Water uptake experiments of historic construction materials from Venice by neutron imaging and PGAI methods

Zoltán Kis, Francesca Sciarretta, L. Szentmiklósi

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

We aimed at establishing a multidisciplinary procedure to characterize porous historic construction materials, whose properties (physical and mechanical, as well as chemical composition) can be affected by the presence and action of water content and salt ions. The whole procedure’s objective is to relate qualitative to quantitative information, to get an evaluation of the selected material’s mechanical properties. We developed a neutron-based investigation technique to assess the condition of historic buildings’ construction materials. Neutron radiography and tomography, as well as prompt-gamma activation analysis and imaging were applied to various types of stone blocks (which can be characterized e.g. with different levels of liquid permeability in saturated conditions) to detect the uptake of water and salt ions in porous construction materials of cultural heritage significance. The results enlighten the accurate water intrusion patterns, the evaluation of the water content in unsaturated conditions, the movement of water and salt contents inside the stone samples. The established methodology may find its application niche in the non-destructive assessment of historic and contemporary building construction materials.

Original languageEnglish
Article number159
JournalMaterials and Structures/Materiaux et Constructions
Volume50
Issue number2
DOIs
Publication statusPublished - Apr 1 2017

Fingerprint

Neutrons
Imaging techniques
Water
Salts
Experiments
Water content
Ions
Neutron radiography
Activation analysis
Tomography
Porous materials
Materials properties
Mechanical properties
Liquids
Chemical analysis

Keywords

  • Architectural heritage
  • Neutron imaging
  • Neutron-based techniques
  • Non-destructive techniques
  • Porous building materials
  • Prompt-gamma activation imaging

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • Materials Science(all)
  • Mechanics of Materials

Cite this

Water uptake experiments of historic construction materials from Venice by neutron imaging and PGAI methods. / Kis, Zoltán; Sciarretta, Francesca; Szentmiklósi, L.

In: Materials and Structures/Materiaux et Constructions, Vol. 50, No. 2, 159, 01.04.2017.

Research output: Contribution to journalArticle

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