Study on freeze–thaw damage model of wastewater concrete based on Weibull distribution

IF 4.4 3区工程技术 Q1 ENGINEERING, CIVIL

Archives of Civil and Mechanical Engineering Pub Date : 2025-05-13 DOI:10.1007/s43452-025-01220-8

Xianhua Yao, Linyan Han, Junfeng Guan, Yuanchun Li, Jiangfeng Meng, Linjian Shangguan, Lielie Li

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引用次数: 0

Abstract

The freeze–thaw damage in wastewater concrete cube specimen (WCCS) of different sizes (side lengths of 40 mm, 100 mm, 150 mm, and 200 mm) at different numbers of freeze–thaw cycles (FTCs) (0, 10, 20, 30, 40 and 50 cycles) was investigated. The attenuation laws of mass and relative dynamic modulus of elasticity (RDME) of concrete specimens were analyzed. Using RDME as the damage variable, a freeze–thaw damage model (FTDM) of wastewater concrete based on Weibull distribution was established. The specific function form of two-parameter Weibull distribution of wastewater concrete considering the influence of size change and FTCs is proposed. The damage degree of concrete specimens under these combined influences (FTCs and specimen size) is accurately described, with a relative error between experimental and calculated values being below 26%, providing a theoretical reference for understanding the damage evolution of wastewater concrete in cold areas.

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基于威布尔分布的污水混凝土冻融损伤模型研究

研究了不同尺寸（边长分别为40 mm、100 mm、150 mm和200 mm）的废水混凝土立方体试件在不同冻融循环次数（0、10、20、30、40和50次）下的冻融损伤。分析了混凝土试件质量和相对动弹性模量的衰减规律。以RDME为损伤变量，建立了基于威布尔分布的污水混凝土冻融损伤模型。提出了考虑粒径变化和FTCs影响的废水混凝土双参数威布尔分布的具体函数形式。准确描述了这些综合影响（FTCs和试件尺寸）下混凝土试件的损伤程度，实验值与计算值的相对误差在26%以下，为了解寒区污水混凝土的损伤演化提供了理论参考。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Archives of Civil and Mechanical Engineering 工程技术-材料科学：综合

CiteScore

6.80

自引率

9.10%

发文量

201

审稿时长

4 months

期刊介绍： Archives of Civil and Mechanical Engineering (ACME) publishes both theoretical and experimental original research articles which explore or exploit new ideas and techniques in three main areas: structural engineering, mechanics of materials and materials science. The aim of the journal is to advance science related to structural engineering focusing on structures, machines and mechanical systems. The journal also promotes advancement in the area of mechanics of materials, by publishing most recent findings in elasticity, plasticity, rheology, fatigue and fracture mechanics. The third area the journal is concentrating on is materials science, with emphasis on metals, composites, etc., their structures and properties as well as methods of evaluation. In addition to research papers, the Editorial Board welcomes state-of-the-art reviews on specialized topics. All such articles have to be sent to the Editor-in-Chief before submission for pre-submission review process. Only articles approved by the Editor-in-Chief in pre-submission process can be submitted to the journal for further processing. Approval in pre-submission stage doesn''t guarantee acceptance for publication as all papers are subject to a regular referee procedure.