Consolidation is one of the
most complex and controversial actions in stone conservation. Different
lithologies and distinct void/ microstructural relationships show different
behaviours towards consolidation. The frequent presence of soluble salts
also induces variability and complexity in the consolidation process.
Effectiveness is not within reach for all stone types and harmful effects
are too often found. Research is currently being carried out around the
world and new products and new knowledge are being produced for the benefit
of conservation practice. This Symposium will focus on the present state
of the art and state of the practice as regards consolidation mechanisms,
degradation of consolidated stones, novel products for consolidation and
long term monitoring of consolidation interventions on monuments aiming
at discussing both research and practical issues.
Concept and themes:
The Symposium will include invited lectures and paper
or poster presentations by symposium attendants. Lectures will be followed
by discussion. The lecturers are international experts in the field, coming
from well-known institutions in Europe and the United States.
The major topics of consolidation (basic research on products, lab and
field testing, effectiveness, application, harmfulness, durability and
long term behaviour) will be addressed from different points of view.
The Symposium will conclude with a panel session that will provide an
opportunity of interaction between experts and audience. Contributions
from practicing conservators will be an essential dialogue of the Symposium
and therefore they are more than welcome.
The Symposium will deal with
the following main themes:
- Basic principles in stone
- Consolidation products:
research and practice;
- Inorganic consolidants
- Consolidation of very porous
- Consolidation in the presence
- Durability and long term
- Application techniques;
- Parameters, technology
and methods for performance assessment;
- Are there successful past
- Novel products and experimental
- From the laboratory to
the site: the practitioners view;
- Any other relevant issues.
Papers may discuss any topic
on stone consolidation, research data, or report successful and unsuccessful
case-studies. The organizers welcome all innovative contributions and
offer the following suggestions for papers to help authors to prepare
- Basic principles of stone
consolidation. From the macroscopic to the molecular level. Chemical
and physical compatibility. Demonstration of cohesion enhancement.
- Properties of consolidated
stones. How to prepare and test consolidated specimens. Quarry samples,
natural and artificial aged specimens.
- Advantages and limitations
of onsite trials. Successful and unsuccessful case-studies.
- Novel and "updated"
consolidants. Current perspectives in alkoxisilanes.
- Inorganic consolidants.
How deep can they penetrate? How effective are they? Can conversion
coatings protect against acid attack?
- Novel or updated lab testing
of consolidated stone.
- Long term stability of
stone consolidants. "Delayed harm behaviour" as a durability
- Performance assessment
of stone consolidation. Identification of relevant parameters. Assessment
criteria. Testing techniques.
- Consolidation of very porous
decayed limestones. Is it a lost fight?
- Consolidation of clay-rich
stones. How may pre-treatments help.
- Scientifically documented
past treatments. How shall past treatments be characterised? What lessons
can be learnt from them?
- Concept and scientific
perspectives on re-consolidation.
- Practical issues of stone
consolidation. What do practitioners consider as shortcomings in stone
consolidation? And as needs?
- How to integrate stone
consolidation in practical masonry conservation.
- From small to large scale
consolidation. Glue or surface consolidant?
- Scientists in the real
practice. What are their roles?
Due to their affinity, the
Symposium will accept papers on ceramics, mortars and other porous materials,
provided that consolidation is the core subject of the paper.
The Symposium language is English, both for written contributions and
for oral presentations. No simultaneous translation will be available.
The Symposium is open to everyone.
The theme is of particular interest to researchers and practitioners in
the field of conservation. A certificate of attendance will be granted.
Call for papers: Papers
are welcome. Some will be selected for oral presentation and the remaining
may be presented as posters. Both will be included in the Symposium Proceedings.
Abstracts of maximum 300 words shall be submitted by January 31, 2008
by e-mail to firstname.lastname@example.org. The full text of contributions must
be sent to the same e-mail address by March 15, 2008. Responses regarding
contributions will be sent after peer judging and reviewing by the Scientific
Committee. Papers up to 10 pages in their final form must arrive ready
for printing, in electronic format (Word files) by April 15, 2008. .
Space for promotional exhibits is available in the conference hall or
in the nearby exterior area. For costs and other conditions, please see
this page or contact: DrŠ Teresa Fonseca: email@example.com
; tel. +351 21 844 37 29 fax: +351 21 844 30.
The Symposium is organised by LNEC- Laboratório Nacional de Engenharia
Civil (National Laboratory for Civil Engineering)- as a networking activity
of the project EU-ARTECH: "Access
Research and Technology for the Conservation of the European Cultural