Standards and Assessment of Construction Products: Case Study of Ceramic Tile Adhesives

Standards Pub Date : 2022-05-07 DOI:10.3390/standards2020013
J. Michalak
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引用次数: 5

Abstract

This work attempts to draw attention to the importance of a multidimensional approach when creating standard requirements in the assessment of construction products with the example of ceramic tile adhesives (CTAs). CTAs are an essential group of building materials today, the continuous development of which has been noted since the 1960s. However, until 2001, i.e., the year when EN 12004 was published, there were no precise requirements for CTAs at the European level, which often made it difficult or, in extreme cases, even impossible to assess the product objectively. Under the provisions of EN 12004, for twenty years, the basis for the assessment and verification of constancy of performance (AVCP) of CTAs has been adhesion determined by tensile strength. The paper discusses the test methods, paying attention to their imperfections, including the impact of the materials used in measurements, i.e., concrete slab, ceramic tile, and water quality. The results of the multi-annual interlaboratory tests indicate that an essential factor that must be considered in the process of AVCP is test measurement uncertainty. Additionally, it should be remembered that uncertainty also occurs at other assessment levels. It also seems that the simple acceptance rule that does not consider the variability resulting from the measurement uncertainty is inadequate when assessing CTAs.
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建筑产品标准与评价:以瓷砖胶粘剂为例
这项工作试图以瓷砖粘合剂(cta)为例,在建筑产品评估中创建标准要求时,引起人们对多维方法重要性的关注。cta是当今一种重要的建筑材料,自20世纪60年代以来一直在不断发展。然而,直到2001年,即EN 12004发布的那一年,在欧洲层面上没有对cta的精确要求,这往往使得很难或在极端情况下,甚至不可能客观评估产品。根据EN 12004的规定,二十年来,cta的性能稳定性(AVCP)的评估和验证的基础是由拉伸强度决定的附着力。本文讨论了测试方法,并注意了它们的缺陷,包括测量所用材料的影响,即混凝土板,瓷砖和水质。多年实验室间试验结果表明,在AVCP过程中必须考虑的一个重要因素是试验测量不确定度。此外,应该记住,不确定性也发生在其他评估级别。在评估cta时,不考虑由测量不确定度引起的可变性的简单接受规则似乎也不充分。
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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