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Eficácia, emoções e conflitos grupais: a influência do coaching do líder e dos ...
Dimas, Isabel; Marques, I.; Lourenço, Paulo RenatoCom o objetivo de estudar o fenômeno do coaching de equipes, de líderes e pares, e a sua influência nas emoções, conflitos e eficácia grupal, foram analisadas 75 equipes pertencentes a 22 organizações portuguesas. Os resultados obtidos revelaram a existência de uma relação positiva entre os dois tipos de coaching analisados. Verificou-se também a presença de uma influência positiva das duas formas de coaching s...
Characterization of cross sections from old chestnut beams weakened by decay
Sousa, Hélder S.; Branco, Jorge M.; Lourenço, Paulo B.This work aims to experimentally assess the material properties of old chestnut (Castanea sativa Mill.) cross sections weakened by decay. Specimens were taken from critical zones of twenty floor beams, mostly corresponding to their ending parts, in contact with granite masonry walls. These specimens were compared with clear wood specimens taken from non-decayed parts . The experimental campaign comprised of vi...
Shaking table testing of an existing masonry building : assessment and improvem...
Mendes, N.; Lourenço, Paulo B.; Costa, Alfredo CamposThis paper aims to assess and improve the seismic performance of an existing masonry building with flexible floors, representative of a Portuguese building typology—‘gaioleiro’ buildings. The study involved seismic tests and dynamic identification tests of two models (nonstrengthened and strengthened) in the shaking table. Each model was subjected to several seismic tests with increasing amplitude. . Before the fir...
Dimensional variation of three softwood due to hygroscopic behavior
Silva, Catarina V.; Branco, Jorge M.; Camões, Aires; Lourenço, Paulo B.With the aim of monitor the hygroscopic behavior of three softwood species in situations of changes in its moisture content, an experimental program based on dimensional measurements, hygrometer readings and weightings procedure, was carried out. Maritime Pine (Pinus pinaster), Spruce (Picea abies) and Scots Pine (Pinus sylvestris) specimens were evaluated and compared. For each wood species, half of specimens ...
The vernacular house between the Cávado and the Ave, Portugal
Barroso, Carlos Eduardo Santos; Oliveira, Daniel V.; Ramos, Luís F.; Lourenço, Paulo B.Publicado em "Vernacular heritage and earthen architecture : contributions for sustainable development", ISBN 978-1-138-00083-4 ; With acknowledged authenticity and cultural heritage value, rural vernacular construction of Entre-Douro-e-Minho represents the results of the centuries-old relation between men and available natural resources. Abandoned or victim of armful interventions, this unique heritage acquir...
Characterization and damage of brick masonry
Lourenço, Paulo B.; Hees, Rob van; Fernandes, Francisco; Lubelli, BarbaraSeries : Building pathology and rehabilitation, ISSN 2194-9832, vol. 2 ; Clay brick is among the oldest used masonry materials. Given the technological evolutions since the industrial revolutions, old brick are much dif-ferent from todays’ bricks. This chapter provides a review on the chemical, physi-cal and mechanical properties of mortar, brick and masonry. In addition, a discus-sion on the possible causes o...
Seismic-V : vernacular seismic culture in Portugal
Correia, M.; Carlos, G.; Rocha, S.; Lourenço, Paulo B.; Vasconcelos, Graça; Varum, HumbertoFor a long time, reactive seismic retrofitting was focused on monumental heritage and very little on vernacular architecture. In the last years, there has been a growing interest on seismic resistant design and solutions and several research units emerged to produce important research in the scientific field. However, for some time, international focus to address earthquake-damaged buildings was on intrusive te...
Architectural heritage of the north eastern Portugal : history, construction an...
Martins, Lurdes; Vasconcelos, Graça; Lourenço, Paulo B.This article is based on a study carried out in different small houses located along the margins of the Tua River, in the county of Alijó and Carrazeda de Ansiães, in order to perform a characterization of constructive techniques and materials. It is considered as a constant goal throughout this study the appreciation of natural stone, in this case granite and schist, as construction materials that were used in...
On the use of NDT data for reliability-based assessment of existing timber stru...
Sousa, Hélder S.; Sørensen, John D.; Kirkegaard, Poul H.; Branco, Jorge M.; Lourenço, Paulo B.The objective of this paper is to address the possibilities of using non-destructive testing (NDT) data for updating information and obtaining adequate characterization of the reliability level of existing timber structures and, also, for assessing the evolution in time of performance of these structures when exposed to deterioration. By improving the knowledge upon the mechanical properties of timber, better a...
Desempenho sísmico de edifícios antigos de alvenaria : ensaios em plataforma sí...
Mendes, N.; Lourenço, Paulo B.; Costa, Alfredo CamposEste artigo apresenta os ensaios realizados na plataforma sísmica do Laboratório Nacional de Engenharia Civil sobre o desempenho sísmico de edifícios antigos de alvenaria. O programa experimental envolveu a definição de um protótipo representativo das características correntes dos edifícios gaioleiros, que posteriormente foi utilizado para a construção dos modelos experimentais. Devido às dimensões e limite de ...
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