Remote monitoring bridge evaluating method

A technology of remote monitoring and evaluation methods, applied in bridges, buildings, etc., can solve the problems of no reliable, novel and safe bridge safety evaluation methods, and achieve good working performance

Inactive Publication Date: 2006-03-01
CHONGQING JIAOTONG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The technical problem to be solved by the present invention is to overcome the defect that there is no reliable, no

Method used

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  • Remote monitoring bridge evaluating method
  • Remote monitoring bridge evaluating method
  • Remote monitoring bridge evaluating method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0052] Such as figure 1 , figure 2 As shown, follow the steps below to carry out bridge remote monitoring and evaluation

[0053] Preprocessing of bridge monitoring information: install monitoring components on the bridge, test the strain and deflection value information of key sections, filter out the noise in the bridge monitoring information by "removing the false and preserving the true", and retain the monitoring information that objectively reflects the actual safety status of the bridge. For subsequent safety evaluation;

[0054] Distribution and verification of bridge monitoring information: using the software compiled by the project group, the distribution type hypothesis-testing of bridge monitoring information is automatically realized through the computer;

[0055] Statistical parameter analysis of load effect: use the distribution type hypothesis of bridge monitoring information-test results to obtain relevant statistical parameters;

[0056] Collection and ac...

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Abstract

The remote monitoring bridge evaluating method adopts bridge structure reliability calculating and analyzing method, and includes the following steps: pre-treatment of bridge monitoring information, distribution and detection of bridge monitoring information, analysis of load effect statistic parameters, collection and accumulation of bridge structure construction data, uncertainty analysis of bridge structure cross section, material and calculation mode, analysis and calculation of bridge resistance statistic parameters, determination of bridge structure reliability calculation mode, reliability calculation of bridge structure control cross section, failure mode analysis of different kinds of bridge, calculation and analysis of bridge structure system reliability, determination of target reliability index and bridge safety evaluation and display.

Description

technical field [0001] The invention relates to a bridge remote monitoring and evaluation method. Background technique [0002] Numerous bridge safety accidents show that the safety of bridges has become a major social problem. It is imperative to study safe, objective and reliable bridge safety monitoring technology and evaluation system. In order to ensure the safety of the bridge, it is necessary to make a timely, objective and scientific safety assessment. In order to achieve the purpose of safety assessment, there are usually two approaches: load test detection and long-term health monitoring. Load test detection has the disadvantages of discontinuity, interruption of traffic, and repeated expenditure of a lot of manpower, material resources, and financial resources. Long-term health monitoring of bridges can overcome the above shortcomings, and it can realize long-term monitoring without interrupting traffic, and achieve the purpose of timely assessment of bridge sa...

Claims

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Application Information

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IPC IPC(8): E01D1/00
Inventor 周建庭
Owner CHONGQING JIAOTONG UNIVERSITY
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