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Iberian Conference on Information Systems and Technologies (CISTI)

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

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.

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Impact of Urban Expansion on Superficial Water Quality in Periurban Areas

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Journal of Environmental Protection 2019年第12期10卷 1591-1601页

作者： Adriana Schueler Vinicius Perrut dos Santos Decio Tubbs Department of Architecture and Urbanism and Post Graduate Program in Territorial Development and Public Policies Universidade Federal Rural do Rio de Janeiro Seropédica Brasil Engineering and Architecture Project Coordination from Universidade Federal Rural do Rio de Janeiro Seropédica Brasil Department of Geoscience Universidade Federal Rural do Rio de Janeiro Seropédica Brasil.

Economic growth promoted by large investment projects in the city of Seropédica and surrounding areas is not accompanied by a territorial planning that supports future growth scenarios. The challenge of the municipality is to prepare to have its territory fully transformed. This study aimed to establish quantitative data on the interferences that the growth model practiced has caused in its main watercourse called Val?o dos Bois. For this, its morphometric characteristics and physicochemical parameters of water quality were measured, and computational simulations of the self-purification processes were performed at various points, as well as the infiltration and precipitation processes, surface flow and leaching in four occupation scenarios of the urbanized areas of the basin, for rains with five different return periods.

关键词： Water Recourses Urban Development Computer Simulation Sanitary Sewage

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Study of Machine Learning Techniques for Damage Identification in a Beam 10th

Study of Machine Learning Techniques for Damage Identifica...

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10th International Conference on Wave Mechanics and Vibrations, WMVC 2022

作者： da Silva Coelho, Jefferson de Sousa, Amanda Aryda Silva Rodrigues Machado, Marcela Rodrigues Dutkiewicz, Maciej Department of Mechanical Engineering University of Brasília Campus Universitário Darcy Ribeiro Faculdade de Tecnologia - Asa Norte DF Brasília Brazil Post-Graduate Program - Integrity of Engineering Materials University of Brasília Campus Universitário Darcy Ribeiro Faculdade de Tecnologia - Asa Norte DF Brasília70910-900 Brazil Faculty of Civil Environmental Engineering and Architecture University of Science and Technology Bydgoszcz85-796 Poland

ISBN: (纸本)9783031157578

Damage is defined as any change to the material, geometry or boundary condition that can modify the structure’s properties or response. In the past, damage identification was performed through periodical inspection, non-destructive testing/non-destructive evaluation, or visual observation. Structural health monitoring (SHM) has emerged to transition from offline damage identification to near real-time and online damage assessment. Hence, SHM is a damage detection strategy to monitor a structure for a period using a series of continuous measurement devices, which then collect the system’s characteristics and subsequently perform statistical analysis to assess the current circumstances and health of the structure. One of the first steps for the study of SHM is damage detection followed by monitoring. Machine Learning (ML) techniques can be used to develop viable algorithms to make potential predictions. ML algorithms are therefore providing the tools needed to enhance the capabilities of SHM systems and provide intelligent solutions to past challenges. Preliminary studies have reviewed that the extension of ML into SHM has dramatically increased the system’s capabilities, providing innovative solutions to different research challenges. This work conducts a study of the use of ML to identify damage in a beam and discuss the challenge of usage, performance and implementation of each technique. © 2023, The Author(s), under exclusive license to Springer Nature Switzerland AG.

关键词： Decision trees

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Numerical analysis of the influence of the contact boundary condition and specimen geometry on concrete compressive strength

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Procedia Structural Integrity 2023年 47卷 261-267页

作者： Caroline Bremm Luísa Inda Leandro Ferreira Friedrich Sabrina Vantadori Ignacio Iturrioz Luis Kosteski Engineering Post Graduation Program Federal University of Pampa Av. Tiaraju 810 Alegrete 97546-550 Brazil Civil Engineering Graduate Program Federal University of Pampa Av. Tiaraju 810 Alegrete 97546-550 Brazil Program of Mechanical Pos-Graduation Federal University of Rio Grande do Sul Sarmento Leite 425 Porto Alegre 90040-060 Brazil Department of Engineering & Architecture University of Parma Parco Area delle Scienze 181/A 43124 Parma Italy

In the present paper, the influence of the contact boundary condition and specimen geometry on the concrete compressive strength is numerically investigated by using a version of the Lattice Discrete Element Method (LDEM), implemented on Abaqus/Explicit. More precisely, two types of contact boundary conditions are considered and, for each of them, three different slenderness levels (height/width ratio - h/b) are analyzed (that is, h/b = 0.5, 1.0, and 2.0) by considering a square cross-section. Moreover, for h/b = 2.0, a circular cross-section is also examined. Two models are developed: one by using the LDEM and the other by using a hybrid model, combining Finite Elements and LDEs. The results show that both the boundary conditions and the sample geometry influence the axial compressive strength.

