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ORGANIZING THE RECOGNIZED CONCEPTS OF THE WORK MIND BY SELF-ORGANIZING MAP − Comprehensive indicators that contribute to design and operate a better workplace −

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AIJ Journal of Technology and Design 2022年第70期28卷 1390-1395页

作者： Ishiyama, Nozomi Matsumoto, Yuji Doctoral Program of Engineering Design Graduate School of Science and Technology Kyoto Institute of Technology Japan Faculty of Design and Architecture Kyoto Institute of Technology Japan

The purpose of this study is to focus on the indicators related to motivation in the Work Mind, and to organize the concepts by Pile Sort experiments using the sentences of the question items that compose each indicator. By polymerizing the personal conceptual system by Self-Organizing Map, the map of the Work Mind with some degree of completeness and generality is drawn. It is expected that this map will be a material for getting the general picture of the Work Mind and will be treated as a ruler when designing and operating a better workplace. © 2022 Architectural Institute of Japan. All rights reserved.

关键词： Piles

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Airfoil optimization for small horizontal axis wind turbine

Renewable Energy and Power Quality Journal

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Renewable Energy and Power Quality Journal 2021年 19卷 505-510页

作者： Rojas, Cristhian Leonardo Pabón Suarez, Carlos Andrés Trujillo Rico, Juan Carlos Serrano Serrano, Elkin Gregorio Flórez Mechanical Engineering Program Engineering Faculty Universidad de Antioquia Medellín Colombia Mechanical Engineering Program Faculty of Engineering and Architecture Universidad de Pamplona Pamplona Colombia

In order to take advantage of the low wind speed found in the Colombian territory, a gradient-based optimization process (GBA) of 2 airfoils is carried out, using the Xfoil software to evaluate the interactions. The shapes chosen will be destined for the root and for the middle zone of a blade for a small horizontal axis wind turbine (sHAWT). The blade will be created from the calculation of the chord and pitch angle with the blade element momentum methodology (BEM) and the SHAWT will be tested by CFD software to check its performance. As a preliminary result, a root-bound airfoil has been obtained with a higher performance than the airfoil used as a bases. © 2021, European Association for the Development of Renewable Energy, Environment and Power Quality (EA4EPQ). All rights reserved.

关键词： Airfoils

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The Concept of Sustainability in the Formation of Unplanned Settlement Spaces in Depok Lama, West Java 1

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AUA Academic Conference in conjunction with 5th International Conference on Strategic and Global Studies, AUA and ICSGS 2021

作者： Rakhmanita Purwanto, Edi Rukayah, R. Siti Rahman, Arief Doctoral Program in Architecture and Urban Sciences Diponegoro University Semarang Indonesia Department of Architecture Faculty of Engineering Diponegoro University Semarang Indonesia Department of Architecture Faculty of Civil Engineering and Planning Gunadarma University Depok City Indonesia

ISBN: (数字)9783030999797

ISBN: (纸本)9783030999780

As a village that later developed into an area that resembled a colonial city at that time, Depok Lama had a concept of residential space that was different from the colonial settlements that existed during the Dutch colonial period. In other colonial settlements, the concept of settlement was the result of a design from the Dutch government, in the Depok Lama settlement the concept of residential space was formed from the activities of citizens directed by a will. This method is used to find a detailed picture based on facts about the beginning of the formation of Depok lama settlement through collecting Depok Lama maps, Chastelein's will, and observing city artifacts. The results of this study note that the concept of space that was applied at the beginning of the formation of the Depok Lama settlement was an unplanned concept of sustainability, prioritizing easy access to various main facilities in the Depok Lama settlement, forming a comfortable environment for the residents of Depok Lama in building their lives and improving they socio-economic quality. © 2022, The Author(s), under exclusive license to Springer Nature Switzerland AG.

