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Salt crystallization damage: how realistic are existing ageing tests

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Author: Lubelli, B.A. · Hees, R.P.J. van · Nijland, T.G.
Type:bookPart
Date:2014
Source:Book of Abstracts of the 1st Ageing of Materials and Structures 2014,, 59-60
Identifier: 517623
Keywords: Architecture · Buildings and Infrastructure · Built Environment · Building Engineering & Civil Engineering · SR - Structural Reliability · TS - Technical Sciences

Abstract

Salt crystallization is a major cause of damage in porous building materials (figure l). Notwithstanding the extensive research in this held, the complexity of the problem has hindered the use of mathematical models for forecasting ageing due to salt crystallization. Nowadays, the resistance of materials to salt crystallization is determined by accelerated ageing tests, carried out in laboratory following different test procedures. This paper repofts a critical overview of existing procedures, evaluated in the light ofyears oflaboratory experiments, and suggests directions for further research