在沿海环境中使用基于机器学习的预测模型进行腐蚀风险评估.
Marta Terrados-Cristos1, Marina Diaz-Piloneta1, Francisco Ortega-Fernández1
1Project Engineering Department, University of Oviedo, 33004 Oviedo, Spain.
Sensors (Basel, Switzerland)
|July 12, 2025
概括
预测沿海地区的大气腐蚀对于基础设施的耐用性至关重要. 机器学习模型使用环境数据准确估计化物沉积量,有助于早期腐蚀评估.
科学领域:
- 环境科学 环境科学
- 材料科学 材料科学 材料科学
- 土木工程 土木工程是指土木工程.
背景情况:
- 大气腐蚀是由海洋气溶中的化物沉积引起的,对沿海基础设施的耐用性产生重大影响.
- 现有的腐蚀评估标准依赖于长期数据,阻碍了早期设计评估.
- 越来越多的沿海人口和工业活动需要先进的腐蚀预测方法.
研究的目的:
- 开发和评估用于预测化物沉积水平的机器学习模型.
- 确定影响大气化物沉积的关键气候和地理参数.
- 为沿海基础设施提供早期腐蚀风险评估工具.
主要方法:
- 利用机器学习算法:梯度提升,支持矢量机器和神经网络.
- 在一个包含土地覆盖面,风速和方向的数据集上训练模型.
- 通过使用F1得分等指标评估模型性能.
主要成果:
- 梯度提升是一种基于树的算法,实现了最高的预测准确性 (F1得分:0.8673).
- 确定了影响化物沉积的有影响力的环境变量.
- 证明了机器学习在估计化物沉积中的有效性.
结论:
- 机器学习模型为沿海基础设施提供精确有效的化物沉积预测.
- 开发的方法支持腐蚀监测和结构寿命评估.
- 这种方法为管理腐蚀风险提供了可扩展和具有成本效益的解决方案.
相关概念视频
Design Example: Analyzing Capacity Contours for Flood Risk Assessment
105
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...
105
Corrosion of Reinforcement
255
The corrosion of steel reinforcement within concrete is a process influenced by the material's inherent properties and external factors. The high pH level of around 13, provided by calcium hydroxide present in concrete, initially protects the steel reinforcement by promoting the formation of a passive iron oxide layer on its surface.
However, over time and under certain conditions like carbonation, chloride ingress, and cracking this protective state can be compromised. Steel has areas with...
However, over time and under certain conditions like carbonation, chloride ingress, and cracking this protective state can be compromised. Steel has areas with...
255
Corrosion
25.6K
The degradation of metals due to natural electrochemical processes is known as corrosion. Rust formation on iron, tarnishing of silver, and the blue-green patina that develops on copper are examples of corrosion. Corrosion involves the oxidation of metals. Sometimes it is protective, such as the oxidation of copper or aluminum, wherein a protective layer of metal oxide or its derivatives forms on the surface, protecting the underlying metal from further oxidation. In other cases, corrosion is...
25.6K
Steps in Outbreak Investigation
209
In the ever-evolving field of public health, statistical analysis serves as a cornerstone for understanding and managing disease outbreaks. By leveraging various statistical tools, health professionals can predict potential outbreaks, analyze ongoing situations, and devise effective responses to mitigate impact. For that to happen, there are a few possible stages of the analysis:
209
Mechanistic Models: Compartment Models in Individual and Population Analysis
87
Mechanistic models are utilized in individual analysis using single-source data, but imperfections arise due to data collection errors, preventing perfect prediction of observed data. The mathematical equation involves known values (Xi), observed concentrations (Ci), measurement errors (εi), model parameters (ϕj), and the related function (ƒi) for i number of values. Different least-squares metrics quantify differences between predicted and observed values. The ordinary least...
87
Response Surface Methodology
269
Response Surface Methodology (RSM) is a collection of statistical and mathematical techniques used to develop, improve, and optimize processes. It is particularly valuable when many input variables or factors potentially influence a response variable.
The process of RSM involves several key steps:
The process of RSM involves several key steps:
269


