Recent Submissions

• Shear crack width assessment in concrete structures by 2D distributed optical fiber 

  Rodríguez, Gerardo; Casas Rius, Joan Ramon; Villalba Herrero, Sergi (Elsevier, 2019-09)
  Article
  Restricted access - publisher's policy

  This paper outlines the second part of an experimental study to show the capabilities of distributed optical fiber sensors (DOFS) in their application to the structural health monitoring (SHM) of the shear performance of ...
• Fatigue performance of distributed optical fiber sensors in reinforced concrete elements 

  Barrias, Antonio; Casas Rius, Joan Ramon; Villalba Herrero, Sergi (Elsevier, 2019-09)
  Article
  Restricted access - publisher's policy

  In this paper, the authors present the results of a laboratory test where two reinforced concrete beams were instrumented with Distributed Optical Fiber Sensors (DOFS) to allow the monitoring g of strain in four different ...
• U-value time series analyses: Evaluating the feasibility of in-situ short-lasting IRT tests for heavy multi-leaf walls 

  Tejedor Herrán, Blanca; Casals Casanova, Miquel; Macarulla Martí, Marcel; Giretti, Alberto (2019-07-15)
  Article
  Restricted access - publisher's policy

  A gap in standardization of quantitative infrared thermography (IRT) directly leads to a lack of measurement pattern for determining in-situ U-values of heavy multi-leaf walls. Three groups of causal factors might influence ...
• Analysis of building maintenance requests using a text mining approach: building services evaluation 

  Bortolini, Rafaela; Forcada Matheu, Núria (2019-05-16)
  Article
  Restricted access - publisher's policy

  End users’ maintenance requests gathered from computerized maintenance management systems (CMMS) configure a rich source of information to evaluate the occupants’ satisfaction and the building systems. Nevertheless, the ...
• 

  A comparison of standardized calculation methods for in situ measurements of facades U-value 

  Gaspar Fàbregas, Kàtia; Casals Casanova, Miquel; Gangolells Solanellas, Marta (2016-10-15)
  Article
  Open Access

  In recent years, a growing concern has been how to determine the actual thermal behaviour of façades in their operational stage, in order to establish appropriate energy-saving measures. This paper aims at comparing ...
• Distributed optical fibre sensors in concrete structures: performance of bonding adhesives and influence of spatial resolution 

  Barrias, Antonio Jose de Sousa; Casas Rius, Joan Ramon; Villalba Herrero, Sergi (Wiley, 2019-03)
  Article
  Restricted access - publisher's policy

  In this paper, the authors conducted an experiment where a reinforced concrete beam was instrumented with a 5-m long polyimide single distributed optical fibre sensors (DOFS) performing four equal segments externally bonded ...
• 

  SHM of reinforced concrete elements by Rayleigh backscattering DOFS 

  Barrias, Antonio Jose de Sousa; Casas Rius, Joan Ramon; Villalba Herrero, Sergi (2019-03)
  Article
  Open Access

  This document showcases the latest research conducted within UPC–BarcelonaTech on the performance of distributed optical fiber sensors (DOFS), more specifically the case of the optical backscattered reflectometry (OBR) ...
• Evaluation of N2O Emissions in Wastewater Treatment Systems: a Comparative Analysis of Emission Between Case Studies of Developed and Developing Countries 

  Ramírez Melgarejo, Monserrat; Gassó Domingo, Santiago; Güereca Hernández, Leonor Patricia (2019-02-01)
  Article
  Restricted access - publisher's policy

  N2O is a GHG of environmental concern. It is generated from the nitrous material contained in wastewater and is the sixth most important contributor to N2O emissions. There is a great variety of methods to quantify the ...
• 

  Vertically resolved precipitation intensity retrieved through a synergy between the ground-based NASA MPLNET lidar network measurements, surface disdrometer datasets and an analytical model solution 

  Lolli, S.; D'Adderio, L.P.; Campbell, J.R.; Sicard, Michaël; Welton, E.J.; Binci, A.; Rea, Alessandro; Tokay, A.; Comerón Tejero, Adolfo; Barragán Cuesta, Rubén; Baldasano Recio, José María; González, Sergio; Bech, Joan; Afflitto, Nicola; Lewis, J.R.; Madonna, Fabio (Multidisciplinary Digital Publishing Institute (MDPI), 2018-07-01)
  Article
  Open Access

  In this paper, we illustrate a new, simple and complementary ground-based methodology to retrieve the vertically resolved atmospheric precipitation intensity through a synergy between measurements from the National Aeronautics ...
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  Effects of the type of facade on the energy performance of office buildings representative of the city of Barcelona 

  Planas Rodríguez, Carla; Cuerva Contreras, Eva; Alavedra Ribot, Pere (Elsevier, 2018-01-01)
  Article
  Open Access

  The aim of this article is to analyze the energy efficiency issues of eight office buildings built in Barcelona. Using computer simulations to compare energy demand and level of indoor natural lighting, it is demonstrated ...
• 

  Facility managers’ perceptions on building performance assessment 

  Bortolini, Rafaela; Forcada Matheu, Núria (2018-05)
  Article
  Open Access

  During the operational phase, building performance may decrease in various areas, so that the end users’ requirements are no longer met. Consequently, indicators are useful to assessand improve the performance of existing ...
• Review of criteria for determining HFM minimum test duration 

  Gaspar Fàbregas, Kàtia; Casals Casanova, Miquel; Gangolells Solanellas, Marta (2018-10-01)
  Article
  Restricted access - publisher's policy

  The actual thermal behaviour of façades is important to identify suitable energy-saving measures and in- crease the energy performance of existing buildings. However, the accuracy of in situ measurements of façades’ U-values ...

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