使用新型机器学习方法预测渣水泥尾部填充的预测建模
Haotian Pang1, Wenyue Qi2,1, Hongqi Song1
1Hebei Province Engineering Research Center for Harmless Synergistic Treatment and Recycling of Municipal Solid Waste, Yanshan University, Qinhuangdao 066004, China.
Materials (Basel, Switzerland)
|March 27, 2025
概括
机器学习准确地预测了使用渣,苏打残留物 (SR) 和碳化渣 (CS) 的水泥尾矿回填 (CTB) 性能. 辐射基函数 (RBF) 模型在预测强度发展和优化混合设计方面表现出色.
科学领域:
- 地质技术工程 地质技术工程
- 材料科学 材料科学 材料科学
- 人工智能的人工智能
背景情况:
- 基于渣的水泥尾矿回填 (CTB) 对于矿山废物管理和地面支持至关重要.
- 优化CTB性能需要准确预测其机械性能.
- 苏打残留物 (SR) 和碳化渣 (CS) 是CTB的潜在激活剂,但它们的性能需要强大的建模.
研究的目的:
- 评估七种机器学习 (ML) 技术在预测基于渣的CTB性能方面的有效性.
- 开发一个动态增长模型来预测CTB实力发展.
- 确定用于CTB性能预测和材料设计的最准确的ML模型.
主要方法:
- 编制了一个实验数据库,包含240个CTB测试结果.
- 使用了七种ML技术:SVM,RF,BP,GABP,RBF,CNN和LSTM.
- 使用确定系数 (R2) 评估模型的准确性.
主要成果:
- RBF和SVM模型实现了最高的精度 (R2 ≈ 0.99).
- 该RBF模型准确地预测了达到特定优势的时间,超过了BP,SVM和CNN.
- 射频,GABP和LSTM模型显示,在接近2MPa的强度预测中,存在高估趋势.
结论:
- 机器学习技术,特别是RBF和SVM,对于预测CTB性能非常有效.
- RBF模型为动态强度预测和优化CTB混合设计提供了可靠的工具.
- 这项研究为矿山填充材料的可持续设计提供了有价值的数据驱动的见解.
相关概念视频
Alkali Aggregate Reaction in Concrete
77
The alkali-aggregate reaction in concrete involves natural siliceous minerals in aggregates reacting with alkaline hydroxides derived from cement alkalis. This reaction forms an alkali-silica gel that absorbs water, swells, and increases in volume, which is confined by the surrounding cement paste, creating internal pressures that crack and disrupt the concrete. The extent of expansion and damage can be partly attributed to the alkali-silica reaction's osmotic hydraulic pressure and the...
77
Design Example: Aggregate Gradation
81
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...
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...
81
Soundness of Cement
132
The soundness of cement refers to the ability of cement paste to retain its volume after setting. Unsound cement can lead to expansion and structural damage due to the presence of free lime, magnesia, and calcium sulfate. Free lime hydrates very slowly, expanding and causing unsoundness, which is difficult to detect because it intercrystallizes with other compounds. Magnesia also reacts with water, forming crystals that can disrupt the cement's structure. Calcium sulfate can create...
132
Slump Test
113
The slump test is a widely used method to measure the workability of concrete. It employs a 12-inch high truncated cone mold that tapers from eight inches at the base to four inches at the top. Before testing, the mold is securely attached to a flat base and dampened.
Concrete is poured into the mold in three layers to conduct the test. Each layer is compacted 25 times with a steel tamping rod, which has a five-eighths-inch diameter and a rounded end, to ensure even distribution and eliminate...
Concrete is poured into the mold in three layers to conduct the test. Each layer is compacted 25 times with a steel tamping rod, which has a five-eighths-inch diameter and a rounded end, to ensure even distribution and eliminate...
113
Design Example: Maintaining Level of an Embankment
47
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...
47
Pozzolans
92
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...
92


