通过模糊逻辑和贝叶斯网络评估自密实混凝土耐久性

IF 1.7 4区 工程技术 Q3 ENGINEERING, CIVIL
Khalil Abdi, Yacine Sahraoui, Nabil Kebaili, Mourad Nahal, Mohamed Djouhri
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引用次数: 0

摘要

本文介绍了一种使用模糊逻辑和贝叶斯网络(BN)方法评估阿尔及利亚自密实混凝土(SCC)耐久性的混合方法。该方法包括三个主要步骤:根据专家意见构建数据库,学习贝叶斯网络(BN)结构,使用贝叶斯网络进行耐久性评估。该研究重点关注 86 个基本事件的不确定性影响,采用概率推理技术结合模糊集理论来预测 SCC 的耐久性。研究对关键事件对 SCC 耐久性的影响进行了分类和评估,并对沿海地区和沙漠地区进行了比较分析。结果表明,SCC 的耐久性高达 84.73%,突出了材料缺陷、不良设计、腐蚀、不良施工现场、外力和裂缝的影响。这些见解有助于决策者改进 SCC 结构。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Self-Compacting Concrete Durability Assessment via Fuzzy-Logic and Bayesian Networks

Self-Compacting Concrete Durability Assessment via Fuzzy-Logic and Bayesian Networks

This paper presents a hybrid approach for assessing the durability of self-compacting concrete (SCC) in Algeria using Fuzzy-logic and Bayesian network (BN) methods. The methodology comprises three principal steps: Constructing a database based on expert opinions, learning the Bayesian Network (BN) structure, and using the BN for durability assessment. Focusing on the influence of uncertainties for eighty-six (86) basic events, probabilistic inference techniques combined with fuzzy set theories are used to predict SCC durability. The study classifies and evaluates the impact of critical events on SCC durability, conducting a comparative analysis between coastal and desert regions. Results indicate a significant SCC durability rate of 84.73%, highlighting influences from material defects, bad design, corrosion, poor construction sites, external forces, and cracks. These insights aid decision-makers in improving SCC structures.

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来源期刊
CiteScore
3.30
自引率
11.80%
发文量
203
期刊介绍: The aim of the Iranian Journal of Science and Technology is to foster the growth of scientific research among Iranian engineers and scientists and to provide a medium by means of which the fruits of these researches may be brought to the attention of the world’s civil Engineering communities. This transaction focuses on all aspects of Civil Engineering and will accept the original research contributions (previously unpublished) from all areas of established engineering disciplines. The papers may be theoretical, experimental or both. The journal publishes original papers within the broad field of civil engineering which include, but are not limited to, the following: -Structural engineering- Earthquake engineering- Concrete engineering- Construction management- Steel structures- Engineering mechanics- Water resources engineering- Hydraulic engineering- Hydraulic structures- Environmental engineering- Soil mechanics- Foundation engineering- Geotechnical engineering- Transportation engineering- Surveying and geomatics.
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