World Wide Open Workshopwith Advanced Techniquesfor Cultural Heritage

Program Partenerships in prioritary domains
Code: PN-II-PT-PCCA-2011-3.2-0356
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Stage 5

Validation and corroboration of raised up results from measuring and validation activities - Part II

This phase is a continuation of the 3rd phase as it was modified at the beginning of 2014.
The main objective of this phase is to validate collaborative methods and e-infrastructure implemented methods for education, training, investigation, diagnosis and research for cultural heritage conservation. A very important particularity of this stage consists in the demonstration and the launch of the advanced training form as permanent available instrument.

Multidisciplinary campaign on-site assisted online

This year we continued the documentation and monitoring campaign started in 2015. We had two campaigns following the cold/warm season monitorgin strategy.

Winter campaign

The winter campaign took place in 25-27 January 2016. It was mainly focused on collecting photogrammetry data for 3D data processing of the Gate of Kiss, Table of Silence and several chairs from the Chairs Alley.

Also using the lifting arm car we recorded GPR data on the higher areas of the Gate of Kiss.

Another objective in this campaign was to collect the microclimate acquired data from summer until that moment and to reset the sensors.

Summer campaign

The summer campaign took place between 4-14 July 2016. This was an extended campaign that concentrated on more detailed data acquirement with many techniques: photogrammetry, microclimate monitoring, GPR, thermal imaging, UV flourescence imaging, digital microscopy, XRF and some tests with the UAV sensors.

Photogrammetry

Substituting the 3D laser scanner for the first time for a detailed documentation of a large monument like the Gate of Kiss, required special preparations. A lifting arm car was rented for the duration of the campaign in order to acquire high quality photos from all the necessary angles.

The Gates of Kiss was recorded in two sessions: a general view, and a detailed one. The general view consisted in 894 photos (8,5 GB) from all around the monument. The detailed session strategy required that the photos were taken from small distance (50-60 cm) so that the smallest details should be captured. This resulted in the split of the surface of the monument in 28 smaller areas plus two for each bench on the north respective south sides. 7282 photos were taken (~80 GB of data).

Along with the Gate of Kiss, were documented the Table of Silence and a selected number of chairs.

Microclimate monitoring

Continuing the monitoring start last summer, in this campaign we added to the deployed sensors a professional meteo station, Oregon Scientific WMR 300, that measures the temperature, relative humidity, precipitations, wind speed and orientation. It can be accessed online, and it transmits its data to the central unit via radio.

GPR

Control of the temperature distribution for thermic stress evaluation

UV fluorescence imaging

Laser Doppler Vibrometry

Digital microscopy

UAV testing

UAV tests consisted in LIDAR scanning, thermal imaging and photo acquisition in the Table of Silence area.

Expected results

  • International partnerships for online in-situ collaboration
  • Multi-layered digital model of a complex structure
  • Newsletter #5
  • Scientific and administrative report
Project financed by the National Program for Research Development and Innovation PNCDI II 2011