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Updated: Jun 16, 2025

Evaluation of an Exclusive Spur Dike U-Turn Design with Radar-Collected Data and Simulation
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使用大规模几何特征进行网络级崩风险分析

Shi Qiu1, Hanzhang Ge2, Zheng Li2

  • 1School of Civil Engineering, Central South University, Changsha 410075, China; MOE Key Laboratory of Engineering Structures of Heavy-haul Railway, Changsha 410075, China; Intelligent Monitoring Research Center of Rail Transit Infrastructure, Changsha 410075, China.

Accident; analysis and prevention
|August 17, 2024
PubMed
概括

本研究引入了一种使用开源数据和先进机器学习识别道路事故风险的新方法. HHO-XGBoost模型有效地分析了道路几何形状,以改善交通安全预测.

关键词:
发生事故的风险.组合学习学习 组合学习几何特征 几何特征是指几何特征.在HHO-XGBoost中使用.开源数据是开源数据.

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GIS manipulation and analysis functions are vital for decision-making and planning. These activities range from data retrieval tasks, such as selecting information based on specific criteria, to advanced analytical techniques that address complex spatial problems.One critical GIS analysis method is overlaying, which combines multiple data layers to examine impacts. For example, overlaying a river-dammed lake boundary with road networks can identify affected infrastructure. Another common...
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Design Example: Alignment of a Road Line Using GIS01:17

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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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Applications of GIS: Disaster Management and Emergency Response01:29

Applications of GIS: Disaster Management and Emergency Response

Geographic Information System (GIS) technology is essential for risk identification, action prioritization, and resource optimization in critical situations like flooding and earthquakes. By integrating spatial and demographic data, GIS provides a comprehensive framework for emergency response.GIS integrates data layers, like rainfall intensity, topography, elevation profiles, and river levels, to model high-risk flood zones. These layers assess areas susceptible to flooding based on their...
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Levels of Use of a GIS01:29

Levels of Use of a GIS

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Design Example: Analyzing Capacity Contours for Flood Risk Assessment

Flood risk assessment involves careful planning and analysis to ensure the safety of communities near water retention structures. Capacity contours are a vital tool in this process, as they illustrate the potential spread of water at specific levels in a given area. In the context of building a bund across a small valley, these contours play a critical role in evaluating the safety of nearby residential areas.In this example, the bund is intended to store stormwater in the valley. The engineers...
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