4.5 ECTS; 1º Ano, 2º Semestre, 15,0 T + 45,0 PL + 3,0 OT , Cód. 93808.
Lecturer
- Fernando Manuel Conceição Costa (2)
(1) Docente Responsável
(2) Docente que lecciona
Prerequisites
Not applicable.
Objectives
Students should demonstrate observation, analysis and diagnosis skills. They should also be able to use graphic, photographic and literature search as support resources and produce documentary records of the items to be preserved or restored in all steps of the process.
Program
Theoretical Component
1. Degradation Natural Stone
1.1. Chemical changes
1.2. Physical changes
2. Degradation of stone work
2.1. The action of biodegradation
2.2. The effects of ice and the soluble salts
2.3. The effects of temperature variations
3. The effects of air pollution
3.1. The effects of air pollution - chemical Effect
4. Biodeterioration
4.1. Higher plants
4.2. Fungi and lichens
4.3. Algae
4.4. Bacteria
5. pathologies and forms of degradation of stone materials
5.1. Terminology
5.2. Identification and characterization
5.3. Examples
6. Some concepts used in heritage conservation
6.1. Conservation
6.2. Maintenance
6.3. Repair
6.4. Restoration
6.5. Rehab
6.6. Reconstruction
7. Intervention in stone materials
7.1. Sampling
7.2. Mineralogical-petrographic analysis
7.3. Chemical analysis
7.4. Biological analyzes
8. Cleaning (cleaning methods and techniques of stone material)
8.1. Mechanical cleaning
8.2. Cleaning with nebulized or atomized water
8.3. Cleaning with ultrasonic unit
8.4. Cleaning with micro-abrasive jet
8.5. Chemical cleaning
8.6. Cleaning with the use of folders and special clays
8.7. Cleaning with the use of folders or patches
8.8. Cleaning with use of LASER
8.9. Disinfestation, higher plants, algae, mosses and lichens
9. Consolidation
9.1. Efficacy trials; harmfulness and durability.
9.2. Consolidating application methods
10. Collages
10.1. Structural adhesives
10.2. No structural adhesives
10.3. Reinforcing Spikes
11. Fill gaps or "plastering"
11.1. Organic and inorganic ligands
11.2. Aggregates
11.3. The color
12. Protection / waterproofing
12.1. Characteristics of repellents
12.2. Application Techniques
Practical Component
1. Introduction to change the causes of stone materials
1.1. Causes of climate and environmental change
1.2. Change causes due to biological agents
1.3. Change causes due to human action
2. identification / characterization of conditions / forms of degradation
2.1. Framework of different pathologies
2.2. Photographic record
2.3. Information Processing
3. Methodology
3.1. Observation, analysis and diagnosis
3.2. Fill fact sheets
3.3. "Determining chemical and mineralogical type of rock"
3.4. Discussion and planning of such interventions
3.5. Definition of intervention criteria
3.6. Treatment proposals
3.7. Choice of materials
3.8. Documentation: graphic recording, photographic, etc.
4. Cleaning
4.1. The choice of methods and techniques
4.2. Tests and trials
4.3. Choice of products to use
4.4. Mechanical cleaning
4.5. Chemical cleaning
4.6. Others
5. Stabilization
5.1. The extraction of salts
5.2. Methods
5.3. Prelock
5.4. Fixation
5.5. Pre-consolidation
5.6. Consolidation
5.7. Techniques and products
6. Restoration
6.1. The structural reinforcement
6.2. Collages
6.3. Completion and reconstruction
Evaluation Methodology
Continuous assessment: practical project, technical report and written test.
Final assessment: written examination.
Bibliography
- AIRES-BARROS, L. (1991). Alteração e Alterabilidade das rochas. Lisboa: Instituto Nacional de Investigação Científica; Centro de Petrologia e Geoquímica da Universidade Técnica de Lisboa
- IPPAR, M. (1996). Cartas e Convenções Internacionais. Lisboa: Instituto Português do Património Arquitectónico (IPPAR)
- L, A. (2001). As rochas dos monumentos portugueses tipologias e patologias. (Vol. I). Lisboa: Instituto Português do Património Arquitectónico (IPPAR)
- L, A. (2001). As rochas dos monumentos portugueses tipologias e patologias. (Vol. II). Lisboa: Instituto Português do Património Arquitectónico (IPPAR)
Teaching Method
Theoretical Lectures and laboratory classes where students are asked to run diagnostics, methodologies and also conservation and restoration interventions in real context.
Software used in class
Not applicable.
