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Assessing the values-based context of conservation for modern architectural heritage: a study on the Headquarters Building of the TR 17th Regional Directorate of Highways Complex, Istanbul

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JOURNAL OF ARCHITECTURAL CONSERVATION 2021年第1-2期27卷 84-103页

作者： Durusoy Ozmen, Elifnaz Omay Polat, Ebru Yildiz Tech Univ Dept Architecture Bldg Survey & Restorat Program Istanbul Turkey

This article contributes to the debate on modern architectural heritage by emphasizing the values-based context of conservation. Considering the abstractness of the concepts and the clarity of realities, the paper tries to introduce the uncertainty of the valuation phase for the conservation of modern architectural heritage by presenting a remarkable case study: The Headquarters Building of the Turkish Republic (T.R.) 17th Regional Directorate of Highways Complex, Istanbul. Designed by Mehmet Konuralp in 1973, the Headquarters, as one of the first skyscrapers in Istanbul presenting the basic qualities of modernism, was listed as an architectural asset in 2004 based on its art-design, artistic-technical, social, and symbolic values. However, it fell victim to a series of decisions taken by administrative authorities on the grounds that the attributed values are not worth protecting. Through a comprehensive analysis of the Headquarters, this study intends to demonstrate the incomplete understandings of modern architectural heritage and its values, as well as to present a discussion concerning similar cases at risk. As a concluding remark, the existing values-based approach of conservation for the modern architectural heritage calls into question and some initial possibilities are proposed to raise awareness.

关键词： Values conservation modern architectural heritage the Headquarters Building of the T R 17th Regional Directorate of Highways Complex Istanbul

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Mechanical and microstructure analysis of mass-stabilized organic clay thermally cured using a ternary binder

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ACTA GEOTECHNICA 2024年第2期19卷 741-762页

作者： Nunez, Victor Lotero, Andres Bastos, Cezar Augusto Sargent, Paul Consoli, Nilo Cesar Univ Fed Rio Grande do Sul Grad Program Civil Engn BR-90035190 Porto Alegre RS Brazil Univ Fed Rio Grande BR-96203295 Rio Grande RS Brazil Ulster Univ Belfast Sch Architecture & Built Environm Belfast BT15 1ED North Ireland

The technique of mass soil stabilization using alternative binders to Portland cement (PC) has been used successfully in the past. However, knowledge gaps exist regarding the design of these binders. Ground-granulated blast furnace slag (GGBS) has been widely used as a substitute for PC;however, it requires an alkaline activator (e.g. lime and PC) to promote pozzolanic reaction and strength enhancement. A candidate that presents a less energy-intensive manufacturing and carbon footprint is carbide lime (CL), a by-product of acetylene gas production, rich in Ca(OH)(2). The main problem with the pozzolanic binder in the stabilization technique is its slow reaction kinetics and the long time required for laboratory-scale investigations before in situ application. Therefore, this research presents a dosing study of a ternary binder (TB) comprising CL, GGBS and PC type III (CEM-III) to mass-stabilize a clayey organic soil using thermal curing as an innovative technique to improve the feasibility of laboratory-scale investigations. The effects of binder composition and thermal curing time on the evolution of strength, stiffness, mineralogy, and microstructure were determined. The results, supported by a statistical analysis (ANOVA) and by a multivariate regression analysis (MRA), have shown that the new TB produced a superior mechanical response to soil samples stabilized exclusively with CEM-III. This was evidenced by a less porous microstructure (more reaction products) and mainly the formation of a C-A-S-H gel, as a product of CEM-III hydration and alkaline activation of GGBS (blended cement), whereby the CL content played a key role for the development of the long-term pozzolanic reaction.

关键词： Carbide lime Ground-granulated blast furnace slag Mass stabilization Organic clayey soil Thermal curing

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Evolution of Launch Strategies for Assured Access to Space 73

Evolution of Launch Strategies for Assured Access to Space

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73rd International Astronautical Congress, IAC 2022

作者： Gujral, Akhil Goyal, Vinay K. Conley, Doug Kendall, Randolph Broussinos, Peter Strizzi, Jon Launch Systems Division The Aerospace Corporation The Aerospace Corporation Launch and Architecture Operations The Aerospace Corporation The National Security Space Launch Program

