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Technical sheet

Typology Archaeological Heritage
Protection UNESCO World Heritage (1980), as part of the Historic Centre of Rome
Period 203 CE
Date 2021
Service Maintenance
Work Biomineralisation testing in a selected area of the Arch with a view to reestablishing the cohesion of the marble
Areas 6 sq. metres in the south pillar of the Arch of Septimius Severus
Materials Stone (Pentelic marble)
R&D Biomineralisation of the Arch bas-reliefs in the area selected for testing, showing marble disaggregation, flaking, fractures and material loss; the bioconsolidation efficacy was verified and demonstrated via the sponge test (water absorption) and the peeling test (surface cohesion).
Presentation

“Marble biomineralisation: Pilot application results at the Arch of Septimius Severus”, de J.D. Rodrigues, J. Aguiar, N. Proença e M.J. Revez no Simpósio Internacional CONSOLIDATION 2021 – Stone Consolidation in Cultural Heritage, LNEC, Lisboa, 2022.

“I Batteri nel Restauro Sostenibile: un approccio, diversi percorsi”, N. Proença, Curso "Conservazione dei materiali e chimica applicata", Facoltà di Architettura "Sapienza" Università di Roma, Roma, 2023.

Notes Intervention framed within the PArCo-GREEN project, promoted by the Parco Archeologico del Colosseo. Nova Conservação carried out these tests, with the assistance of researcher José Delgado Rodrigues, for the company Montanelli Restauri, contractor of the intervention for the extraordinary maintenance of the Arch of Septimius Severus.