使用GGBS,蛋粉和废玻璃粉来优化混凝土的压力和拉伸强度,这种优化是基于机器学习的
Adham Mohammed Alnadish1,2, Muhammad Hamza3, Saif Ali3
1Department of Civil Engineering, Thamar university, Dhamar, Yemen. adhmalnadish@gmail.com.
Scientific reports
|November 18, 2025
概括
这项研究优化了使用地面颗粒高炉渣 (GGBS),废玻璃粉 (WGP) 和蛋粉 (ESP) 的可持续混凝土. 机器学习指导了混合设计,从而提高了适用于一般结构应用的压力和拉伸强度.
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.
- 可持续建筑 可持续建筑
背景情况:
- 混凝土生产对环境产生重大影响.
- 利用像GGBS,WGP和ESP这样的工业副产品可以增强混凝土的性能并促进可持续性.
- 用废物优化混凝土混合设计对于开发环保建筑解决方案至关重要.
研究的目的:
- 调查GGBS,WGP和ESP的联合使用,作为混凝土中可持续的部分替代品.
- 使用机器学习 (ML) 模型优化混凝土混合比例,以提高强度和可持续性.
- 评估ML模型在预测混凝土性能方面的性能.
主要方法:
- 实验性调查混凝土混合物,其中包括GGBS,WGP和ESP.
- 使用机器学习算法优化混合设计,包括渐变增强.
- 验证ML模型预测与实验结果对压力和拉伸强度的验证.
主要成果:
- 使用20%的GGBS,4%的ESP和10%的WGP的优化混合物实现了24.7MPa的压力强度和2.77MPa的分裂拉力强度.
- 优化的混合物在压力 (20.4 MPa) 和拉力 (2.33 MPa) 强度上都超过了对照混合物.
- 梯度提升ML模型在预测混凝土强度方面表现出高精度 (R2>0.90),验证了其可靠性.
结论:
- 结合GGBS,WGP和ESP的可持续混凝土可以达到适合一般结构应用的强度 (超过20.7MPa IBC要求).
- 机器学习为优化可持续混凝土混合设计提供了可靠的框架.
- 建议进行进一步的研究,包括微结构分析和耐久性测试.
相关概念视频
Behavior of Concrete Under Compressive Load
562
Concrete exhibits specific behaviors under different compressive loads. Understanding this is crucial for understanding its structural integrity. When concrete undergoes uniaxial compression, it tends to develop cracks that run parallel to the direction of the force. These parallel cracks stem from localized tensile stresses that occur perpendicular to the compression direction. Additionally, angled cracks may appear due to the formation of shear planes.
As the concrete specimen fractures under...
As the concrete specimen fractures under...
562
Relation Between Tensile Strength and Compressive Strength of Concrete
627
Concrete is a fundamental building material, and understanding its strengths is crucial for construction projects. The relationship between its tensile and compressive strengths is intricate, showing that while these strengths are related, they do not increase at the same rate. Tensile strength's growth is slower and is affected by various factors such as the methods used for testing, the size and shape of the specimen, the texture of the aggregate used, and the moisture content of the...
627
Tensile Strength Considerations of Concrete
484
Considering the tensile strength of concrete involves recognizing that the theoretical strength of cement paste can be up to a thousand times higher than what is observed in practical applications. This significant discrepancy is largely attributed to the presence of microscopic cracks within the concrete. These cracks tend to amplify stress at their tips when a load is applied, a phenomenon explained by Griffith's theory of brittle fracture.
The dimensions and shape of a concrete specimen...
The dimensions and shape of a concrete specimen...
484
Impact Strength of Concrete
570
Impact strength in concrete is a critical measure that reflects the material's capability to endure the forces applied during pile driving and when supporting machinery foundations that experience impulsive loads. It is also essential when handling precast concrete components to prevent accidental damage. The impact strength is assessed by observing the concrete's resistance to repeated impacts and energy absorption capacity. A key indicator of significant damage to concrete is when it...
570
Abrasion Resistance of Concrete
488
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...
488
Fatigue Strength of Concrete
519
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...
519


