Statistical analysis on ancient mortars: A case study of the Balivi Tower in Aosta (Italy)

被引:11
作者
Arizio, Elena [1 ]
Piazza, Rossano [1 ,2 ]
Cairns, Warren R. L. [2 ]
Appolonia, Lorenzo [3 ]
Botteon, Alessandra [1 ]
机构
[1] Ca Foscari Univ Venice, Dept Environm Sci Informat & Stat, I-30123 Venice, Italy
[2] Inst Dynam Environm Proc CNR IDPA, I-30123 Venice, Italy
[3] Dept Conservat Reg Cultural Heritage Aosta Valley, Analyt Sci Lab, I-11100 Aosta, Italy
关键词
Mortar; Principal Components Analysis; Cluster Analysis; Ionic Chromatography; Thermogravimetric and differential thermal; analysis; PRINCIPAL COMPONENT; HISTORICAL MORTARS; GLASS COMPOSITIONS; CLASSIFICATION; METHODOLOGY; PROVENANCE; POTTERY; ABBEY; SIMCA;
D O I
10.1016/j.conbuildmat.2013.06.026
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
This study proposes a first approach to the characterization of the composition and degradation products of historical mortars and their classification through chemometric analysis. This work also aimed at comparing the usefulness and applicability of analytical techniques that are commonly used for mortar examination. Calcimetry, Thermogravimetric Analysis (TGA) and Differential Thermal Analysis (DTA), Ionic Chromatography (IC) and Fourier Transform Infrared Spectroscopy (FT-IR) were used to analyse a number of samples collected from the quadrangular Tower of the Balivi Complex in Aosta (Italy). Cluster Analysis and Principal Components Analysis (PCA) were carried out on the analytical results, and the accordance and the relevance of the results were evaluated. The role of the variables on the samples description and their correlation were evaluated. The results showed the division of the samples into groups that were probably due to the presence of different mortar types manufactured in, different periods. Furthermore, an irregular degradation pattern on the four facades and at different heights of the tower was highlighted. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1309 / 1316
页数:8
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