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Urban redevelopment and decarbonization challenges. An overview from the real estate market perspective

Energy and Buildings 2025年 343卷

作者： Felicia Di Liddo Paola Amoruso Francesco Tajani Pierluigi Morano Federico Stara Department of Civil Environmental Land Building Engineering and Chemistry Polytechnic University of Bari Italy Department of Engineering LUM Giuseppe Degennaro University Casamassima (Bari) Italy Department of Architecture and Design Sapienza University of Rome Italy

In the light of the recent intentions of the European Union, the issue of decarbonisation has become critically important in the building sector. The coherence between the attention of policy makers towards the issues of decarbonisation and urban regeneration and the higher academic interest can be linked to the current needs of sustainability and the climate objectives . The present review aims to provide a general framework of the state of knowledge on the broad topic, focusing on the investigation of the interrelationships existing between energy retrofit interventions, urban redevelopment and the consequent dynamics of the real estate market. The study has been developed as a systematic analysis of the existing literature on the topic in order to point out the main explored aspects, the geographical contexts, the investigated market segments and the most used methodological approaches. Specifically, 167 papers have been analyzed, whose 44 % investigates the relationship between energy retrofit and real estate market, 39 % explores the link between the urban regeneration and property sector and 17 % points out the effects of dynamics of the real estate market on urban transformation interventions. To summarize some of the most significant data regarding the estimated sample, approximately 75 % of the articles has been published after 2016, around 50 % focuses on the European context, more than half of the papers addresses the residential sector and the majority of the contributions (approximately 70 %) consists of scientific Journal articles. In particular, approximately 50 % explicitly indicates the increase in real estate value resulting from the implementation of an energy retrofit/urban redevelopment intervention. Descending from the above, the review provides a valuable reference to address the subjects involved in building and urban renewal operations towards profitable and effective choices.

关键词： Decarbonization Urban redevelopment Real estate market Literature Market demand Market supply Selling prices

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EVALUATION OF PEAK PRESSURE COEFFICIENTS ON LOW-RISE BUILDING BASED ON PROBABILISTIC THEORY

Journal of Structural and Construction Engineering

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Journal of Structural and Construction engineering 2023年第805期88卷 395-402页

作者： Kim, Yong Chul Kinoshita, Taito Dept. of Engineering Faculty of Engineering Tokyo Polytechnic University Japan Architecture Department Osaka branch Daiho Corporation Japan

In current AIJ-RLB (2015), the peak pressure coefficients were prescribed by an ensemble average of ten or twenty 10-minute samples obtained from the wind tunnel tests. In this study, 12,780 10-munute samples of the peak pressure coefficients were measured, and the cumulative distributions were identified using the extreme value distributions and the effect of number of 10-minute samples were examined. Lastly, design values were proposed based the zones of low-rise building. Using the proposed values, the peak pressure coefficients corresponding to the specific non-exceedance probabilities of the wind loads can be calculated from the ensemble averaged peak pressure coefficients. © 2023 Architectural Institute of Japan. All rights reserved.

关键词： Wind tunnels

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CFD simulation of anti-fogging coatings performance in refrigerated display cabinets

CFD simulation of anti-fogging coatings performance in refri...

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2020 Italian Union of Thermo-Fluid Dynamics Seminar on Heat Transfer, UIT-HTS 2020

作者： D'Agaro, P. Croce, G. Suzzi, N. Polytechnic Department of Engineering and Architecture University of Udine Italy

A numerical procedure for the simulation of both fogging and the defogging process on the glass door of a vertical refrigeration display cabinet for chilled food is presented. The large scale problem within the cabinet (convective air flow and heat transfer, moisture mass transport, unsteady conduction through a multi-glazed door) is modelled via a commercial CFD code, whereas the water layer is modelled, via in-house user defined routines, as a collection of tiny droplets in order to take into account the surface wetting properties, the latent heat contributions and the area effective wet fraction. Local water layer equivalent thickness and time needed for the complete defogging are evaluated for different indoor conditions. The influence of anti-fog coatings is investigated comparing different droplets contact angle, from 30 to 90 . © Published under licence by IOP Publishing Ltd.