The United States Space Force (USSF) launch enterprise offers a mix of small to super-heavy launch capabilities serving a wide variety of warfighter and intelligence community needs. The Aerospace Corporation has been supporting the USSF National Security Space Launch (NSSL) program for many decades, making significant contributions to its record of 100% launch success. The Aerospace Corporation and USSF are developing a launch strategy to more effectively support Assured Access to Space (AATS) and Space Access, Mobility, and Logistics (SAML), and other high priority needs without adversely impacting the reliability of launch of high-value national security payloads. The strategic shift is driven by space threats and by the need for rapid, responsive deployment of capabilities on-demand. The recent influx of new and emerging launch vehicles is a game changer. Given the framework of accelerated development programs at the lowest possible cost and the high projected cadence of commercial launches, it is crucial to develop a workable mission assurance model that can support AATS and SAML needs. This paper describes the drivers for the strategic shift in the launch strategy, the value proposition of activities, and select lessons learned with corresponding examples in the areas of certification, acquisition, space standards, mission assurance non-recurring design validation (NRDV) efforts, and mission specific assessments conducted during the production phase. To support USSF goals, the launch strategy continues to evolve certification and acquisition strategies, enhance space standards, emphasize NRDV over mission-specific assessments, implement systematic approaches to reducing mission-specific assessments, explore new mission assurance models, and transition from a culture of heavy insight and oversight to one with greater responsibility and ownership on the part of launch service providers. Copyright © 2022 by The Aerospace Corporation.

关键词： Launch vehicles

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RESEARCH ON THE SPATIAL FEATURE OF NEIGHBORHOOD

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AIJ Journal of Technology and Design 2023年第73期29卷 1659-1664页

作者： Wakayama, Takahiro Kobayashi, Masami Graduated School of Science and Technology Architecture and Urbanism Program Meiji Univ. Japan School of Science and Technology Dept. of Architecture Meiji Univ. Japan

The purpose of the research is developing tool to visualize spatial feature of characteristic neighborhoods using notion of vertical building use and street network. Vertical building use is diagram that considers combination of composite uses which can be visualized by "Colored composite use diagram", and the evaluation of the network is considered by weighting slope of the terrain to the mediating centrality of road network. "Road three-dimensional graph" is created by integrating these two indices. This graph can visually reflect characteristics of architecture, roads, topography, and can be a tool for expressing the sequence of spatial characteristics of neighborhood. © 2023 Architectural Institute of Japan. All rights reserved.

关键词： Topography

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Phytoremediation of indoor formaldehyde by plants and plant material

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INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2023年第4期25卷 493-504页

作者： Khalifa, Abeer Ahmed Khan, Ezzat Akhtar, Muhammad Salim Univ Bahrain Coll Sci Environm & Sustainable Dev Program Sakhir Bahrain Univ Bahrain Coll Engn Dept Architecture & Interior Design Isa Town Bahrain Univ Bahrain Coll Sci Dept Chem Sakhir 32038 Bahrain Univ Malakand Dept Chem Chakdara Pakistan

Formaldehyde evolves from various household items and is of environmental and public health concern. Removal of this contaminant from the indoor air is of utmost importance and currently, various practices are in the field. Among these practices, indoor plants are of particular importance because they help in controlling indoor temperature, moisture, and oxygen concentration. Plants and plant materials studied for the purpose have been reviewed hereunder. The main topics of the review are, mechanism of phytoremediation, plants and their benefits, plant material in formaldehyde remediation, and airtight environmental and health issues. Future research in the field is also highlighted which will help new researches to plan for the remediation of formaldehyde in indoor air. The remediation capacity of several plants has been tabulated and compared, which gives easy access to assess various plants for remediation of the target pollutant. Challenges and issues in the phytoremediation of formaldehyde are also discussed. Novelty statement: Phytoremediation is a well-known technique to mitigate various organic and inorganic pollutants. The technique has been used by various researchers for maintaining indoor air quality but its efficiency under real-world conditions and human activities is still a question and is vastly affected relative to laboratory conditions. Several modifications in the field are in progress, here in this review article we have summarized and highlighted new directions in the field which could be a better solution to the problem in the future.

关键词： Formaldehyde phytoremediation plant-microorganisms association indoor air pollution plant material air quality

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Urban planning impact on summer human thermal comfort in Doha, Qatar

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BUILDING AND ENVIRONMENT 2024年 254卷

作者： Patel, Shikha Indraganti, Madhavi Jawarneh, Rana N. Qatar Univ Dept Architecture & Urban Planning PO 2713 Doha Qatar Qatar Univ Dept Humanities Appl Geog & GIS Program Doha Qatar

