NMC: Recent submissions

Now showing items 241-260 of 323

Turismo e património num folheto de 1911

Mimoso, J. (Laboratório Nacional de Engenharia Civil (LNEC), 2011-11-25)

A Sociedade Propaganda de Portugal foi uma associação de carácter privado fundada em 1906 para fomentar a divulgação do País, em particular através do turismo. Em 1909 pediu a integração numa organização internacional ...
Conservação de materiais graníticos. Um contributo do LNEC para a preservação do património

Costa, D.; Delgado Rodrigues, J. (Laboratório Nacional de Engenharia Civil (LNEC), 2011-11-25)

: No património arquitectónico português os materiais graníticos e afins têm uma representação muito ampla, ocorrem em diversos estados de conservação que não raramente exigem o tomar de medidas para a sua conservação. ...
A conservação do património arquitectónico em Portugal no final do século XX. Será legítimo invocar um “efeito WMF”?

Delgado Rodrigues, J. (Laboratório Nacional de Engenharia Civil (LNEC), 2011-11-25)

A última década do sec. XX assistiu a modificações relevantes na prática das intervenções de conservação do património arquitectónico. A melhoria na formação profissional começou a sentir-se por essa altura, fruto de novas ...
The Effect of Water on the Durability of Granitic Materials Consolidated with Ethyl Silicates

Costa, D.; Delgado Rodrigues, J. (Canadian Conservation Institute, 2011-10)

The action of water on granitic materials consolidated with ethyl silicates was investigated. Tests were performed in the laboratory and involved three types of actions: cycles of temperature and humidity, long-term water ...
Physical-chemical characterization of historical Portuguese tiles

Morais Pereira, S.; Coentro, S.; Santos Silva, A.; Muralha, S.; Mimoso, J. (9º Congresso Ibérico de Arqueometria (CIA-IX), 2011-10-26)

A group of Portuguese tiles from the 17th century with manufacturing defects and several forms of decay were characterized as to chemical and mineralogical composition and physical properties of the glaze and ceramic body. ...
Rehabilitation of timber structures. Novel test method to assess the durability of bonded-in rod connections

Custódio, J.; Broughton, J.; Cruz, H. (Springer, 2012-01)

Rehabilitation/restoration systems involving bonded-in rods represent an efficient alternative method for the repair and/or reinforcement of structural timber members. However, in spite of their advantages, their use is ...
Sobre a degradação física dos azulejos de fachada em Lisboa

Mimoso, J.; Morais Pereira, S. (LNEC, 2011-09)

Este Relatório contém os resultados de um estudo levado a cabo pelo LNEC sobre a degradação do património azulejar urbano da Cidade de Lisboa. Inclui uma sistematização das formas de degradação dos azulejos de fachada ...
The colors and techniques of 17th century Portuguese azulejos: a multi-analytical study

Coentro, S.; Muralha, S.; Lima, A.; Santos Silva, A.; Pais, A.; Mimoso, J. (Microscopy & Microanalysis Society of America, 2011-08-07)

Azulejos (ceramic glazed tiles) are the most important form of classical decorative art in Portugal. They have been decorating interior and exterior walls of public and private buildings such as churches, palaces, and even ...
The yellow pigment in Portuguese 17th century azulejos

Coentro, S.; Mimoso, J.; Muralha, S.; Lima, A.; Santos Silva, A.; Pais, A. (TECHNART 2011 − Non-destructive and microanalytical techniques in art and cultural heritage, 2011-04-26)

The Naples Yellow pigment (lead antimonite) and its variants ((Pb-Sb-Sn and/or Pb-Sb-Zn triple oxides) have been the subject of several studies in the last decade [1-3]. This study focuses on the chemical characterization ...
In situ acoustic imaging to reveal glaze delaminations in the early stages in Portuguese azulejos

Calicchia, P.; Mimoso, J.; Costa, D. (ART 2011 - 10TH Int.Conf. AIPND, Florence, 2011-04-13)

Azulejos, the Portuguese glazed ceramic tiles, are a durable architectural finishing, but degradation phenomena induce tiles’ detachments from the supporting wall, or glaze delaminations from the ceramic substratum when ...
Durability of epoxy adhesives for in-situ rehabilitation of timber structures

Custódio, J.; Cruz, H.; Broughton, J. (2011)

Epoxy adhesives have been used for many years in the rehabilitation of timber structures and are currently the most appropriate adhesive type for in-situ operations. However, since they exhibit excellent initial bonded ...
New durability assessment method for bonded connections used in the in-situ rehabilitation of timber structures

Custódio, J.; Cruz, H.; Broughton, J. (2011-09-22)

In-situ rehabilitation/restoration systems for timber structures involving bonded-in rods represent an efficient alternative method when compared to the very intrusive techniques currently used. However, in spite of the ...
Construction and demolition waste generation and management in Lisbon (Portugal)

Braz de Melo, A.; Gonçalves, A.; Martins, I. M. (Elsevier, 2011-10)

The management of construction and demolition waste (CDW) is essential in the formation, growth and renovation of urban areas. This paper presents part of a study on CDW generation and management in the Lisbon Metropolitan ...
Azulejos históricos - Plano de trabalhos para avaliação de materiais e técnicas de conservação e restauro

Morais Pereira, S.; Mimoso, J. (LNEC, 2011-07)

Este relatório apresenta um plano de trabalhos que pretende estudar, avaliar e optimizar os métodos de conservação e restauro utilizados no tratamento de azulejos degradados. A finalidade última é oferecer respostas técnicas ...
Influence of environmental service conditions in Portugal on structural timber bonded connections

Custódio, J.; Cruz, H.; Palma, P. (2011)

A set of experiments was conducted to investigate how effective the insulating properties of timber were against excessive heating of a bonded connection located inside a structural element. The exterior and interior ...
Enhanced durability of structural bonded timber joints. Effectiveness of adhesion promotion techniques

Custódio, J.; Cruz, H.; Broughton, J. (2011)

Long-term durability of a structural adhesive joint is an important requirement, because it has to be able to support the required design loads, under service conditions, for the planned lifetime of the structure. Epoxy ...
Coatings applied on damp building substrates: performance and influence on moisture transport

Brito, V.; Gonçalves, T. D.; Faria Rodrigues, P. (Springer, 2011)

Dampness is a common condition in old buildings and, accordingly, many paint systems specific for this type of building allow for application on walls with nonnegligible moisture content. In spite of that, performance ...
Drying of red ceramic brick. Effect of five silicone-based water-repellent treatments.

Couto, S.; Gonçalves, T. D.; Grandão Lopes, J. (2011-05-12)

The presence of moisture inside a material whose surface was treated with a water repellent agent may give rise to unwanted side-effects. Indeed, the temporal and spatial significance of moistening events may be intensified ...
Use of a silicone-based hydrophobic treatment in ceramic floor tiles: a case-study in Portugal

Gonçalves, T. D. (Istituto Superiore per la Consevazione ed il Restauro (ISCR), 2011-05-13)

Hydrophobic treatments are often used in porous ceramic floor tiles to prevent the occurrence of stains during the use phase. Premature failure of the ceramic pavement of several apartments and townhouses of a golf resort ...
Evaluation of Adhesion Promotion Techniques for Structural Bonded Timber Joints

Custódio, J.; Broughton, J.; Cruz, H. (Taylor & Francis Group, LLC, 2011)

Long-term durability of a structural adhesive joint is an important requirement, because it has to be able to support the required design loads, under service conditions, for the planned lifetime of the structure. Epoxy ...

Now showing items 241-260 of 323

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