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Mineralogical, petrographic and physical-mechanical study of Roman construction materials from the Maritime Theatre of Hadrian's Villa (Rome, Italy)

Research output: Contribution to journalArticle

Author(s)

  • Stefano Columbu
  • Carla Lisci
  • Fabio Sitzia
  • Giulia Lorenzetti
  • Marco Lezzerini
  • Stefano Pagnotta
  • Simona Raneri
  • Stefano Legnaioli
  • Vincenzo Palleschi
  • Gianni Gallello
  • Benedetta Adembri

Department/unit(s)

Publication details

JournalMeasurement
DateAccepted/In press - 25 May 2018
DateE-pub ahead of print (current) - 28 May 2018
Issue numberOctober 2018
Volume127
Number of pages12
Pages (from-to)264-276
Early online date28/05/18
Original languageEnglish

Abstract

This paper presents the study of various Roman materials used in the construction of the Maritime Theatre, one of the main buildings in the Hadrian’s Villa complex, a designated UNESCO World Heritage Site located in Tivoli
(Rome, Italy), dating to the first half of the II century A.D. The plaster layers (arriccio and intonachino) and overlying original Roman paintings that form the concave wall of the portico as well as some bedding mortars of the pyramidal stone elements (i.e. cubilia) of the circular masonry have been studied in particular. In addition, the acid volcanic rocks of the cubilia have been investigated, aiming to understand their state of alteration and
geological origin. By mineralogical-petrographic microscopy (OM), diffractometry (XRPD), Raman spectroscopy, Point Load Tests (PLT), helium pycnometry, and particle size analysis, the composition and granulometric distribution of the aggregate, type and characteristics of the binder, and various physical-mechanical properties (density, porosity, water absorption, imbibition and saturation indices, mechanical resistance) of mortars and stones were
defined. In addition, through digital image analysis of thin sections, the binder/aggregate ratio and some geometric characteristics of the aggregates (e.g. circularity) were determined. The research aims to improve the knowledge of the constructive technologies of the Maritime Theatre through the analysis of its materials.

Bibliographical note

© 2018 Elsevier Ltd. This is an author-produced version of the published paper. Uploaded in accordance with the publisher’s self-archiving policy.

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