Application of fuzzy inference system for determining weathering degree of some monument stones in Iran

Mojtaba Heidari, Carlos Chastre, Mehdi Torabi-kaveh, Marco Ludovico-marques, Hassan Mohseni

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

This paper presents a comparative evaluation of efficiencies of different accelerated ageing tests (freezethaw, thermal shock, salt crystallization, dissolution and wetting-drying) and fuzzy inference system in predicting weathering degrees of some monument stones from three historical sites (Anahita Temple, Anobanini reliefs and Eshkaft-e Salman reliefs, Iran). The combined effects of natural weathering processes (heating and cooling, wetting and drying, and freezing and thawing) and climatic information were used for assessing the natural weathering degrees. Finally, the natural weathering degrees were multiplied by time effect coefficients to obtain more realistic natural weathering degrees of the monuments. The predicted natural weathering degrees for Anahita Temple, Anobanini reliefs and Eshkaft-e Salman reliefs are 56%, 61%, and 47%, respectively. These predicted values reasonably support the weathering degrees defined by progressive decay indices (calculated equal to 2.77, 3.42 and 2.66 for Anahita Temple, Anobanini reliefs and Eshkaft-e Salman reliefs, respectively), which means the fuzzy model potentially could accurately predict the weathering of stones.
Original languageEnglish
Pages (from-to)41-55
Number of pages15
JournalJournal of Cultural Heritage
Volume25
DOIs
Publication statusPublished - May 2017

Keywords

  • Monument stones
  • Weathering degree
  • Fuzzy inference system

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