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Hemel, M. (author), Peters, D.J. (author), Schweckendiek, T. (author), Jonkman, Sebastiaan N. (author)The historic canal walls of Amsterdam, stretching 200 km in total, are constructed as a masonry wall on a timber deck supported by vertical timber piles. Understanding the resistance against lateral failure of these quays has been challenging due to uncertainties in their working principles, geometry, soil and structural properties. This...journal article 2024
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Salzberger, M.F. (author)Timber has regained popularity in construction in recent years due to its ecological benefits. The connection methods used in this study play a vital role in the sustainability of structures and materials. Monomaterial timber connections are sustainable alternatives to metal fasteners and adhesives commonly used in construction. Wood is an...journal article 2024
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Souaid, C. (author), ten Caat, P.N. (author), Meijer, A. (author), Visscher, H.J. (author)The 2050 decarbonization goals coupled with the growing housing shortage in Europe intensify the pressure on new-build dwellings to enhance their energy performance. Beyond a zero operational energy, the focus has shifted towards reducing embodied carbon (EC). Against this backdrop, this study investigates the simultaneous impact of downsizing...journal article 2024
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Mirra, M. (author)The application of timber-based strengthening solutions to existing wooden and masonry structures, combines several benefits, such as reversibility, compatibility, lightness, sustainability, affordability, and effectiveness. With reference to existing timber floors, an efficient method to enhance their seismic response is the fastening of an...journal article 2024
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Arslan, O. (author)Post-earthquake structural damage shows that out-of-plane wall collapse is one of the most prevalent failure mechanisms in unreinforced masonry (URM) buildings. This issue is particularly critical in Groningen, a province located in the northern part of the Netherlands, where low-intensity ground shaking has occurred since 1991 due to gas...doctoral thesis 2023
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van der Lugt, P. (author)The latest generation of timber products enable complete multi storey neighbourhoods to be built from sustainably sourced softwood.<br/>This chapter explores how a large-scale transition to timber building in urban environments could contribute to solving the three major global crises we are currently facing with climate, natural resources, and...book chapter 2023
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Mirra, M. (author), Gerardini, A. (author)Wood-based retrofitting techniques for seismic upgrading and architectural conservation of existing buildings have found increasing application in the last decades. With reference to the in-plane seismic strengthening of existing timber floors, a particularly efficient solution consists of an overlay of plywood panels fastened to the sheathing....conference paper 2023
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Mirra, M. (author), Gerardini, Andrea (author), Ghirardelli, Sergio (author), Ravenshorst, G.J.P. (author), van de Kuilen, J.W.G. (author)This work presents the application of timber-based retrofitting techniques to a case-study stone masonry church featuring a wooden roof from 18<sup>th</sup> century. From the static point of view, the original roof structure presented a number of undersized structural elements, and its members were poorly or not connected among each other and...journal article 2023
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van de Kuilen, J.W.G. (author), Gard, W.F. (author), Turkulin, H. (author)The paper deals with the specific approach to teach the subject of assessment and retrofitting of historical timber structures to students of various colleges in an integrated and multidisciplinary course. Timber structures belong to the oldest structures in the world and because of their specific susceptibility to ageing, often require a...book chapter 2023
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Gard, W.F. (author), Ravenshorst, G.J.P. (author), van de Kuilen, J.W.G. (author)Timber pile foundations are widespread in many areas around Europe and North-America. Especially in areas with weak soils, timber pile foundations have been a very good and economic solution. That foundations can be up to 500 years in service in cities like Venice, Amsterdam, Boston and many others. Degradation of the piles may occur over...book chapter 2023
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Sharma, S. (author), Longo, M. (author), Esposito, R. (author), Messali, F. (author)Canals delimited by masonry quay walls are integral elements of many cities in the Netherlands. Historically built to enable the efficient transportation of goods, today such infrastructure also gives the cities their historical and monumental character. In recent years, many quay walls in the Netherlands have shown substantial deformation and...book chapter 2023
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Mirra, M. (author)Existing masonry buildings are very frequently part of the architectural context for several countries all over the world. These constructions often feature masonry walls as vertical structural elements, and timber floors and roofs as horizontal components. The often poor characteristics of masonry, along with the in-plane flexibility of the...doctoral thesis 2022
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Korff, M. (author), Hemel, M. (author), Peters, D.J. (author)A quay wall directly next to a building, both dating from around 1870, collapsed along the Grimburgwal in Amsterdam, the Netherlands, on 1 September 2020. The historic quay wall consisted of a masonry wall, built of a timber deck supported by several rows of timber piles of about 12 m long. As over 200 km of such quays exists in Amsterdam and...journal article 2022
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Mirra, M. (author), Ravenshorst, G.J.P. (author), de Vries, P.A. (author), Messali, F. (author)In the province of Groningen (NL), where human-induced earthquakes take place due to gas extraction, a large part of the building stock is composed of brick masonry walls and timber diaphragms. In this framework, timber-masonry connections play a crucial role in the global seismic response of the buildings, but their properties and structural...journal article 2022
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Ravenshorst, G.J.P. (author), van Dalen, J.H. (author), Mirra, M. (author), Steiger, René (author), van de Kuilen, J.W.G. (author)In this work, the relationship for a socket-type connection in wooden foundation piles is investigated, and a trilinear moment-rotation diagram was determined by means of experiment.<br/>Numerical and analytical models confirmed that the material properties for compression perpendicular to the grain are governing for the connections’ strength...conference paper 2021
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Mirra, M. (author), Ravenshorst, G.J.P. (author), van de Kuilen, J.W.G. (author)Historical or existing buildings are often composed of brick or stone masonry walls, and timber floors and roofs. When these buildings are subjected to earthquakes, the interaction among such structural components is essential to avoid collapse or excessive damage to the constructions. In this framework, a crucial role is played by the...conference paper 2021
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Mirra, M. (author), Sousamli, M. (author), Longo, M. (author), Ravenshorst, G.J.P. (author)In the region of Groningen (NL), human-induced earthquakes initiated by gas extraction are causing structural damage. In that area, the building stock is mainly composed of unrein- forced masonry (URM) buildings with light and flexible timber floors and roofs. Thus, an ex- perimental campaign was arranged for assessing the in-plane response of...conference paper 2021
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van de Kuilen, J.W.G. (author), Beketova-Hummel, O. (author), Pagella, G. (author), Ravenshorst, G.J.P. (author), Gard, W.F. (author)Timber pile foundations are widespread in many areas around Europe and North-America. Especially in areas with weak soils, timber pile foundations have been a very good and economic solution. However, aging of the foundations can become a problem, as physical, biological and/or chemical degradation may occur over time. Now, that foundations...conference paper 2021
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Mirra, M. (author), Ravenshorst, G.J.P. (author)The inadequate seismic performance of existing masonry buildings is often linked to the excessively low in-plane stiffness of timber diaphragms and the poor quality of their connections to the walls. However, relevant past studies and seismic events have also shown that rigid diaphragms could be detrimental for existing buildings and do not...journal article 2021
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Mirra, M. (author), Ravenshorst, G.J.P. (author), van de Kuilen, J.W.G. (author)In the field of seismic retrofitting, a common intervention to improve box-like behaviour in an existing building is the strengthening and stiffening of existing timber floors and roofs. However, these retrofitting methods should be carefully applied, because they change the static scheme and the buildings' response to earthquakes....conference paper 2021