关键词： Abaqus concrete compressive strength Lattice Discrete Element Method (LDEM)

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Effect of Environmental Factors on Rock-inhabiting Fungal Communities from Brazilian Soapstone Samples

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Journal of Environmental Science and Engineering(B) 2017年第2期6卷 55-71页

作者： Douglas Boniek Lorena Vivien Neves de Oliveira Noelly de Queiroz Ribeiro Christiane Abreu Oliveira Paiva Ubiraci Gomes de Paula Lana Antonio Femando Batista dos Santos Maria Aparecida de Resende Stoianoff Post-Graduate Program in Microbiology Institute of Biological Sciences Federal University of Minas Gerais UFMG BeloHorizonte 31270-901 Brazil Embrapa Milho Sorgo Brazilian Agricultural Research Corporation Sete Lagoas 35701-970 Brazil Faculty of Engineering and Architecture Foundation of Education and Culture of Minas Gerais Belo Horizonte 30310-190Brazil Department of Microbiology Institute of Biological Sciences Federal University of Minas Gerais UFMG Belo Horizonte31270-901 Brazil

The present study aims to evaluate the environmental effect on fungal community composition associated with biodeterioration occurring in stones （soapstone） at two distinct locations in Minas Gerais State, Brazil： Congonhas city and Sanctuary of Cara^a. Four collections of fungal communities over one year were obtained from both research sites from the soapstone block surfaces exposed for over two decades. The molecular diversity profile of the fungal community at the two localities was obtained by DGGE （Denaturing Gradient Gel Electrophoresis）, and the genomes of the most representative population were sequenced. DGGE showed the formation of two clusters with filamentous fungal communities. Sequencing of the most representative bands revealed the presence of fungi associated with the biodeterioration of soapstone. In addition, many of the identified species were associated with photobionts that could generate lichens, indicating that environmental characteristics affect the occurrence of filamentous fungi, which leads to biodeterioration of stones. Authors＇ study focused on an environmental variation of an extreme habitat for fungi associated with soapstone in the state of Minas Gerais, Brazil and identified the presence of interesting rock-inhabiting fungal communities including species related to lichens, which can accelerate the deterioration of stones by the production of organic acids.

关键词： Fungal community biodeterioration soapstone cultural heritage Minas Gerais state.

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A Novel Non-Linear Peridynamic Model for Quasi-Brittle Materials Under Cyclic Loading

SSRN

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SSRN 2024年

作者： Friedrich, Leandro F. Colpo, Angélica B. Iturrioz, Ignacio Zanichelli, Andrea Vantadori, Sabrina Departament of Mechanical Engineering Federal University of Pampa Av. Tiaraju 810 AlegreteCEP 97546-550 Brazil Mechanical Post-Graduate Program Federal University of Rio Grande do Sul Sarmento Leite 425 Porto AlegreCEP 90050-170 Brazil Department of Engineering & Architecture University of Parma Parco Area delle Scienze 181/A Parma43124 Italy

In the present paper, a novel non-linear peridynamic (PD) model is proposed to numerically simulate the fatigue behaviour of quasi-brittle materials. The model implements a non-linear degradation law for the bonds, function of the number of loading cycles. More precisely, a calibration function and a calibration parameter are included in such a law. The novel PD model is applied to simulate cyclic three-point bending experimental tests performed on concrete notched beams, and available in the literature. The results are presented in terms of fatigue lifetime, Paris law parameters and crack path. © 2024, The Authors. All rights reserved.

