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Journal of Civil Engineering and architecture 2021年第1期15卷 47-56页

作者： Lineu Castello PROPAR/UFRGS Post Graduate Program in ArchitectureFederal University of Rio Grande do SulPorto Alegre90040-060Brazil

The paper observes that one of the most significant changes experienced by global cities in their growth is that(fortunately)they keep a Relentless Resilience of some of their urban *** are clearly perceived as configuring territorial fragmentations,either in extra-or intra-urban location,caused by the obsolescence of uses non-aligned to contemporary life;and territorial discontinuities interspersed along the *** is precisely in these fragments that good opportunities for the smart growth of a global city can be *** represent a trend towards a curtailment of the undesired sprawl and the creation of new places that will somehow act as“gluing”the ***,one of the most striking features of contemporary cities has been the strong tendency to value their old memories through redeveloping their heritage *** newest trend is to reuse them under the generical denomination of“Cultural and Creative Parks”,in line with the ideas of the“creative economy”and the revitalization of brownfields.

关键词： Contemporary cities places resilience creative parks anthropocene

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Adaptive control measures and thermal comfort : Input parameters for IoT devices 18

Adaptive control measures and thermal comfort : Input parame...

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18th Iberian Conference on Information Systems and Technologies, CISTI 2023

作者： Noda, Lumy Leao, Celina Pinto Leder, Solange Federal University of Paraíba Post-graduate Program in Architecture and Urbanism - Ppgau João Pessoa Brazil School of Engineering of University of Minho Algoritmi Research Centre/LASI Guimarães Portugal Federal University of Paraíba Department of Architecture and Urbanism João Pessoa Brazil

ISBN: (纸本)9789893347928

Thermal comfort can be defined as the 'condition of mind that expresses satisfaction with the thermal environment.', and adaptive control measures comprise an adjustment to indoor environmental conditions based on occupant preferences, behavior, and feedback. The use of Artificial Intelligence (AI) and Internet of Things (IoT) in thermal comfort and adaptive control measures has the potential to significantly improve energy efficiency and occupant comfort in buildings. The adoption of the Working-from-home modality by several institutions and companies during and after the 2020 pandemic, accelerated the development of even more advanced and effective solutions in this area. This study, in its first phase, seeks to identify input parameters related to adaptive control measures adopted by the same occupants in two work environments (office building and residences) to promote personal thermal comfort contributing to the development of individual devices and IoT applications related to thermal comfort monitoring. © 2023 ITMA.

关键词： Internet of things

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Influence of Vegetation on the Climate

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Journal of Environmental Protection 2023年第9期14卷 725-741页

作者： Adriana Schueler Thallison Rodrigues Oliveira Department of Architecture and Urbanism and Post Graduate Program in Territorial Development and Public Policies Universidade Federal Rural do Rio de Janeiro Seropédica Brasil Post Graduate Program PROFÁGUA Universidade Federal do Paraná Campo Mourão Curitiba-PR Brasil

With the growth of the cities, the environment ended up being altered and, among others, the natural cover and native vegetation were replaced by a built environment, which contributed to deep environmental disturbances. One of them, climate change, has attracted attention in recent decades, and can no longer be ignored without greatly compromising the quality of life of human beings. From the scenario in which we are inserted, it became necessary to investigate which factors significantly influence climate change in urban centers. The Federal Rural University of Rio de Janeiro was the center of this study. From this scenario, the influence of green and wooded areas on urban thermal behavior was analyzed. In this sense, three types of soil surface exposure were studied experimentally during four periods of the year.

关键词： Climate Urban Forestry Heat on Surfaces Seropédica

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Coloured Concrete Produced from Low-Carbon Cements: Mechanical Properties, Chromatic Stability and Sustainability

SSRN

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SSRN 2022年

作者： Jesus, Christianne F. Arruda, Euler S. Braga, Nállyton Sales T. Silva, João A. Barata, Márcio Santos Post-Graduate Program in Architecture and Urbanism Federal University of Pará Pará Belém Brazil Post-Graduate Program in Risk Management and Natural Disaster in Amazon Federal University of Pará Pará Belém Brazil

