Development and experimental validation of smartphone-based tools to assess mechanical tension forces in guy wires of transmission towers

基于智能手机的工具的开发和实验验证,用于评估输电塔拉线的机械张力

基本信息

  • 批准号:
    507631-2016
  • 负责人:
  • 金额:
    $ 5.04万
  • 依托单位:
  • 依托单位国家:
    加拿大
  • 项目类别:
    Collaborative Research and Development Grants
  • 财政年份:
    2018
  • 资助国家:
    加拿大
  • 起止时间:
    2018-01-01 至 2019-12-31
  • 项目状态:
    已结题

项目摘要

Steel overhead towers are among the critical components of Hydro-Québec's extensive power transmission network. The tension within guy wires supporting power transmission steel lattice towers has to be regularly verified to ensure safe operation and adequate structural performance. The main objective of this research project is to develop and experimentally validate a quick, reliable and rigorous technique to measure the tension within guy wires using smartphones. Most promising available procedures for assessing tension forces within cables will be identified and applied to actual case studies of guyed lattice towers. Finite element models of guyed lattice towers will be built and used to perform dynamic analyses to evaluate the influence of most critical parameters contributing to wire tension force. Two types of smartphones will be selected depending on the operating systems (OS) and the programming environment. They will be used to implement analytical formulations for estimation of tension force in vibrating guy wires based on measured acceleration data. The tension force within guy wires tested in the laboratory will be assessed. The smartphone will be attached to the guy wire using a fastener designed specifically for this purpose. The acceleration time histories recorded by tri-axial accelerometers and smartphone during free vibration of the guy wires will be compared to assess the accuracy and potential limitations of the smartphone built-in accelerometers. The smartphone applications developed will be used to extract frequency data and predict actuator-controlled tension forces within the tested guy wires. The tension force in the guy wires of selected guyed towers will be assessed in-situ using the programmed smartphones and validated against load cell measures. User interfaces that enhance effective and quick operation of the developed smartphone applications will be programmed and tailored to the needs of end users. The proposed vibration-based technique will be implemented into Hydro-Québec's asset management programs. A user manual describing the smartphone application developed and a step-by-step illustration of its correct and effective use for different categories of guy wires will be provided.
钢架空塔是水电曲海公司广泛的输电网络的关键组成部分之一。为保证输电钢格塔的安全运行和良好的结构性能,需要定期对支撑输电钢格塔的拉线进行张力校核。本研究项目的主要目的是开发并实验验证一种快速,可靠和严格的技术,以测量在智能手机内的张力。评估索内张力的最有希望的可用程序将被确定并应用于格构塔的实际案例研究。将建立格构塔的有限元模型,并用于进行动态分析,以评估对索张力的最关键参数的影响。根据操作系统(OS)和编程环境,将选择两种智能手机。它们将用于实现基于测量加速度数据的振动拉索张力估计的解析公式。在实验室测试的拉索拉力将被评估。智能手机将使用专门为此目的设计的紧固件连接到电缆上。将三轴加速度计和智能手机记录的加速度时程进行比较,以评估智能手机内置加速度计的准确性和潜在局限性。开发的智能手机应用程序将用于提取频率数据,并预测受测导线内执行器控制的张力。将使用编程智能手机对选定的杆塔的拉索张力进行现场评估,并根据称重传感器测量结果进行验证。用户界面将根据最终用户的需求进行编程和定制,以增强开发的智能手机应用程序的有效和快速操作。提出的基于振动的技术将应用于hydro - qusamube的资产管理程序中。用户手册描述的智能手机应用程序开发和一步一步的说明其正确和有效地使用不同类别的电线将提供。

项目成果

期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)

