在极端环境条件下,基于飞灰的地质聚合物高性能混凝土的耐用性和使用寿命预测
1Department of Civil Engineering, Priyadarshini College of Engineering, Nagpur, Maharashtra, 440019, India. vikrant.vairagade@pcenagpur.edu.in.
Scientific reports
|December 4, 2025
概括
本研究介绍了一种使用先进人工智能模型的综合框架,用于在极端条件下预测地质聚合物高性能混凝土 (HPC) 的耐用性和使用寿命. 该框架提高了准确性,并减少了对更好的结构材料工程的数据需求.
科学领域:
- 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.
- 人工智能的人工智能
背景情况:
- 在极端环境下,基于飞灰的高性能地聚合物混凝土 (HPC) 的耐用性对结构完整性至关重要.
- 现有的评估方法在复杂的降解机制和预测剩余使用寿命方面扎.
研究的目的:
- 开发一个集成的人工智能驱动的框架,用于预测地质聚合物HPC的耐用性和使用寿命.
- 模拟多重降解机制 (冷解,硫酸盐,热) 并优化混合设计.
- 为基于风险的决策提供准确,可解释和可扩展的耐用性预测.
主要方法:
- 基于变压器的物理信息神经网络 (TPINN) 用于降解建模.
- 空间时间图神经网络 (ST-GNN) 用于裂传播分析.
- 深度强化学习 (DRL) 用于混合优化和高图自主监督学习 (HSSL) 用于热变形.
- 不确定性量化扩散概率模型 (DPM-UQ) 用于服务寿命预测.
主要成果:
- 综合框架显著提高了地质聚合物HPC耐久性的预测准确性和可解释性.
- 它通过像HSSL这样的技术减少了对广泛标记数据的需求.
- 该DPM-UQ提供随机服务寿命预测与量化的故障风险.
结论:
- 开发的框架为预测地质聚合物HPC在极端环境中的耐用性提供了可信和可扩展的解决方案.
- 它有助于延长关键基础设施的使用寿命和维护计划.
- 这种方法通过将物理知情人工智能与深度学习相结合,推进结构材料工程.
相关概念视频
01:21Pozzolans
453
Pozzolans are siliceous or aluminous materials blended with Portland cement. They interact with the calcium hydroxide produced during the hydration of Portland cement and contribute to improved strength and durability of concrete. The pozzolanic activity, a measure of a pozzolan's effectiveness, is typically assessed using the strength activity index, as defined in ASTM C 618-93, which calculates the ratio of the compressive strength of cement mixtures with and without pozzolan.
Fly ash is...
Fly ash is...
453
01:23Abrasion Resistance of Concrete
481
Abrasion resistance is an essential characteristic of concrete that determines its durability and longevity under various wear conditions. Concrete surfaces are vulnerable to different types of abrasion. For instance, surfaces may wear down due to the constant movement of vehicles or be eroded by solids carried in water, as seen in concrete canal linings. Specific tests are conducted to measure the abrasion resistance of concrete.
One such test is the revolving disc test, where three plates...
One such test is the revolving disc test, where three plates...
481
01:29Frost Resistant Concrete
354
Concrete's susceptibility to frost damage during freeze-thaw cycles demands strategic measures to enhance its frost resistance. Employing techniques like air entrainment, adjusting the water-cement ratio, proper curing, and selecting appropriate aggregates are essential.
Introducing microscopic air bubbles into the concrete mix through air entrainment creates small voids that accommodate ice expansion, thereby reducing internal pressures and preventing cracking. The optimal amount of...
Introducing microscopic air bubbles into the concrete mix through air entrainment creates small voids that accommodate ice expansion, thereby reducing internal pressures and preventing cracking. The optimal amount of...
354
01:22Fatigue Strength of Concrete
515
Fatigue, in the context of materials science and engineering, refers to the weakening or failure of a material caused by repeatedly applied loads, even if these loads are below the strength limit of the material. Fatigue strength in concrete is a critical property that influences its durability and longevity. Concrete can fail in two ways due to fatigue. Static fatigue or creep rupture occurs under a constant load or one that increases slowly. The other failure mode is due to cyclical or...
515
01:28Effects of Air-entrainment in Concrete
356
Air entrainment in concrete significantly enhances the material's durability, especially in environments subjected to freeze-thaw cycles. Introducing small air bubbles into the concrete mix acts as internal voids that accommodate the expansion of water when it freezes, thereby alleviating internal stress and preventing structural cracks. This function is crucial in climates with significant freezing and thawing, as it protects the concrete from repeated stresses that could lead to premature...
356
01:22Fiber Reinforced Concrete
312
Fiber-reinforced concrete significantly enhances the structural and nonstructural properties of traditional concrete by incorporating fibers like steel, glass, and polymers. These fibers, varying from natural ones such as sisal and cellulose to manufactured ones like polypropylene and Kevlar, are mixed into hydraulic cement with aggregates. Steel fibers, often preferred for their robustness, contribute to improved ductility, toughness, and post-cracking performance. The concrete is classified...
312