Experimental research on salt contamination procedures and methods for assessment of the salt distribution

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378297%3A_____%2F21%3A00543179" target="_blank" >RIV/68378297:_____/21:00543179 - isvavai.cz</a>

Result on the web

<a href="https://doi.org/10.1016/j.conbuildmat.2021.123862" target="_blank" >https://doi.org/10.1016/j.conbuildmat.2021.123862</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.conbuildmat.2021.123862" target="_blank" >10.1016/j.conbuildmat.2021.123862</a>

Result language

angličtina

Original language name

Experimental research on salt contamination procedures and methods for assessment of the salt distribution

Original language description

The RILEM TC ASC-271 is developing a new laboratory test to assess the durability of porous building materials to salt crystallisation. The test encompasses two phases: salt accumulation and damage propagation. This paper focuses on designing a procedure for the accumulation phase - this is considered successful when salts crystallise at the material's evaporative surface (common situation observed on site) without the occurrence of damage. Two procedures were developed and tested on two limestones with different porosity: capillary absorption of a salt solution followed by drying, and continuous capillary absorption. Sodium chloride or sodium sulphate solutions were used. Several methods for assessing the salt distribution were employed: ultrasonic pulse velocity, drilling/scratching resistance, hygroscopic moisture content, ion chromatography, scanning electron microscopy, and micro X-ray fluorescence. The results enabled the selection of the most effective protocol for the salt accumulation phase.

Czech name

—

Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

—

OECD FORD branch

20501 - Materials engineering

Project

—

Continuities

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2021

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Construction and Building Materials

ISSN

0950-0618

e-ISSN

1879-0526

Volume of the periodical

298

Issue of the periodical within the volume

September

Country of publishing house

GB - UNITED KINGDOM

Number of pages

17

Pages from-to

123862

UT code for WoS article

000686030400009

EID of the result in the Scopus database

2-s2.0-85107731011