Urbanization entails extensive construction and substantial land use alterations, converting natural areas into residential, commercial, mixed-use and industrial. These alterations disrupt the land surface energy, impacting the land surface temperatures (LSTs). Elevated LSTs affect the thermal comfort of urban residents exerting pressure on the environment and ecosystems. This study investigates the repercussions of elevated LST on human thermal comfort, focusing on Doha municipality in Qatar for 2002-2003, 2013, and 2022, with a specific focus on summer temperatures. Utilizing remote sensing and Geographical Information Systems (GIS), we conducted an in-depth investigation, employing Landsat data along and GIS tools to create land use maps and LST pattern maps and establish a correlation between land use and LST. The findings reveal a notable increase in the built-up area of Doha municipality, predominantly at the expense of desert land and water bodies. The LST increases consistently by 0.65 degrees C annually, shifting human thermal comfort from "moderate" to "heat stress" from 2002 to 2013 and 2023 in all neighborhoods of Doha. Our comparison of LST between different urban areas indicates lower temperatures near water bodies and suburban developments and higher temperatures in downtown areas. Suburban developments exhibit a favourable impact in desert areas compared to compact developments. Our methodology of combining LST from remote sensing data with thermal comfort indices for more comprehensive and accurate estimation of outdoor thermal comfort can be applied in various geographies.

关键词： Land surface temperature Human thermal comfort Land use and land cover NDVI Remote sensing GIS Doha Qatar

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Computation of the greenery-sky-view factor in daylit buildings

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ARCHITECTURAL ENGINEERING AND DESIGN MANAGEMENT 2022年第6期18卷 850-869页

作者： Mangkuto, Rizki A. Paramita, Beta Inst Teknol Bandung Fac Ind Technol Bldg Phys Res Grp Jl Ganesha 10 Bandung 40132 Jawa Barat Indonesia Univ Pendidikan Indonesia Fac Technol & Vocat Educ Architecture Study Program Bandung Indonesia

The greenery-view factor has been recently proposed as a new, simple measure to assess the possibility of having visual access to view the outdoor greenery in a daylit building space, based on the constructed lines of sight. However, detailed expressions to compute the factor is yet to be provided, and correlations with the input variables are yet to be determined. This study aims to address those issues, by combining the 'no-greenery line' with the 'no-sky line' to create the greenery-sky-view factor (GSVF), which is the fraction of the floor area, at the eye-level height, from which the greenery and the sky are visible. Mathematical expressions to compute the GSVF are described for various scenarios involving the window-to-wall ratio, the elevation of the greenery, and the distance between the window and the greenery. Computations of 10,000 random combinations are performed to find the optimum input variables leading to the largest GSVF and to determine correlations between the input and output. Recommendations for design practice are provided based on the computation results.

关键词： Greenery-sky-view factor no-sky line view quality daylit space random computation

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Factors associated with variability in the melatonin suppression response to light: A narrative review

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CHRONOBIOLOGY INTERNATIONAL 2023年第4期40卷 542-556页

作者： Swope, Carolyn B. Rong, Shengliang Campanella, Carolina Vaicekonyte, Regina Phillips, Andrew J. K. Cain, Sean W. McGlashan, Elise M. Columbia Univ Grad Sch Architecture Planning & Preservat Urban Planning Program New York NY USA Delos Living LLC Delos Labs New York NY USA Monash Univ Turner Inst Brain & Mental Hlth Sch Psychol Sci Melbourne Vic Australia Columbia Univ Grad Sch Architecture Planning & Preservat Urban Planning Program 659 Schermerhorn Hall1180 Amsterdam Ave New York NY 10027 USA Monash Univ Turner Inst Brain & Mental Hlth Sch Psychol Sci 1-270 Ferntree Gully RdNotting Hill Melbourne Vic 3168 Australia

Light is the main environmental signal synchronizing circadian rhythms to the 24-hour light-dark cycle. Recent research has identified significant inter-individual variability in the sensitivity of the circadian system to light as measured by, among other indicators, melatonin suppression in response to light. These inter-individual differences in light sensitivity could result in differential vulnerability to circadian disruption and related impacts on health. A growing body of experimental evidence points to specific factors which are associated with variability in the melatonin suppression response;however, no review to date has summarized this research to present a comprehensive summary of current knowledge. The aim of this review is to provide an overview of the state of this evidence, which to date spans demographic, environmental, health-related, and genetic characteristics. Overall, we find that there is evidence of inter-individual differences for the majority of the characteristics examined, although research on many factors remains limited. Knowledge of individual factors that are linked to light sensitivity could inform improved lighting personalization, as well as the use of measures of light sensitivity to determine disease phenotypes and treatment recommendations.

关键词： Circadian light sensitivity melatonin suppression sleep variability

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Evolution in Design Methodology for Complex Electric Ships

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JOURNAL OF SHIP PRODUCTION AND DESIGN 2021年第4期37卷 215-227页

作者： