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Related Concept Videos

Profile Leveling and Cross Sections01:26

Profile Leveling and Cross Sections

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Profile leveling and cross-sections are surveying methods used to determine and document terrain elevations for infrastructure projects such as highways, railroads, canals, and pipelines. These methods provide data for earthwork planning and alignment of proposed routes.  Profile leveling involves measuring elevations along a fixed line to create a vertical terrain profile. A surveyor sets up a leveling instrument at the benchmark (BM) and records a backsight (BS) to determine the...
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Design Example: Maintaining Level of an Embankment01:19

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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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Design Example: Aggregate Gradation01:24

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The right type and quality of aggregates are crucial for concrete as they significantly influence its properties, mix proportions, and cost-effectiveness. If different sources are available for sand, the commonly used fine aggregate in concrete, the selection of sand is primarily based on its gradation.
The grading, or particle-size distribution, of sand is determined using sieve analysis, with standard sizes ranging from 150 μm to 10 mm (ASTM No. 100 sieve to 3⁄8 in. sieve). Sand is...
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Leveling Equipment01:18

Leveling Equipment

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As leveling involves measuring vertical distances relative to a horizontal line of sight, it requires a graduated rod, called a level rod, for vertical measurements and an instrument called a level for a horizontal sight line. A level includes a high-powered telescope with a mechanism for leveling to ensure the line of sight is horizontal when the bubble in the spirit level is centered. Leveling rods, made of wood, metal, or fiberglass, are graduated in feet or meters and commonly used in two-...
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Introduction to Surveying, Plane Surveying and Geodetic Surveys01:27

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Surveying is the art and science of mapping the earth's surface. It involves measuring distances, angles in horizontal or vertical directions, and levels to understand the shape and size of land features. Surveying techniques are essential for various tasks, such as identifying the levels of a land area with reference to a specific point, and mapping undulations and water bodies.There are two main types of surveying: plane surveys and geodetic surveys. Plane surveys assume the earth is flat,...
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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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Structural Design and Manufacturing of a Cruiser Class Solar Vehicle
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A ship-construction dataset for resource leveling optimization in large project management problems.

Christos Kyriklidis1, Georgios Dounias2

  • 1Department of Chemical Engineering, University of Western Macedonia, Kila, GR-50100, Kozani, Greece.

Data in Brief
|July 14, 2023
PubMed
Summary
This summary is machine-generated.

This study introduces a large-scale dataset for resource leveling in ship construction, crucial for optimizing project timelines and resource allocation. The data enables testing advanced artificial intelligence methods for complex project management.

Keywords:
Critical path methodEvaluation of resource profilesOptimizationProject managementResource levelingShip construction

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Area of Science:

  • Project Management
  • Operations Research
  • Artificial Intelligence

Background:

  • Resource leveling is a complex optimization problem involving project timeline adjustments to meet resource demands.
  • Existing literature often features small-scale problems, limiting the evaluation of methods on real-world complexity.
  • Efficient resource management is critical for profitability in large construction projects.

Purpose of the Study:

  • To provide a unique, large-scale dataset for resource leveling benchmark experimentation.
  • To facilitate the testing and validation of advanced optimization algorithms on realistic project data.
  • To support research in artificial intelligence-driven project management solutions.

Main Methods:

  • The study presents a dataset derived from a real-world ship construction project.
  • The dataset comprises 1178 activities, offering a significant scale for testing.
  • The data has been previously utilized with intelligent techniques for evaluation.

Main Results:

  • The dataset represents a substantial real-world resource leveling problem.
  • It is suitable for testing the efficacy of various optimization and artificial intelligence techniques.
  • The data has been validated using different evaluation functions.

Conclusions:

  • The availability of this large-scale dataset addresses a gap in resource leveling research.
  • It offers a valuable benchmark for developing and comparing sophisticated project management optimization methods.
  • Researchers can leverage this data to advance artificial intelligence applications in construction project management.