关键词： Sustainable development

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Evaluation of the performance of demand control ventilation system for school buildings located in the hot climate of Saudi Arabia

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Building Simulation 2022年第6期15卷 1067-1082页

作者： Alaa Alaidroos Ayad Almaimani Moncef Krarti Ammar Dahlan Rahif Maddah Architectural Engineering Department King Abdulaziz UniversityRabighSaudi Arabia Faculty of Architecture and Planning King Abdulaziz UniversityJeddahSaudi Arabia Building Systems Program University of Colorado BoulderBoulderCOUSA

The advantages of the demand control ventilation system(DCV)have been widely discussed in previous research ***,the literature has not addressed the benefits of DCV on controlling indoor CO_(2)concentration and minimizing cooling energy consumption for school buildings located in extremely hot ***,this paper contributes to the development of DCV and mechanical ventilation systems through a comprehensive evaluation of these systems to maintain acceptable indoor air quality(IAQ)while minimizing cooling energy demands for school buildings located in the harsh hot climate of Saudi *** evaluation is based on a calibrated whole-building energy model and validated IAQ predictions using field data obtained from a school case study in *** results of this research study confirm that hourly and sub-hourly monitoring of indoor CO_(2)concentration is required to ensure optimal design and operation of the ventilation systems in *** addition,the analyses indicate that a 13%increase in cooling energy end-use can result for any additional 0.1 students/m^(2)density increase in the ***,the energy penalties related to ventilation needs can be reduced by up to 25%using DCV instead of conventional mechanical ventilation systems for school buildings located in Saudi Arabia’s hot climate.

关键词： mechanical ventilation demand control ventilation(DCV) indoor air quality(IAQ) CO_(2)concentration energy efficiency school buildings

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The actual condition of the support projects for vacant house utilization in tokyo’s 23 wards: Case study of 5 wards introduced the support projects by 2018

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AIJ Journal of Technology and Design 2021年第65期27卷 429-433页

作者： Mishina, Yu Fujiga, Masato Graduate School of Engineering Architecture Program Kogakuin Univ. Kogakuin Univ.

This study analyzed the actual condition of the support projects for vacant house utilization in Tokyo’s 23 wards. As a result of interview researches in five wards set up this support projects, the subsidies per year are low, so this support was shown to be determinative. The activities of this subsidized organizations differed between wards. In addition, this subsidies were only for supplementing facility maintenance such as interior renovation, and subsidies were applied to vacant rooms instead of vacant houses. © 2021 Architectural Institute of Japan. All rights reserved.

关键词： Houses

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A STUDY ON DYNAMIC RESPONSE DISPLACEMENT MEASURING METHODS FOR BUILDING UNDER EARTHQUAKE USING SATELLITE TECHNOLOGY WITH TWO MOVABLE VIBRATION TABLES

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AIJ Journal of Technology and Design 2024年第74期30卷 65-70页

作者： Hashimoto, Akihiro Mukai, Tomohisa Tajima, Kazuyuki Nakamura, Akihiro Ariki, Katsuyoshi Kinugasa, Hideyuki Dept. of Architecture Graduate School of Science and Technology Tokyo Univ. of Science Japan Building Dept. National Institute for Land and Infrastructure Management Program Management Division Ground Facilities Dept. The Japan Aerospace Exploration Agency Dept. of Structural Engineering Building Research Institute Dept. of Structural Engineering Building Research Institute Urban Renaissance Agency Japan Dept. of Architecture Faculty of Science and Technology Tokyo Univ. of Science Japan

In recent years, research has been conducted to establish a method for quickly and appropriately determining damage to buildings during an earthquake using sensors, and it’s useful to appropriately evaluate the maximum and residual displacement during an earthquake. The purpose of this study is to propose a disaster assessment method using a satellite positioning system that directly measures the response displacement of a building from satellite positioning information. In this paper, the positioning accuracy is verified when calculating the relative displacement using two movable vibration tables that assume the top floor of a building and the ground surface under earthquake. © 2024 Architectural Institute of Japan. All rights reserved.