The global construction industry is responsible for 39% of CO2 emissions and for more than 50% of the extracted natural resources. Dematerialization and the use of low-carbon materials would be mitigating actions in the current scenario. In developing countries, where the housing deficit is high, a short-term solution could come from the construction of social housing using multipurpose coloured concrete casings, which have no rendering of mortars and paints and are produced from low-carbon cements. In the Amazon, the wide availability of light and kaolinite-rich waste would enable the production of low-carbon cements (LCC) from ternary mixtures of clinker, calcined kaolin waste and limestone. This study evaluated the performance of coloured concretes from these LCC against the weathering of the rainy equatorial climate of the Amazon. The LCC provided coloured concretes with good pigmentation capacity and a significant reduction in CO2 emissions. On the other hand, the use of such cement compromised the aesthetic quality of the envelope due to the low chromatic stability. The low alkalinity of the LCC favoured the growth of microorganisms, leading the concrete surfaces to become prematurely blackened, decreasing their albedo and, consequently, raising the surface temperature of the substrate, which compromises the thermos-energetic performance of the building. Nevertheless, the results are promising and justify the continuity of research using new compositions of limestone calcined clay cement associated with the use of more efficient surface protection systems. © 2022, The Authors. All rights reserved.

关键词： Limestone

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Indoor temperature variation with different roof materials and natural ventilation 33

Indoor temperature variation with different roof materials a...

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33rd International on Passive and Low Energy architecture Conference: Design to Thrive, PLEA 2017

作者： Drach, Patricia R. Architecture and Urbanism Department School of Industrial Design State University of the Rio de Janeiro - DAU/ESDI/UERJ Rio de Janeiro Brazil Post-Graduate Program in Urbanism School of Architecture and Urbanism Federal University of Rio de Janeiro PROURB/FAU/UFERJ Rio de Janeiro Brazil Urban Engineering Program Federal University of Rio de Janeiro PEU/POLI/UFRJ Rio de Janeiro Brazil

ISBN: (纸本)9780992895754

This work involves experiments using subroutines developed by the author in Fortran language to calculate heat and mass transfer, and ventilation. The simulations were done to check the results of the influence of the application of different materials on a flat roof associated to passive ventilation. The target of this paper is to evaluate the use of subroutines developed to show air temperature changes, the heat transfer through a flat roof and the ventilation on a small prototype. The experiments conducted involved predictable results and that is exactly why they were suitable to check the performance of the subroutine. It is relevant to mention that the heat transfer through a flat roof was checked including a solar gain factor, which changes during the simulation using the subroutines, according to the hour of day (hourly from 7a.m. to 5p.m). The analysis started by solving the air-circulation problem to determine the wind fields, using a mixed stabilized finite element method, like Petrov-Galerkin, applied to the full Navier-Stokes equations. The thermal problem is analyzed through the SUPG - Streamline Up-wind Petrov-Galerkin stabilized finite element method. Computational simulations allow for testing low cost operational interferences before implementing a project. © Copyright 2017 NCEUB.

关键词： Ventilation

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Architectural Teaching and Design Computing： A Didactic Experience in a Brazilian architecture Course

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Journal of Civil Engineering and architecture 2018年第1期12卷 51-58页

作者： Femando Tadeu de Araujo Lima Faculty of Architecture and Urbanism (FAU) and Post-Graduate Program of Built Environment (PROAC) Federal University ofJuiz de Fora Juiz de Fora Minas Gerais 36037-000 Brazil

In the last years, architectural practice has been confronted with a paradigm shift towards the application of digital methods in design activities. In this regard, it is a pedagogic challenge to provide a suitable computational background for architectural students, to improve their ability to apply algorithmic-parametric logic, as well as fabrication and prototyping resources to design problem solving. This challenge is even stronger when considering less favored social and technological contexts, such as in Brazil, for example. In this scenario, this article presents and discusses the procedures and the results from a didactic experience carried out in a design computing-oriented discipline, inserted in the curriculum of a Brazilian architecture course. Hence, this paper shares some design computing teaching experiences and presents some results on computational methods and creative approaches, with a view to contribute to a better understanding about the relations between logical thinking, mathematics and architectural design processes.

关键词： Architectural design teaching design computing didactic experience.

