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混凝土泛碱成因及其预防和治理方法

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在工程建设中,混凝土泛碱问题常常让施工方和业主感到困扰.混凝土中的碱性可溶物质会随水分迁移到混凝土表面,水分蒸发后,在混凝土表面生成一种绒毛状、白色松软物质,业内称之为"白霜".虽然混凝土泛碱一般情况下并不会对混凝土结构产生质量事故,但其存在无疑会对混凝土外观质量产生深远影响;对混凝土的结构美观、质量等级的评定等有着比较严重的影响.
Causes and Prevention and Treatment Methods of Concrete Alkali Bleeding
In engineering construction,the problem of concrete alkali bleeding often troubles construction parties and owners.Alkaline soluble substances in concrete will migrate to the surface of the concrete with water,and after the water evaporates,a fluffy,white,and soft substance is generated on the surface of the concrete,known as"white frost"in the industry.Although concrete alkali leaching generally does not cause quality accidents to concrete structures,its existence undoubtedly has a profound impact on the appearance quality of concrete.It has a significant impact on the aesthetic appearance and quality rating of concrete structures.

concrete alkali leachingcause analysispreventiongovernance method

康彬生、侯琪、杨华东

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中国水利水电第十四工程局有限公司,云南 昆明 650041

混凝土泛碱 成因分析 预防 治理方法

2024

云南水力发电
云南水力发电工程学会

云南水力发电

影响因子:0.213
ISSN:1006-3951
年,卷(期):2024.40(12)