sixth framework programme project no. contract no. 022714 project acronym: desalination project...
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SixthFramework Programme
Project no. Contract no. 022714Project acronym: DESALINATIONProject title: Assessment of Desalination Mortars and Poultices for Historic MasonryInstrumentThematic Priority: 8.1.B - 3.6 The protection of cultural heritage
DL 6.4 News letter 3
Due date of deliverable: 30/04/2007Actual submission date: 30/04/2007Start date of project: April 1, 2006 Duration: April 1 2006-April 1 2009
IUAV Revision [draft 1]
Project co-funded by the European Commission within the Sixth Framework Programme (2002-2006)
Dissemination Level
PU Public X
PP Restricted to other programme participants (including the Commission Services)
RE Restricted to a group specified by the consortium (including the Commission Services)
CO Confidential, only for members of the consortium (including the Commission Services)
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SIXTH FRAMEWORK PROGRAMME
Assessment of desalination mortars and poultices for historic masonry (2006-2009)
EC PROJECT DESALINATIONNEWSLETTER 3/2008
Contract No. 022714
Scientific co-ordinator: Fulvio Zezza University IUAV of Venice
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DESALINATION Project -gaining a better understanding of the salt transport mechanism between a salt
laden substrate and a material applied on top of that-assessment of the possibilities and limitations of desalination treatments
method to assess the performance of desalination systems
Methodology(non destructive
techniques- NDT)
Laboratory tests(poultices and
substrates)
scientific knowledge on how desalination works
recommendation for a standard to test desalination systems
decision-guideline on how to choose a desalination mortar/poultice
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WP3 – Case studies
Terese Convent
assessment of desalination treatment
before and after treatment application
by NDT measurements
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NDT-Research Methodology
diagnosis controltreatment
A B C
characterization of supports
I. kind of material (brick, stone)
II. assessment of state of conservation
III.colourIV. temperatureV. ultrasonic pulses VI. resistivity
I. application methodology
II. sampling criteria
III.product analysis
assessment of treatment
(compared analyses)
I. soluble salt content
II. efficiency of salt extraction(surface changes, colour, temperature, ultrasonic pulses, resistivity)
treatment application
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WP4 – Performance of desalination systemsTests performed in
laboratory: • characterization of
poultices in contact with substrate of diverse porosity
• tests on workability and drying behaviour of poultices applied on 2 substrates
• study of water flow from the poultice to the substrate
• fractional factorial experiments to assess poultice effectiveness on salt contaminated substrates (test on effectiveness)
• investigation of the effect of the clay/sand ratio and of the grain size of the sand on the total porosity and pore size distribution of the poultice started
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Waag building AmsterdamThe Netherlands
evaluation of desalination effectiveness of different poultices applied on building materials on site
WP3 – Case studies
Italy-Venice San Geremia Church
Augustusburg PalaceGermany-Bruhl
FranceDijon
St. Philibert Church
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WP5 - NMR research
• diffusion plays a minor role in the first stage of drying process
• a poultice should be selected on basis of the pore sizes of both poultice and substrate
• the poultice applied on the brick with smallest pores (1:3) transported salt quicker than with other poultices
• the large pore of substrate can be blocked by kaolin from poultice
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WP6 – Knowledge transfer
MDDS philosophy:
• assessment building
• description of decay
• diagnosis: assessment damage mechanism
• well defined intervention
The project website (www.bk.tudelft.nl/desalination) has been implemented:
• a feedbacks groups of end users has been contacted and involved in a short questionnaire about Desalination Project and desalination treatment
• more information about NMR techniques, MDDS systems and simple desalination techniques to evaluate desalination efficiency and a request of information about how to proceed with badly decayed substrates have been received
• link to TUE-NMR and MDDS presentation will be provided
implementation in MDDS
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WP33.3 Procedure of test panel (M33)3.4 Comparison desalination result between lab test and test panel (M33)
WP44.3 Report on the results on the evaluation of the performance of different desalination systems M324.4 Scheme which indicates what desalination system may be used successfully on substrates with specific pore-size distribution M32
WP55.5 Numerical indication of the amount of salt to be extracted by a mortar or mortar/poultice (M33)
WP66.7 Workshop in Germany (M33)
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