关键词： Earthquakes

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Territorial Ecological Restoration with a High-carbon Storage Focus in the Beibu Gulf Urban Agglomeration of China:Insights from Carbon Metabolism Spatial Security Patterns

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Chinese Geographical Science 2025年第1期35卷 73-91页

作者： QIN Menglin LIU Yuting TAN Qianxi ZHU Ziming WU Xinyu JIANG Hongbo LI Hang SHI Qianqian School of Civil Engineering and Architecture Guangxi UniversityNanning 530004China School of Forestry Guangxi UniversityNanning 530004China Ecosystem Science and Management Program University of Northern British ColumbiaPrince George V2N 4Z9Canada Zhuhai Institute of Planning and Design Zhuhai 519000China

This study focuses on urgent research on restoring and enhancing carbon storage capacity in the Beibu Gulf Urban Agglomer-ation of China,a key area in the‘Belt and Road’Initiative,which aligns with carbon peaking and neutrality *** research ana-lyzes the spatial characteristics of carbon metabolism from 2000 to 2020 and uses models to identify stable carbon sink areas,positive carbon flow corridors,and carbon sequestration *** goal is to construct a carbon metabolism spatial security pattern(CMSSP)and propose territorial ecological restoration strategies under different development demand *** results show the following:1)in 2020,the study area’s carbon sink decreased by 8.29×10^(4) t C/yr compared with that in 2010 and by 10.83×10^(4) t C/yr compared with that in ***-carbon sinks were found mainly in mountainous areas,whereas low-carbon sinks are concentrated in urban con-struction land,rural residential areas,and land margins.2)From 2000 to 2020,the spatial security pattern of carbon metabolism tended to be‘high in the middle of the east and west and low in the gulf.’In 2000,2010,and 2020,16 stable carbon sinks were *** carbon energy flow density in Guangxi was greater than that in Guangdong and Hainan,with positive carbon flow corridors located primarily in Guangxi and *** number of carbon sequestration nodes remained stable at approximately 15,mainly in Guangxi and Hainan.3)Scenario simulations revealed that under the Nature-based mild restoration scenario,the carbon sink rate will reach 611.85×10^(4) t C/yr by 2030 and increase to 612.45×10^(4) t C/yr by 2060,with stable carbon sinks increasing to *** the restora-tion scenario based on Anti-globalization,the carbon sink will decrease from 610.24×10^(4) t C/yr in 2030 to 605.19×10^(4) t C/yr in 2060,with the disappearance of some positive carbon flow corridors and stable carbon *** the Human-based sustainable restoration scenario,the carbon sink area wil

关键词： carbon metabolism spatial security pattern(CMSSP) territorial ecological restoration carbon sink carbon storage capacity Beibu Gulf Urban Agglomeration,China

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Leaching behavior of sustainable concrete made with coal ash wastes as replacement of cement and sand

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Environmental Science and Pollution Research 2024年第52期31卷 61437-61450页

作者： Rafieizonooz, Mahdi Kim, Jang-Ho Jay Khankhaje, Elnaz Rezania, Shahabaldin School of Civil and Environmental Engineering Yonsei University Yonsei-Ro 50 Seodaemun-Gu Seoul03722 Korea Republic of Architectural Engineering Program School of Architecture Seoul National University of Science and Technology 232 Gongneung-Ro Gongneung-Dong Nowon-Gu Seoul01811 Korea Republic of Department of Environment and Energy Sejong University Seoul05006 Korea Republic of

The coal-fired power plant fly ash (FA) and bottom ash (BA) are gradually used as alternative materials in the concrete. However, knowledge of the leaching characteristics of using both incinerator ashes in concrete production is lacking. This work aimed to evaluate the leaching behavior of the FA and BA used in concrete production by employing batch and tank leaching tests. The outcomes of both leaching tests showed that there was no considerable leaching of any trace elements to the environment, and it remains much lower than standard limitations for utilization as construction materials. The results of cumulative mass discharge showed that the slope of flux time for all elements was less than 0.4 and because of that, primary surface wash-off was the main discharge process of all the heavy metals. Strength test results revealed that there was not much difference between coal ash concrete (CAC) and the control mix at the initial age of curing time. Despite that, at a long period of curing time (180 days), the compressive strength of CAC containing 20% FA as cement replacement and 100% BA as fine aggregate replacement increased by 76% due to the pozzolanic reaction of BA and FA in comparison to the normal concrete, while, due to the high porosity of BA, the workability of CAC decreased by 50%. The outcomes of the current work revealed that the combined use of FA and BA can be counted as a promising alternative in the production of sustainable concrete for structural applications toward sustainable development. Graphical abstract: (Figure presented.) © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2024.

