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Differential leveling is a precise method in surveying used to determine the elevation difference between two points. Its primary goal is to establish accurate vertical measurements to create level surfaces or grade lines critical for designing and constructing infrastructures such as roads, bridges, and buildings.The procedure for differential leveling begins with setting up and leveling the instrument at a point where the benchmark can be seen. The level rod is held on the benchmark (BM), and...
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An Evaluation Framework for Construction Quality of Bridge Monitoring System Using the DHGF Method.

Jingzhou Xin1, Chen Wang1, Qizhi Tang1

  • 1School of Civil Engineering, Chongqing Jiaotong University, Chongqing 400074, China.

Sensors (Basel, Switzerland)
|August 26, 2023
PubMed
Summary
This summary is machine-generated.

A new framework using improved Delphi, Analytic Hierarchy Process, Grey Relations Analysis, and Fuzzy Integrated Evaluation (DHGF) effectively assesses bridge monitoring systems. This method provides a comprehensive evaluation of system status and operational performance.

Keywords:
DHGFbridge health monitoringcomprehensive evaluationmonitoring system evaluation

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Area of Science:

  • Civil Engineering
  • Structural Health Monitoring
  • Systems Engineering

Background:

  • Bridge monitoring systems are crucial for infrastructure safety.
  • Comprehensive evaluation frameworks are needed to assess system status.
  • Existing methods may lack a holistic approach to evaluating complex monitoring systems.

Purpose of the Study:

  • To develop and validate a novel evaluation framework for bridge monitoring systems.
  • To integrate multiple methodologies for a robust assessment.
  • To reflect the true construction and operational status of bridge monitoring systems.

Main Methods:

  • Improved Delphi method for index determination.
  • Analytic Hierarchy Process (AHP) for index weighting.
  • Grey Relations Analysis (GRA) for fuzzy evaluation matrix construction.
  • Fuzzy Comprehensive Evaluation (FCE) for final assessment.

Main Results:

  • The proposed DHGF framework was successfully applied to a real bridge monitoring system.
  • The evaluation identified the system's status as Level II.
  • The framework demonstrated superior ability in reflecting the system's construction and operation status.

Conclusions:

  • The DHGF framework offers a comprehensive and effective approach to evaluating bridge monitoring systems.
  • This methodology provides valuable insights into system performance and reliability.
  • The findings support the adoption of this integrated framework for infrastructure monitoring assessments.