关键词： Drops

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Collaborative optimization of battery electric bus scheduling and charging considering arterial signal coordination under connected environment

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Applied Energy 2025年 394卷

作者： Chengcheng Yang Sheng Jin Kun Gao Donglei Rong Congcong Bai Xi Gao Xinyi Shen Wenbin Yao Adjé Alagbé Jérémie Institute of Intelligent Transportation Systems College of Civil Engineering and Architecture Zhejiang University Hangzhou 310058 China Department of Architecture and Civil Engineering Chalmers University of Technology Gothenburg 41296 Sweden Zhejiang University Zhongyuan Institute Zhengzhou 450000 China Polytechnic Institute of Zhejiang University Hangzhou 310058 China Department of Industrial and Systems Engineering The Hong Kong Polytechnic University Hong Kong 999077 China School of Civil Engineering and Architecture Zhejiang Sci-Tech University Hangzhou 310018 China

As a strategic pathway to decarbonization, electrification provides an effective solution for achieving low or even net-zero carbon emissions in transportation systems. Static wireless charging (SWC) presents a promising charging strategy by utilizing the dwell time of battery electric buses (BEBs) at bus stations. This approach can effectively mitigate operational challenges such as limited range and prolonged charging times for connected-battery electric buses (C-BEBs). This study proposes a collaborative optimization model for C-BEB scheduling and charging considering arterial coordination under connected environment. The model uses mixed integer linear programming (MILP) to develop an arterial signal coordination control approach that considers the operation efficiency of regular vehicles (RVs) and the constraints that C-BEBs passing through signalized intersection without stopping. Additionally, a collaborative optimization model for bus scheduling and charging is constructed, which considers bus headway, bunching, passenger demand, non-stop constraints for C-BEBs, and speed and stop duration limits. This model can enable C-BEBs to flexibly adjust stop time for wireless static charging while maintaining good operational efficiency and planning. Simulation experiment based on real bus lines in Hangzhou shows that the proposed model can charge buses that lack power during operation with almost no impact on overall efficiency. This not only enhances the operational stability of the bus system but also reduces the need for additional backup buses prepared for situations where buses terminate mid-route due to power shortages, thereby lowering the purchasing costs for bus operators.

关键词： Wireless charging

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Numerical visco-elastoplastic constitutive modelization of creep recovery tests on hot mix asphalt

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Journal of Traffic and Transportation engineering(English Edition) 2016年第5期3卷 390-397页

作者： Marco Pasetto Nicola Baldo Department of Civil Architectural and Environmental EngineeringUniversity of Padua Polytechnic Department of Engineering and Architecture University of Udine

This paper discusses a visco-elastoplastic constitutive model to analyze the creep deformability of asphalt concretes at high service temperatures, finalized to improve the interpretation of permanent deformation phenomenon and performance design of road pavements. A three dimensional constitutive visco-elastoplastic model is introduced, in tensor as well as in numerical form. The associated uniaxial model is used to arrange a plastic element in series with the viscoelastic component. The latter is defined by an elastic spring placed in parallel with three Maxwell elements. Three different hardening laws, namely isotropic, kinematic and mixed hardening, are included in the constitutive model to compare the creep deformability. The proposed constitutive model has been calibrated and validated on the basis of uniaxial creep-recovery test results at 40℃. This is performed with a high performance hot mix asphalt concrete （HP-HMA） at different stresses and loading times. Depending on the hardening law considered, permanent deformation data predicted by the proposed model results are reasonably consistent with the experimental creep-recovery data. A rational constitutive model that is physically congruent with the creep phenomenon of asphalt concretes was developed and calibrated to achieve a deeper understanding of the stress-strain response of such materials. The fundamental relevance of an appropriate plastic response modeling, in the study of the creep behavior of asphalt concretes for highway and road pavements.

