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Dr. Marta Monzón-Chavarrías
University of Zaragoza. Escuela Politécnica Superior

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0 Energy Retrofits
0 Solar Energy
0 Urban Regeneration
0 nZEB
0 nZEB renovation

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Journal article
Published: 27 May 2021 in Sustainability
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3D city models are a useful tool to analyze the solar potential of neighborhoods and cities. These models are built from buildings footprints and elevation measurements. Footprints are widely available, but elevation datasets remain expensive and time-consuming to acquire. Our hypothesis is that the GIS cadastral data can be used to build a 3D model automatically, so that generating complete cities 3D models can be done in a short time with already available data. We propose a method for the automatic construction of 3D models of cities and neighborhoods from 2D cadastral data and study their usefulness for solar analysis by comparing the results with those from a hand-built model. The results show that the accuracy in evaluating solar access on pedestrian areas and solar potential on rooftops with the automatic method is close to that from the hand-built model with slight differences of 3.4% and 2.2%, respectively. On the other hand, time saving with the automatic models is significant. A neighborhood of 400,000 m2 can be built up in 30 min, 50 times faster than by hand, and an entire city of 967 km2 can be built in 8.5 h.

ACS Style

Carlos Beltran-Velamazan; Marta Monzón-Chavarrías; Belinda López-Mesa. A Method for the Automated Construction of 3D Models of Cities and Neighborhoods from Official Cadaster Data for Solar Analysis. Sustainability 2021, 13, 6028 .

AMA Style

Carlos Beltran-Velamazan, Marta Monzón-Chavarrías, Belinda López-Mesa. A Method for the Automated Construction of 3D Models of Cities and Neighborhoods from Official Cadaster Data for Solar Analysis. Sustainability. 2021; 13 (11):6028.

Chicago/Turabian Style

Carlos Beltran-Velamazan; Marta Monzón-Chavarrías; Belinda López-Mesa. 2021. "A Method for the Automated Construction of 3D Models of Cities and Neighborhoods from Official Cadaster Data for Solar Analysis." Sustainability 13, no. 11: 6028.

Journal article
Published: 18 January 2021 in Sustainability
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The COVID-19 crisis has changed daily habits and the time that people spend at home. It is expected that this change may have environmental implications because of buildings’ heating energy demand. This paper studies the energy and environmental implications, from a Life Cycle Assessment (LCA) approach, due to these new daily habits in residential buildings at their current level of thermal insulation, and in different scenarios of thermal retrofit of their envelope. This study has a building-to-building approach by using Geographical Information Systems (GIS) for the residential housing stock in the case of Barcelona, Spain. The results show that a change in daily habits derived from the pandemic can increase the heating energy consumption and carbon dioxide emission in residential buildings by 182%. Retrofitting all buildings of Barcelona, according to conventional energy renovation instead of nearly Zero Energy Buildings (nZEB), will produce between 2.25 × 107 and 2.57 × 107 tons of carbon dioxide. Retrofitting the building stock using energy recovery is the option with better energy and emission savings, but also is the option with higher payback time for buildings built until 2007. The methodology presented can be applied in any city with sufficient cadastral data, and is considered optimal in the European context, as it goes for calculating the heating energy consumption.

ACS Style

Marta Monzón-Chavarrías; Silvia Guillén-Lambea; Sergio García-Pérez; Antonio Montealegre-Gracia; Jorge Sierra-Pérez. Heating Energy Consumption and Environmental Implications Due to the Change in Daily Habits in Residential Buildings Derived from COVID-19 Crisis: The Case of Barcelona, Spain. Sustainability 2021, 13, 918 .

AMA Style

Marta Monzón-Chavarrías, Silvia Guillén-Lambea, Sergio García-Pérez, Antonio Montealegre-Gracia, Jorge Sierra-Pérez. Heating Energy Consumption and Environmental Implications Due to the Change in Daily Habits in Residential Buildings Derived from COVID-19 Crisis: The Case of Barcelona, Spain. Sustainability. 2021; 13 (2):918.

Chicago/Turabian Style

Marta Monzón-Chavarrías; Silvia Guillén-Lambea; Sergio García-Pérez; Antonio Montealegre-Gracia; Jorge Sierra-Pérez. 2021. "Heating Energy Consumption and Environmental Implications Due to the Change in Daily Habits in Residential Buildings Derived from COVID-19 Crisis: The Case of Barcelona, Spain." Sustainability 13, no. 2: 918.

Journal article
Published: 24 October 2020 in Journal of Building Engineering
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Southern Europe has an old housing stock and has the challenge, as the rest of European Union Member States, to transform it into a decarbonized one, by means of transforming the existing buildings into Nearly Zero Energy Buildings (nZEB). Member States have a large margin of discretion when defining the requirements for nZEB. In this paper, the nZEB requirements for the renovation of residential buildings in Portugal and Spain are studied in detail (unlike the usual more general comparative studies) for a specific building typology with poor energy performance. This is done by checking whether an existing residential building, renovated with different combinations of improvements of the envelope and active systems in two comparable cities in each of these two countries, fulfills the requirements or not, and by comparing the results of CO2 emissions reductions. One of the improvements of the envelope considered are those necessary to fulfill the compulsory major renovation requirements in both countries to check how much we are already approaching to the decarbonization of the residential sector. The results show that nZEB standards applied to the renovation of typical multi-family buildings of 1961–1980 in both countries will significantly contribute to the descarbonization of the building stock for this type of building typology, with reductions of 80–96% of CO2 emissions for Portugal and 71–94% for Spain, if they are applied. However, some aspects of the regulations could possibly be improved such as more restrictive requirements for the current regulations for major renovations in Portugal or the way energy from renewable sources is ensured in Spain, among others.

ACS Style

Marta Monzón-Chavarrías; Belinda López-Mesa; Jaime Resende; Helena Corvacho. The nZEB concept and its requirements for residential buildings renovation in Southern Europe: The case of multi-family buildings from 1961 to 1980 in Portugal and Spain. Journal of Building Engineering 2020, 34, 101918 .

AMA Style

Marta Monzón-Chavarrías, Belinda López-Mesa, Jaime Resende, Helena Corvacho. The nZEB concept and its requirements for residential buildings renovation in Southern Europe: The case of multi-family buildings from 1961 to 1980 in Portugal and Spain. Journal of Building Engineering. 2020; 34 ():101918.

Chicago/Turabian Style

Marta Monzón-Chavarrías; Belinda López-Mesa; Jaime Resende; Helena Corvacho. 2020. "The nZEB concept and its requirements for residential buildings renovation in Southern Europe: The case of multi-family buildings from 1961 to 1980 in Portugal and Spain." Journal of Building Engineering 34, no. : 101918.

Journal article
Published: 10 July 2020 in Sustainability
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Two renovation strategies were considered and compared in this paper for the energy renovation of social housing in condo buildings built in 1945–1969, situated in residential estates that have been declared urban areas of interest. One of the strategies, named here the image conservation approach, consists of renovating the building with very efficient solutions, except for the brick-facing walls, which will only have insulation in the existing cavities. The other strategy, the image coordination approach, consists of renovating the whole building with efficient solutions, including external insulation for existing brick-facing walls, and drawing up coordination plans for each of the residential estates in order to guarantee a coordinated new image of the residential estates. By means of three case studies in the city of Zaragoza and four scenarios of improvement, the two strategies are compared regarding the regulation compliance, the energy use, the emissions reduction, the thermal comfort, and the cost-effectiveness of the measures. The results show that the image coordination approach is the best strategy in regard to the studied aspects, achieving a 69%–79% reduction of CO2 emissions and a 75%–97% reduction of heating use, as well as being the only one capable of transforming these buildings into nearly zero energy buildings (nZEBs).

ACS Style

Belinda López-Mesa; Marta Monzón-Chavarrías; Almudena Espinosa-Fernández. Energy Retrofit of Social Housing with Cultural Value in Spain: Analysis of Strategies Conserving the Original Image vs. Coordinating Its Modification. Sustainability 2020, 12, 5579 .

AMA Style

Belinda López-Mesa, Marta Monzón-Chavarrías, Almudena Espinosa-Fernández. Energy Retrofit of Social Housing with Cultural Value in Spain: Analysis of Strategies Conserving the Original Image vs. Coordinating Its Modification. Sustainability. 2020; 12 (14):5579.