关键词： Bending tests

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Developing Tourism Attractions Based on Ecotourism in Aek Nauli Indonesia

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IOP Conference Series: Earth and Environmental Science 2020年第1期452卷

作者： N Ginting E Triska Architecture Department Faculty of Engineering Universitas Sumatera Utara Medan 20155 Indonesia Post Graduate Program of Architecture Faculty of Engineering Universitas Sumatera Utara Medan 20155 Indonesia Toba Lake and Sustainable Tourism Working Group Universitas Sumatera Utara Medan 20155 Indonesia

Tourism development is needed because tourism can increase an income in a destination. Ecotourism is a new type of tourism that responsible towards nature, community, and the environment. Ecotourism draws more tourist's interest because besides giving natural tourism experience, they can learn to conserve the nature and involve with the community. Aek Nauli Natural Forest has been opened for public since 2011. However, the tourism is not developing despite of its attraction's potential. This research is focusing on natural attraction as one of the elements of tourism attraction. The aim of this research is to find tourist attractions that have the potential to be developed based on ecotourism in Aek Nauli. This research uses a qualitative method by conducting observation and in-depth interview with key respondents. The result of this research is a concept of potential attraction development based on ecotourism in Aek Nauli.

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Place attachment of the ecotourism in Sicanang Mangrove

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IOP Conference Series: Earth and Environmental Science 2020年第1期452卷

作者： Nurlisa Ginting Christi Rayani Siregar Architecture Department Faculty of Engineering Universitas Sumatera Utara Medan 20155 Indonesia Post Graduate Program of Architecture Faculty of Engineering Universitas Sumatera Utara Medan 20155 Indonesia Toba Lake and Sustainable Tourism Working Group Universitas Sumatera Utara Medan 20155 Indonesia

Ecotourism is not only as a tourist activity nowadays, but has become an activity that contains economic elements, as well as efforts to conserve natural resources and the environment. In regional development, ecotourism focuses on the quality of physical components, but the emotion of place attachments are not adequately considered. To find out the emotional of place attachments on ecotourism, this research was conducted in the mangrove ecotourism area with data collection techniques, namely field observations which were then supported by the distribution of questioners to the community (50) and tourists (50). The results of this study are perceptions between tourists and the local community about emotional of place attachments to the Sicanang Mangrove Forest Ecotourism.

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The uniqueness of the environmental aspects of sustainable tourism on Samosir Island

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IOP Conference Series: Earth and Environmental Science 2020年第1期452卷

作者： Nurlisa Ginting Michaela Architecture Department Faculty of Engineering Universitas Sumatera Utara Medan 20155 Indonesia Post Graduate Program of Architecture Faculty of Engineering Universitas Sumatera Utara Medan 20155 Indonesia Toba Lake and Sustainable Tourism Working Group Universitas Sumatera Utara Medan 20155 Indonesia

The dominance of economic values in the tourism development has caused the decline of other important values, thus make the application of sustainability concept is crucial. As part of Indonesia's priority destinations, this concept is also needed to be applied in Samosir Island. In other hand as a tourism destination, a place must have distinctiveness to differentiate it from other places because tourism is fundamentally a recreational product based on place phenomenon. The research is a study of the value of uniqueness on the environmental elements of sustainable tourism in Samosir Island, North Sumatra, Indonesia. The research used mixed methods where questionnaires were distributed to 105 respondents, field observation was conducted, and in-depth interviews were held with six key informants. The result shows that the existence of the traditional building has a great influence towards the physical integrity of the tourist while the diverse cultural activities in the areas required appropriate strategies in enhancing and supporting the environmental elements of sustainable tourism.

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Performance assessment design based on problem based learning for vocational high school students skills competency geomatics engineering

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AIP Conference Proceedings 2022年第1期2489卷

作者： Reni Nuril Komari Sudjani Sudjani Johar Maknun 1Technology and Vocational Education Post Graduate Program Universitas Pendidikan Indonesia Bandung Indonesia 2Department of Civil Engineering Education Universitas Pendidikan Indonesia Bandung Indonesia 3Department of Architecture Engineering Education Universitas Pendidikan Indonesia Bandung Indonesia

The study of performance assessment based on problem based learning not only done in the field of technical vocational education but also in the health education, economic education, environmental education. The development of performance assessment based on problem based learning is still rare in vocational schools. Using 2013 curriculum which is required to use 21st century learning strategies, one of which is Problem Based Learning (PBL). Performance assessment is said by its advocators to be more in line with instruction than multiple-choice tests. Performance assessment is seen as having a better possibility of measuring more complex skills and communication. This article aims to design based performance assessment based on problem based learning using design based research method. The validation used in this article is expert judgement. The result of the study revealed that the cronbach alpha valu for the entire measurment scale was 0.97. The cronbach alpha value is between 0.8 to 1.00. Therefore , design performance assessment based on problem based learning has a good reability. This article aims to find out how to design performance assessment based on problem based learning for students geomatics engineering. This article provide an overview of the development of design performance assessment based on problem based learning for vocational students.

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