SVM (support vector machine) based pile foundation damage identification method in case of ship-bridge collision

A damage identification and pile foundation technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve problems such as structural damage, loss, bridge collapse, etc.

Inactive Publication Date: 2017-08-08
ZHEJIANG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Especially when the bridge pile foundation encounters impact loads, the existing structure may be seriously damaged, and accidents may occur in the pile foundation. Once a major accident occurs in the bridge pile foundation, it may cause the collapse of the bridge and cause unpredictable estimated loss

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  • SVM (support vector machine) based pile foundation damage identification method in case of ship-bridge collision
  • SVM (support vector machine) based pile foundation damage identification method in case of ship-bridge collision
  • SVM (support vector machine) based pile foundation damage identification method in case of ship-bridge collision

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Embodiment Construction

[0012] In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0013] See figure 1 , The figure is a flowchart of the implementation of the system of the present invention.

[0014] A monitoring system for a ship impacting a bridge pier of the present invention includes a dynamic displacement sensor, an acceleration sensor, a speed sensor, an integrator installed on the bridge pier, a data acquisition module connected to the sensor, and an integral connected to the speed sensor Instrument, a data denoising module connected to the data acquisition module, a trigger storage control module connected to the data denoising module, a parameter analysis and impact force recognition module connected to the trigger storage control module, and The parameter analysis and impact force recognition module is connec...

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Abstract

The invention discloses a pile foundation damage identification system in case of a ship-bridge collision. With adoption of the system, when the ship-bridge collision occurs under a bridge, changes of bridge space parameters and energy transfer are recorded conveniently at the moment of the ship-bridge collision, the damage degree of a bridge pile foundation is determined accurately, whether the bridge pile foundation is so heavily damaged as to affect continuous service is judged, a bridge administrative department can make decision timely about whether traffic is to be closed or not, follow-up disaster is prevented, bridge maintenance work is executed instantly, and data support in real-time excitation and structural response can be provided for further deep development of refined damage identification and state evaluation of bridge members in a collision area.

Description

Technical field [0001] The invention belongs to the technical field of bridge pier monitoring, and specifically relates to a support vector machine-based method for identifying damage to the pile foundation of a ship colliding with a bridge. Background technique [0002] In recent years, with the rapid development of my country's economic construction, the transportation industry has developed faster and faster. At the same time, a large number of high-tech, large-span, and high-investment cross-sea and river-crossing bridges have sprung up. At the beginning of the 21st century, my country has built many world-class large bridges. The middle and lower reaches of the Yangtze River and the southeast coast have become the main battlefields for building large-scale cross-sea and river-crossing bridges. Judging from the current development and planning, the general trend of the construction of cross-sea bridges worldwide in the future is: to build bridges in wide sea areas with higher...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
CPCG06F30/23
Inventor 郭健朱绪江赵钦贺露露
Owner ZHEJIANG UNIV OF TECH
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