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Beyond Houses 1

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丛书名： The Urban Book Series

1000年

作者： A. Nuno Martins Carmen Mendoza-Arroyo Liliane Hobeica Jorge León Adib Hobeica

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Study of damage distribution and intensity in regions of the facade

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Journal of Building Pathology and Rehabilitation 2016年第1期1卷 1-9页

作者： de Souza, Jessica S. Bauer, Elton Nascimento, Matheus L. M. Capuzzo, Valdirene M. S. Zanoni, Vanda A. G. Post-Graduate Program in Structures and Civil Construction Civil and Environmental Engineering Department University of Brasília Campus Universitário Darcy Ribeiro Asa Norte Brasília 70910-900 DF Brazil Faculty of Architecture and Urbanism University of Brasília Campus Universitário Darcy Ribeiro Asa Norte Brasília 70910-900 DF Brazil

The ceramic coating systems applied to building facades have relevant aesthetic value and protection functions. The architectural and environmental conditions can greatly influence the degradation process of the facades, which may pose risks and compromise the durability and service life of the building and its components. The degradation process of facades changes according to the region where it takes place. To this end, the present study aims to determine damage intensity and distribution in the different regions of the facade. This study investigated the facades of three buildings that are part of the Materials Testing Laboratory (LEM) database of the Universidade de Brasilia. The degradation was quantified using a methodology proposed by Silva (2014) to generate a degradation index expressed in m². After the quantification of damages, few indexes associated with the percentage of degraded area, applied to the facade regions, are presented. These weighted indexes allowed to standardize the values observed in each region. Obtaining these indices is fundamental to the study of degradation. The results show that for a comparative analysis between the regions, the observed values should be corrected for the proportionality of the area of each region in relation to the total area of the facade. It was also noted that the continuous walls are the most affected regions, but they do not always present the highest damage intensity. © 2016, Springer International Publishing Switzerland.

关键词： Damage distribution Degradation Degradation index Facades Pathology

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Wind-driven rain incidence parameters obtained by hygrothermal simulation

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Journal of Building Pathology and Rehabilitation 2016年第1期1卷 1-7页

作者： Nascimento, M.L.M. Bauer, E. de Souza, J.S. Zanoni, V.A.G. Post-Graduate Program in Structures and Civil Construction Civil and Environmental Engineering Department University of Brasília Campus Universitário Darcy Ribeiro Asa Norte Brasília 70910-900 DF Brazil Faculty of Architecture and Urbanism University of Brasília Campus Universitário Darcy Ribeiro Asa Norte Brasília 70910-900 DF Brazil

The association of rain and wind composes wind-driven rain (WDR), and its incidence may be crucial to the emergence of anomalies on the facades of buildings. Moisture from the WDR can influence the humidification and drying process, therefore the durability and hygrothermal performance are conditioned by the amount of incident water. The quantification of WDR can be an indispensable tool for understanding its related phenomena and the service life of buildings. The most widely used methods of quantification are the semi-empirical, with theoretical basis, but coefficients partially determined from measurements. These methods may take into account the building exposure conditions related to the envelope, solar orientation, height of the building, and other parameters. In this context, in order to contribute to the studies on quantification of WDR, the purpose of this paper is to apply hygrothermal simulation software WUFI^® on quantification of WDR focusing on buildings degradation of Brasília-Brazil. For the simulation it was used a Typical Meteorological Year file with the wind and precipitation measurement data indispensable for simulation. The quantification of incidence of WDR considered the orientations North, Northeast, East, Southeast, South, Southwest, West, and Northwest. The use of semi-empirical WUFI^® quantification method allowed finding the highest values and consequently critical orientations North, Northwest, and Northeast, moreover, this results showed the relation with the degradation of facades in these orientations. WUFI proved to be an easy, fast and efficient method of WDR quantification, without hiding seasonal weather effects. © 2016, Springer International Publishing Switzerland.

关键词： Degradation Facade Hygrothermal simulation Wind-driven rain

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Fatigue strength of welded joints under multiaxial non-proportional loading

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Procedia Structural Integrity 2017年 5卷 761-768页

作者： Sabrina Vantadori Joel Boaretto Giovanni Fortese Felipe Giordani Roberto Isoppo Rodrigues Ignacio Iturrioz Camilla Ronchei Daniela Scorza Andrea Zanichelli Department of Engineering & Architecture University of Parma Parco Area delle Scienze 181/A 43124 Parma Italy Mechanical Post- Graduate Program Federal University of Rio Grande do Sul Sarmento Leite 425 CEP 90050-170 Porto Alegre Brazil

Fatigue behaviour of a fillet-welded tubular T-joint in the so-called H structural component of an agricultural sprayer is examined by using experimental strain measurements found in the literature and linear elastic finite element analyses. Two stress-based critical plane criteria are applied at a verification point located near the intersection between the end of brace and chord of the above-mentioned T-joint, where crack initiation and growth is experimentally observed.

关键词： agricultural sprayer critical plane-based criteria multiaxial fatigue non proportional loading T-joint

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