关键词： Hot mix asphalt Visco-elastoplastic model Hardening law Creep-recovery test

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DEVELOPING AN AUTOMATED METHOD FOR THE APPLICATION OF LIDAR IN IUMAT LAND-USE MODEL: ANALYSIS OF LAND-USE CHANGES USING BUILDING-FORM PARAMETERIZATION, GIS, AND ARTIFICIAL NEURAL NETWORKS

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Journal of Green Building 2019年第1期14卷 3-29页

作者： Mohamad Farzinmoghadam Nariman Mostafavi Elisabeth Hamin Infield Simi Hoque Department of Civil and Environmental Engineering Worcester Polytechnic Institute Department of Civil Architecturaland Environmental EngineeringDrexel University Department of Regional Planning and Landscape Architecture University of Massachusetts

Predicting resource consumption in the built environment and its associated environmental consequences is one of the core challenges facing policy-makers and planners seeking to increase the sustainability of urban *** study of land-use change has many implications for infrastructure design,resource allocation,and urban metabolism *** most urban models focus on horizontal growth patterns,few investigate the impacts of vertical characteristics of urbanscapes in predicting land-use *** this paper,Building-form variables are introduced as a new determinant factor for investigating effects of vertical characteristics of an urbanscape in predicting land-use *** work outlines an automated method for generating building-form variables from Light Detection and Ranging(LIDAR)data by using Density-Based Spatial Clustering and normal *** paper presents a Land-Use Model that uses Remote Sensing,GIS,and Artificial Neural Networks(ANNs)to predict urban growth patterns within the IUMAT framework(Integrated Urban Metabolism Analysis Tool),which is an analytical platform for quantifying the overall sustainability in the *** town of Amherst in Western Massachusetts(for the period of 1971-2005)is used as a case study for testing the *** isolating the weights of each explanatory variable in models,this study highlights the influence of building geometry on future development scenarios.

关键词： Land-Use Modeling Spatial Analysis LIDAR Building form Extraction Artificial Neural Networks

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Experimental and numerical investigation of in-plane cyclic response of a point-fixed glass façade system for seismic performance assessment

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Journal of Building engineering 2025年 108卷

作者： Eliana Inca-Cabrera Sandra Jordão Carlos Rebelo Chiara Bedon Afonso Mesquita Seyed-Amin Hosseini University of Coimbra ISISE ARISE Department of Civil Engineering Coimbra Portugal University of Trieste UNITS Department of Engineering and Architecture Trieste Italy Polytechnic Institute of Castelo Branco IPCB Higher School of Technology Castelo Branco Portugal

This study investigates the seismic performance of point-fixed glass façade systems (PFGFS) through a full-scale experimental campaign conducted at the University of Coimbra. Two façade systems were tested, accounting for two fixing configurations: fully drilled countersunk bolts and partially through (embedded) bolts. Each system consisted of nine glass panels arranged in a 3 × 3 configuration, with individual panel dimensions of 1490 mm × 1490 mm. The façade systems were subjected to quasi-static cyclic loading to assess their in-plane drift response and post-fracture behaviour. Results indicate that failure initiated in the middle row, yet the façade system remained functional, sustaining additional loading cycles without complete failure. Maximum lateral drift ratios were 2.12 % for partially through bolts and 2.28 % for fully drilled bolts. Deformations were accommodated through rigid body motion, bolt rotation, and sealant relaxation, with washer yielding acting as a sacrificial mechanism to absorb deformation. The lamination foil played a crucial role in retaining shattered glass, ensuring post-failure integrity, and preventing the release of hazardous debris. A finite element model (FEM), validated against experimental results, successfully captured the façade's force-displacement response, confirming progressive failure behaviour. These findings highlight the ductility of point-fixed glass façade systems and demonstrate their capacity to sustain lateral displacement while maintaining structural stability. The results provide valuable insights into the deformation capacity of glass façades, enhancing the understanding of their safety and resilience in seismic regions.

