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Vertical rod type bridge flexiblity monitor system

A monitoring system and bridge deflection technology, which is applied in the system field of the detection technology field, can solve the problems such as the failure to achieve a good balance between the monitoring cost and the effect, the increase of the monitoring cost, the waste of financial and material resources, etc. Wide applicability, the effect of avoiding a lot of redundant data

Inactive Publication Date: 2007-10-10
SHANGHAI JIAO TONG UNIV
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Problems solved by technology

[0004] After searching the existing technical literature, it was found that Yang Jianchun and Chen Weimin published "The Status and Development of Bridge Structure Deflection Automatic Monitoring Technology" in "Sensors and Microsystems", 2006, Volume 25, Issue 9, Pages 1-3 This paper introduces the existing technology, which has certain defects: it fails to achieve a good balance between the monitoring cost and the effect, the emerging technology has a tendency to increase the monitoring cost, and the collected data is There is a lot of redundancy, resulting in a waste of financial and material resources

Method used

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  • Vertical rod type bridge flexiblity monitor system
  • Vertical rod type bridge flexiblity monitor system
  • Vertical rod type bridge flexiblity monitor system

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Embodiment Construction

[0025] The embodiments of the present invention are described in detail below in conjunction with the accompanying drawings: this embodiment is implemented under the premise of the technical solution of the present invention, and detailed implementation methods and processes are provided, but the protection scope of the present invention is not limited to the following implementations example.

[0026] As shown in Figure 1, for the designated bridge that needs to be monitored for deflection, firstly, select a number of deflection measuring points on it, and determine the measuring point with the largest expected deflection according to the qualitative law of deflection distribution, and arrange the first type of vertical rods there 1. The shape is like the word "mountain", as shown in Figure 2. Secondly, the second type of vertical bar 2 is arranged at the measuring points at the two ends of the main girder of the bridge, which is a vertical open hollow bar, and a digital disp...

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Abstract

A monitoring system of deflection on bridge in vertical pole type comprises computer and mechanism set at monitored point. It is featured as connecting partial structure in mechanism set at monitored point to computer through wire.

Description

technical field [0001] The invention relates to a system in the technical field of detection, in particular to a vertical rod type bridge deflection monitoring system. Background technique [0002] The deflection of a bridge refers to the magnitude of the longitudinal linear displacement of the centroid at a certain cross-section of the bridge in the direction perpendicular to the axis. Deflection is one of the important parameters to evaluate the safety of bridges. It is closely related to the bearing capacity of bridges and the ability to resist destructive loads such as earthquakes. Excessive deflection will directly affect the speed and comfort of bridge deck driving. Therefore, the monitoring of deflection is an important part of bridge health monitoring. [0003] The main functions required to monitor the bridge deflection are: (1) Monitor the deflection value at a certain cross-section of the bridge, and obtain the law of the deflection along the lateral distribution...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M5/00
Inventor 王艺霖方从启刘西拉
Owner SHANGHAI JIAO TONG UNIV
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