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Bridge pier-ship collision monitoring system

A monitoring system and bridge pier technology, which is applied to measuring devices, force/torque/work measuring instruments, instruments, etc., can solve the problems of inability to impact damage assessment, poor work performance, and high maintenance costs, and achieve simple structure, low environmental impact, Easy installation and maintenance

Inactive Publication Date: 2018-09-28
DALIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These sensing devices often consume a lot of energy, are expensive, have high maintenance costs, and work poorly in harsh environments (rain, snow, fog)
In addition, the arrangement of these sensing devices needs to occupy part of the waterway, but it cannot buffer the energy dissipation of the impact to protect the safety of the bridge pier structure, and cannot perform damage assessment on the impact

Method used

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  • Bridge pier-ship collision monitoring system
  • Bridge pier-ship collision monitoring system
  • Bridge pier-ship collision monitoring system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Such as figure 1 Shown is the structural diagram of the self-sensing rubber fender 1, in which the rubber-based collision sensor 2 is pasted on the surface of the rubber 3, and the rubber-based collision sensor 1 is pasted on the rubber 3 with superglue, wherein the rubber-based collision sensor 2 includes The rubber-based quantum tunnel effect composite material 4, the upper electrode 5, and the lower electrode 6, the upper electrode 5 and the lower electrode 6 are respectively pasted on the upper and lower surfaces of the rubber-based quantum tunnel effect composite material 4 by superglue, and then sprayed with a layer Sealant; the upper electrode 4 and the lower electrode 5 are connected to the wire 7 respectively.

[0032] Such as figure 2 As shown, the self-sensing rubber fender 1 is installed around the pier by means of suspension, cementation and anchoring. In this embodiment, taking the bonding method as an example, the self-sensing rubber fender 1 is pasted...

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PUM

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Abstract

The invention relates to a bridge pier-ship collision monitoring system, and belongs to the field of bridge monitoring and protection. The bridge pier-ship collision monitoring system comprises a plurality of self-sensing rubber fenders mounted on piers and a monitoring main box; and each self-sensing rubber fender is composed of rubber and a rubber-based collision sensor fixed thereto, wherein the body of the rubber-based collision sensor is an electrode assembly composed of an upper electrode, a lower electrode and a rubber-based quantum tunneling effect composite material therebetween. Thesystem analyzes the area where the sensor electrical signal is different from the normal value when accidents occur by partition arrangement of the self-sensing rubber fenders around the piers, can accurately locate the ship-bridge collision, judge the damage condition of the bridge pier, and provide convenience for the follow-up work of the accident. During the working, the self-sensing rubber fenders can buffer the energy of the bridge-ship collision and protect the structure of the piers. When not in operation, the system is in an open-circuit state, thereby having the advantage of energy saving.

Description

technical field [0001] The invention relates to a bridge pier ship collision monitoring system, which belongs to the field of bridge monitoring and protection. Background technique [0002] With the rapid development of my country's transportation and shipping, there are more and more long-span bridges and large-tonnage ships, and frequent collision accidents between bridge piers and ships pose a huge hidden danger to the social economy and the safety of people's lives and property. To solve this problem, we need to start from two aspects: one is to install protective devices around the piers, such as rubber fenders, artificial islands, piles, etc. Among them, rubber fenders are widely used because of their excellent buffering and energy dissipation effects on ship impacts, low cost, and easy construction and maintenance. However, these traditional pier protection devices cannot effectively locate and assess impacts. On the other hand, Structural Health Monitoring (SHM) is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L5/00
CPCG01L5/0052
Inventor 韩宝国郑乔锋欧进萍
Owner DALIAN UNIV OF TECH
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