关键词： Trace elements

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A multidisciplinary approach to authentic learning experiences for nature-based solutions design: broadening the monkey cheeks

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Australasian Journal of engineering Education 2022年第1期27卷 47-63页

作者： Irvine, Kim Likitswat, Fa Suwanarit, Asan Koottatep, Thammarat Faculty of Architecture and Planning Thammasat University Khlong Luang Thailand School of Energy Resources and Development Environmental Engineering and Management Program Asian Institute of Technology Khlong Luang Thailand

Students in a Landscape architecture studio at Thammasat University and an Environmental engineering class at Asian Institute of Technology joined to develop and assess Nature-based Solution designs for a pond/wetland system in peri-urban Bangkok. The Landscape architecture class first developed their design visions and subsequently their designs were introduced to the engineering students through on-line presentations and collaborative on-site investigations. The engineering students used combinations of water quality sampling, static calculations, and application of a conceptual, dynamic urban hydrology model to assess design performance. The engineering students effectively incorporated some aspects of the architectural designs into their assessments, particularly those related to constructed wetlands for water quality improvement. Application of the dynamic model for water quantity assessments and provision of project cost estimates proved more challenging. Course evaluations indicated that students in both classes gained a better appreciation of the multidisciplinary process necessary for successful water resource planning, but also would prefer even greater interaction between the disciplines. Planned pedagogical improvements, including introduction of Steinitz’ Framework for Theory, are discussed. ©, Engineers Australia.

关键词： Students

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Strategies for Selecting Infilled Frame Models for Seismic Performance: Meso and Macro Models 7th

Strategies for Selecting Infilled Frame Models for Seismic P...

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7th International Conference on architecture and Civil engineering, ICACE 2023

作者： Hapsari, Isyana Ratna Kristiawan, Stefanus Adi Sangadji, Senot Gan, Buntara Sthenly Doctoral Program Civil Engineering Department Faculty of Engineering Universitas Sebelas Maret Surakarta Indonesia SMARTCrete Research Group Civil Engineering Department Faculty of Engineering Universitas Sebelas Maret Surakarta Indonesia SMARTQuake Research Group Civil Engineering Department Faculty of Engineering Universitas Sebelas Maret Surakarta Indonesia Department of Architecture College of Engineering Nihon University Tokyo Japan

ISBN: (纸本)9789819707508

When laboratory testing is inconvenient, numerical modelling of infilled frames is required in order to represent the elastic and inelastic behaviour of these structures. However, the choice of model is very complex, as an infilled frame is made up of various materials such as bricks, mortar, concrete and reinforcements. The most accurate approach to modelling is a technique that is capable of representing the actual behaviour of the structure. In this study, we carry out numerical analysis and compare two modelling techniques, meso and macro modelling, in terms of the structural response produced. A meso model of an infilled frame has the advantage of capturing the detailed local behaviour of the panels, but has disadvantages such as complexity and high computational load. The accuracy of the structural response modelled with a meso approach is shown to have a similarity of 98% with the test results. In contrast, macro modelling using diagonal struts can significantly reduce the analysis time without compromising the accuracy of the results. This method can also accurately reproduce the nonlinear global structural behaviour. The disadvantage of this type of model is that the resulting structural response cannot represent the local damage to the masonry panel in detail. The similarity between the behaviour of the macro model and the experimental results is shown to be 104%. We find that a meso model of the infilled frame is more responsive to the initial variables derived from test results for the materials used in the structure. This is obvious in the initial stages of creating a meso model based on test data on masonry panels, as the structural response is much closer to the test results than that of the macro model. This may be because the geometric and mechanical behaviour of the meso model is closer to the actual conditions. The damaged states of the infilled frame based on the local behaviour in the meso model are related to the structural-nonstructural elemen

关键词： Structural frames

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