The potential of 3D printing in building pathology: rehabilitation of cultural heritage

Author:

Jesus ManuelORCID,Guimarães Ana SofiaORCID,Rangel BárbaraORCID,Lino Alves JorgeORCID

Abstract

PurposeThe paper seeks to bridge the already familiar benefits of 3D printing (3DP) to the rehabilitation of cultural heritage, still based on the use of complex and expensive handcrafted techniques and scarce materials.Design/methodology/approachA compilation of different information on frequent anomalies in cultural heritage buildings and commonly used materials is conducted; subsequently, some innovative techniques used in the construction sector (3DP and 3D scanning) are addressed, as well as some case studies related to the rehabilitation of cultural heritage building elements, leading to a reflection on the opportunities and challenges of this application within these types of buildings.FindingsThe compilation of information summarised in the paper provided a clear reflection on the great potential of 3DP for cultural heritage rehabilitation, requiring the development of new mixtures (lime mortars, for example) compatible with the existing surface and, eventually, incorporating some residues that may improve interesting properties; the design of different extruders, compatible with the new mixtures developed and the articulation of 3D printers with the available mapping tools (photogrammetry and laser scanning) to reproduce the component as accurately as possible.Originality/valueThis paper sets the path for a new application of 3DP in construction, namely in the field of cultural heritage rehabilitation, by identifying some key opportunities, challenges and for designing the process flow associated with the different technologies involved.

Publisher

Emerald

Subject

Building and Construction,Civil and Structural Engineering

Reference73 articles.

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2. 3DPrint.com (2015b), “Concrete plans: CyBe's berry Hendriks describes Plans to 3D Print with mortar”, available at: https://3dprint.com/35727/cybe-berry-hendriks-concrete/ (accessed 22 March 2022).

3. 3D technology in the restoration of history,2017

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