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The alignment of a road line using Geographic Information Systems (GIS) is a critical process in civil engineering, combining advanced technology with practical decision-making. This methodology begins with the collection of geospatial data, including information on land cover, geomorphology, drainage patterns, slope, and contour details. Such data is typically acquired through satellite imagery and GIS tools, offering a comprehensive understanding of the terrain.Once the data is gathered, it...
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Constructing a roadway embankment over uneven terrain requires precise leveling to ensure stability and proper drainage. Surveyors use a leveling instrument and staff to calculate ground elevations and determine the required fill material at each point along the embankment alignment.The process begins by positioning a leveling instrument near a benchmark with a known elevation. A backsight reading establishes the instrument height, which serves as a reference for subsequent measurements. A...
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Analyzing a supported beam under unsymmetrical loadings is essential in structural engineering to understand how beams respond to varied force distributions. This analysis involves calculating the deflection and identifying points where the slope of the beam is zero, which are crucial for ensuring structural stability and functionality.
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Numerical study on optimal geometric parameters of lining structures for roadway support using the artificial bee

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This study optimizes roadway lining structure geometry for stability and economy using numerical simulation and an artificial bee colony algorithm. Optimal parameters were determined, providing a basis for engineering practice.

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Area of Science:

  • Geotechnical Engineering
  • Computational Mechanics

Background:

  • Roadway support relies on lining structures, necessitating optimized geometric parameter determination.
  • Balancing roadway stability with economic considerations is crucial in engineering design.

Purpose of the Study:

  • To determine optimal geometric parameters for roadway lining structures.
  • To ensure both the stability and economy of roadway support systems.

Main Methods:

  • Numerical simulation using FLAC3D commercial software.
  • Optimization using the artificial bee colony algorithm.
  • Analysis of results based on varying lateral stress coefficients.

Main Results:

  • Optimal lining structure parameters identified: 0.17 m bearing arc thickness and 1.62 m reverse arch depth.
  • Increased lateral stress coefficients lead to thicker lining structures and flatter bottom profiles.
  • Numerical simulation results validated the proposed optimization method.

Conclusions:

  • The combined numerical simulation and artificial bee colony algorithm effectively determines optimal lining structure geometry.
  • The findings provide a validated numerical basis for practical engineering applications in roadway support.