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Bouaanani, Najib其他文献

Three-dimensional failure envelope of concrete dam shear keys
  • DOI:
    10.1016/j.engstruct.2022.114766
  • 发表时间:
    2022-08-19
  • 期刊:
  • 影响因子:
    5.5
  • 作者:
    Freitas, Mario;Ben Ftima, Mahdi;Bouaanani, Najib
  • 通讯作者:
    Bouaanani, Najib
Numerical simulation of the thermomechanical behavior of cement sheath in wells subjected to steam injection
  • DOI:
    10.1016/j.petrol.2018.04.023
  • 发表时间:
    2018-08-01
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Medeiros de Souza, Wendell Rossine;Bouaanani, Najib;Bezerra, Ulisses Targino
  • 通讯作者:
    Bezerra, Ulisses Targino

Bouaanani, Najib的其他文献

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{{ truncateString('Bouaanani, Najib', 18)}}的其他基金

Novel experimental and numerical techniques for efficient earthquake safety assessment of critical dam infrastructure
用于对关键大坝基础设施进行有效地震安全评估的新颖实验和数值技术
  • 批准号:
    RGPIN-2017-06891
  • 财政年份:
    2022
  • 资助金额:
    $ 5.04万
  • 项目类别:
    Discovery Grants Program - Individual
Numerical Modeling and Experimental Simulation in Earthquake Engineering
地震工程数值模拟与实验模拟
  • 批准号:
    CRC-2017-00238
  • 财政年份:
    2022
  • 资助金额:
    $ 5.04万
  • 项目类别:
    Canada Research Chairs
Numerical Modeling And Experimental Simulation In Earthquake Engineering
地震工程数值模拟与实验模拟
  • 批准号:
    CRC-2017-00238
  • 财政年份:
    2021
  • 资助金额:
    $ 5.04万
  • 项目类别:
    Canada Research Chairs
Novel experimental and numerical techniques for efficient earthquake safety assessment of critical dam infrastructure
用于对关键大坝基础设施进行有效地震安全评估的新颖实验和数值技术
  • 批准号:
    RGPIN-2017-06891
  • 财政年份:
    2021
  • 资助金额:
    $ 5.04万
  • 项目类别:
    Discovery Grants Program - Individual
Numerical Modeling and Experimental Simulation in Earthquake Engineering
地震工程数值模拟与实验模拟
  • 批准号:
    CRC-2017-00238
  • 财政年份:
    2020
  • 资助金额:
    $ 5.04万
  • 项目类别:
    Canada Research Chairs
Novel experimental and numerical techniques for efficient earthquake safety assessment of critical dam infrastructure
用于对关键大坝基础设施进行有效地震安全评估的新颖实验和数值技术
  • 批准号:
    RGPIN-2017-06891
  • 财政年份:
    2020
  • 资助金额:
    $ 5.04万
  • 项目类别:
    Discovery Grants Program - Individual
Novel numerical simulation tools for the vulnerability assessment and rehabilitation of critical structures against the effects of floods and climate change
用于针对洪水和气候变化影响的关键结构进行脆弱性评估和修复的新型数值模拟工具
  • 批准号:
    560906-2020
  • 财政年份:
    2020
  • 资助金额:
    $ 5.04万
  • 项目类别:
    Alliance Grants
Numerical Modeling and Experimental Simulation in Earthquake Engineering
地震工程数值模拟与实验模拟
  • 批准号:
    CRC-2017-00238
  • 财政年份:
    2019
  • 资助金额:
    $ 5.04万
  • 项目类别:
    Canada Research Chairs
Novel experimental and numerical techniques for efficient earthquake safety assessment of critical dam infrastructure
用于对关键大坝基础设施进行有效地震安全评估的新颖实验和数值技术
  • 批准号:
    RGPIN-2017-06891
  • 财政年份:
    2019
  • 资助金额:
    $ 5.04万
  • 项目类别:
    Discovery Grants Program - Individual
Numerical Modeling and Experimental Simulation in Earthquake Engineering
地震工程数值模拟与实验模拟
  • 批准号:
    CRC-2017-00238
  • 财政年份:
    2018
  • 资助金额:
    $ 5.04万
  • 项目类别:
    Canada Research Chairs

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