monitoring effects, etc., to improve stability and durability, reduce signals, and improve compatibility. Effect

Active Publication Date: 2022-01-07
WUHAN UNIV
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Problems solved by technology

[0005] The purpose of the present invention is to provide a concrete structure life cycle monitoring system and monitoring method to solve the problems in the prior art that the monitoring of directly embedded piezoelectric materials is easy to be damaged and cannot achieve the required monitoring effect

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  • Concrete structure full life cycle monitoring system and monitoring method
  • Concrete structure full life cycle monitoring system and monitoring method
  • Concrete structure full life cycle monitoring system and monitoring method

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Embodiment Construction

[0046] In order to more clearly illustrate the embodiments of the present invention and / or the technical solutions in the prior art, the specific implementation manners of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. It should be pointed out that what is described below is only a part of the embodiments of the present invention, rather than all the embodiments. Those of ordinary skill in the art can also obtain other drawings and obtain other implementation manners based on these drawings without making creative efforts.

[0047] Such as figure 1 and figure 2 As shown, the present invention provides a concrete structure life cycle monitoring system, including cement-based piezoelectric sensors, impedance testing instruments 9, impedance analysis PC11, charge amplifier 13, data acquisition card 15 and acoustic emission analysis PC17, the cement-based The piezoelectric sensor includes a piezoelectric eleme...

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Abstract

The invention discloses a concrete structure full life cycle monitoring system and monitoring method. The system is composed of a cement-based piezoelectric sensor, a concrete structure early strength development monitoring system and a service concrete structure damage process monitoring system. In the concrete pouring stage, early strength development of the concrete structure is monitored by adopting an electromechanical impedance technology. In the concrete service stage, the damage process of a service concrete structure is monitored by adopting an acoustic emission technology. According to the concrete structure full life cycle monitoring system and the monitoring method provided by the invention, the whole life cycle of the concrete structure can be continuously monitored by using the same cement-based piezoelectric sensor, which is of great significance to health monitoring of the concrete structure.

Description

technical field [0001] The invention belongs to the technical field of civil engineering, and relates to a concrete structure health monitoring technology, in particular to a concrete structure life cycle monitoring system and a monitoring method. Background technique [0002] Concrete is one of the most widely used and used building materials in the world today. From pouring to the end of its service life, the mechanical properties of concrete structures are constantly changing. During the construction phase, the main problem for the operator is to determine the appropriate time to remove the supporting formwork and tension prestressing etc. when pouring the concrete structure, which depends on the early strength development of the concrete structure. When the concrete structure is in the service stage, due to its large, complex and mostly exposed features, it will withstand various damages and damages caused by the environment and man-made. Safety and reliability within t...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/04G01N29/14
CPCG01N27/041G01N29/14G01N2291/0232
Inventor 姜清辉李应卫马永力代建云
Owner WUHAN UNIV
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