4.6 Article

Research on efflorescence detection and inhibition methods of cement-based decorative mortar

期刊

MATERIALS AND STRUCTURES
卷 54, 期 4, 页码 -

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SPRINGER
DOI: 10.1617/s11527-021-01742-6

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Decorative mortar; Efflorescence; Detection method; Diatomite

资金

  1. BXSS The Key Technology Development and Demonstration Application of The Construction Body System [2018AB028]

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This paper presents a scientifically accurate method for detecting efflorescence on cement-based decorative mortars after conducting five different efflorescent detection tests, focusing on the influence of diatomite on preventing efflorescence. It was found that an appropriate amount of diatomite could effectively inhibit the efflorescence of decorative mortars. Thermogravimetric and nitrogen adsorption methods were used to explain the mechanism of restraining efflorescence.
A scientifically accurate detection method of efflorescence on cement-based decorative mortars is presented in this paper after five different efflorescent detection tests. According to this method, the influence of different content of diatomite on prevention of efflorescence on decorative mortars was mainly investigated. Water absorption and basic mechanical properties of the decorative mortars with addition of diatomite were also explored. Subsequently, thermogravimetric and nitrogen adsorption method were applied to explain the mechanism of restraining efflorescence. It was found that appropriate amount of diatomite could effectively inhibit the efflorescence of decorative mortars.

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