关键词： In-plane drift Point-fixed glass façade Experimental tests FE-Modelling Seismic performance of non-structural elements

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Dynamic identification of a stone masonry building: influence of damage and of CRM retrofitting 64

Dynamic identification of a stone masonry building: influenc...

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64th International Conference on Vibroengineering

作者： Boem, Ingrid Dilena, Michele Gattesco, Natalino Department of Engineering and Architecture University of Trieste Trieste Italy Polytechnic Department of Engineering and Architecture University of Udine Udine Italy

The dynamic identification of a full-scale, two-storey building, made of rubble stone masonry, was achieved. Different configurations were analyzed: unstrengthened masonry and retrofitted masonry, in both undamaged and damaged conditions. Damage was accomplished by testing the building under lateral cyclic loading, to reproduce the seismic effects. The strengthening technique (CRM – Composite Reinforced Mortar) consisted in plastering the outer facades by means of a 30 mm tick mortar coating reinforced with glass-fiber polymer meshes and in introducing transversal connectors injected in the masonry. The mode shapes and natural vibrating frequencies were analyzed and compared, evidencing the effects of damage and of retrofitting. A finite element numerical model was developed, to perform eigenvalue analysis and calibrate the equivalent masonry stiffness for the different configurations. © 2023 JVE International. All rights reserved.

关键词： Retrofitting

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Partially conforming plate bending elements for static and dynamic analyses

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The Journal of Strain Analysis for engineering Design 1973年第4期8卷 260-263页

作者： Ross, C.T.F. Department of Mechanical Engineering and Naval Architecture Portsmouth Polytechnic United States

Two partially conforming flat-plate bending elements have been developed for static and dynamic analyses through the principle of virtual work. One of these elements is triangular and the other quadrilateral and both have corner nodes only, with three degrees of freedom per node. By use of these elements in the matrix displacement method, the natural frequencies of vibration of a square cantilevered plate have been calculated;these calculated results have been compared with experimental results. Agreement has been found to be good, and in general, convergence appears to take place. © 1973, Institution of Mechanical Engineers. All rights reserved.

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Causal effects estimation: Using natural experiments in observational field studies in building science

Indoor Environments

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Indoor Environments 2025年第1期2卷

作者： Ruiji Sun Stefano Schiavon Gail Brager Haiyan Yan Thomas Parkinson Center for the Built Environment University of California Berkeley USA Department of Architecture University of California Berkeley USA Department of Civil and Environmental Engineering University of California Berkeley USA School of Architecture and Artistic Design Henan Polytechnic University China IEQ Lab School of Architecture Design and Planning University of Sydney Australia

Correlational analysis, such as linear regression, does not imply causation. This paper introduces and applies a causal inference framework and a specific method, regression discontinuity, to thermal comfort field studies. The method utilizes policy thresholds in China, where the winter district heating policy is based on cities' geographical locations relative to the Huai River. The approximate latitude of the Huai River can be considered as a natural, geographical threshold, where cities near the threshold are quite similar, except for the availability of district heating in cities north of the threshold, creating a situation similar to a randomized experiment. Using the regression discontinuity method, we quantify the causal effects of the experiment treatment (district heating) on the physical indoor environments and subjective responses of building occupants. We found that mean indoor operative temperatures were 4.3 °C higher, and mean thermal sensation votes were 0.6 warmer due to the district heating. In contrast, using conventional correlational analysis, we demonstrate that the correlation between indoor operative temperature and thermal sensation votes does not accurately reflect the causal relationship between the two. We also show that the indoor operative temperature could be either positively or negatively correlated with occupants’ thermal satisfaction. However, we cannot conclude that increasing the indoor operative temperature in these circumstances will necessarily lead to higher or lower thermal satisfaction. This highlights the importance of causal inference methods in thermal comfort field studies and other observational studies in building science, where the regression discontinuity method might apply.

关键词： Causal inference Regression discontinuity Thermal comfort Field study District heating

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