Chicago/Turabian Style

Belinda López-Mesa; Marta Monzón-Chavarrías; Almudena Espinosa-Fernández. 2020. "Energy Retrofit of Social Housing with Cultural Value in Spain: Analysis of Strategies Conserving the Original Image vs. Coordinating Its Modification." Sustainability 12, no. 14: 5579.

Journal article
Published: 01 April 2018 in Sustainable Cities and Society
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Paying attention to the constructed city and renovating buildings are two objectives of current European policies. This article develops a system of physical performance indicators to detect multi-family housing estates that perform worse in energy efficiency, airborne sound insulation against outside noise and accessibility terms. Indicators were developed in close cooperation with the local Administration for residential estates and on a district scale, and allowed the buildings in worse conditions to be detected. The results are graphically represented on urban plans. Indicators are presented by a case study of social housing states in the city of Zaragoza for the 1939–1979 period.

ACS Style

Marta Monzón; Belinda López-Mesa. Buildings performance indicators to prioritise multi-family housing renovations. Sustainable Cities and Society 2018, 38, 109 -122.

AMA Style

Marta Monzón, Belinda López-Mesa. Buildings performance indicators to prioritise multi-family housing renovations. Sustainable Cities and Society. 2018; 38 ():109-122.

Chicago/Turabian Style

Marta Monzón; Belinda López-Mesa. 2018. "Buildings performance indicators to prioritise multi-family housing renovations." Sustainable Cities and Society 38, no. : 109-122.

Journal article
Published: 01 August 2017 in Energy and Buildings
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ACS Style

Monzón Marta; López-Mesa Belinda. Simplified model to determine the energy demand of existing buildings. Case study of social housing in Zaragoza, Spain. Energy and Buildings 2017, 149, 483 -493.

AMA Style

Monzón Marta, López-Mesa Belinda. Simplified model to determine the energy demand of existing buildings. Case study of social housing in Zaragoza, Spain. Energy and Buildings. 2017; 149 ():483-493.

Chicago/Turabian Style

Monzón Marta; López-Mesa Belinda. 2017. "Simplified model to determine the energy demand of existing buildings. Case study of social housing in Zaragoza, Spain." Energy and Buildings 149, no. : 483-493.

Book chapter
Published: 18 March 2017 in Sustainable Development and Renovation in Architecture, Urbanism and Engineering
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Nowadays cities include degraded, or even vulnerable, areas that need public efforts to be made to reintegrate them into the city. These areas contain dwellings that are now longer attractive for the market, and a selective depopulation phenomenon occurs that can expose their inhabitants to more than probable social exclusion. In addition, residential buildings accumulate physical degradation, like high energy consumption, lack of accessibility or exterior noise. Some of these areas are social housing estates built during Spain´s postwar period, which are currently embedded in cities, but are often not properly integrated into them. Public economic investment should focus on the most disadvantaged buildings. Therefore, collecting data about diagnosing the building sector is a priority for Public Authorities [1]. This communication conducts a study on existing mappable indicators for prioritizing the refurbishment of social housing estates in the Spanish city of Zaragoza and for diagnosing any possible gaps in these indicators.

ACS Style

Marta Monzón; María Belinda López Mesa. Using Mappable Indicators for Prioritizing the Refurbishment of Social Housing. A Case Study of Zaragoza (Spain). Sustainable Development and Renovation in Architecture, Urbanism and Engineering 2017, 215 -224.

AMA Style

Marta Monzón, María Belinda López Mesa. Using Mappable Indicators for Prioritizing the Refurbishment of Social Housing. A Case Study of Zaragoza (Spain). Sustainable Development and Renovation in Architecture, Urbanism and Engineering. 2017; ():215-224.

Chicago/Turabian Style

Marta Monzón; María Belinda López Mesa. 2017. "Using Mappable Indicators for Prioritizing the Refurbishment of Social Housing. A Case Study of Zaragoza (Spain)." Sustainable Development and Renovation in Architecture, Urbanism and Engineering , no. : 215-224.