1. 中国计量大学, 信息工程学院, 浙江杭州 310018
2. 中才邦业(杭州)智能技术有限公司, 浙江杭州 310000
| 摘 要: | 混凝土抗压强度是影响建筑质量的主要因素之一,也是混凝土设计的关键参数,对其进行预测具有必要性。然而,早期采用经验公式预测混凝土抗压强度大多数是针对特定的混凝土,无法普遍推广,而其他预测方法例如:物理检测法、有限元分析法等步骤繁琐,适用条件苛刻也无法形成普适性的预测模型。近年来,基于机器学习的混凝土抗压强度预测模型成为国内外研究热点。本文首先通过比较各种机器学习方法,包括回归模型、支持向量回归机模型、树模型、神经网络和集成学习等在混凝土抗压强度方面的应用,得出支持向量回归机模型与集成学习在抗压强度的预测上具有更高的有效性。最后,文章讨论了目前所广泛采用的混凝土抗压强度预测方法的不足之处,并给出了基于机器学习的混凝土抗压强度预测模型未来的研究方向。 |
| 关 键 词: | 混凝土抗压强度; 机器学习; 集成学习; 过拟合 |
| DOI: | 10.57237/j.se.2023.05.003 |
1. School of Information Engineering, China Jiliang University, Hangzhou 310018, China
2. SINOMA Bonyear (Hangzhou) Intelligent Technology Co. Ltd., Hangzhou 310000, China
| Abstract: | The compressive strength of concrete is one of the main factors affecting the quality of construction, and it is also a key parameter for concrete design, so it is necessary to predict it. However, most of the early empirical formulas for predicting the compressive strength of concrete are for specific concretes, which can not be universally promoted, while other prediction methods such as physical testing method, finite element analysis method, etc. are cumbersome in terms of steps, and can not be formed into a generalized prediction model under the harsh conditions of applicability. In recent years, the concrete compressive strength prediction model based on machine learning has become a hot research topic at home and abroad. In this paper, firstly, by comparing the application of various machine learning methods, including regression model, support vector regression machine model, tree model, neural network and integrated learning in concrete compressive strength, it is concluded that the support vector regression machine model and integrated learning have higher effectiveness in the prediction of compressive strength. Finally, the article discusses the shortcomings of the widely used concrete compressive strength prediction methods and gives the future research direction of machine learning based concrete compressive strength prediction model. |
| Keywords: | Concrete Compressive Strength; Machine Learning; Ensemble Learning; Overfitting |
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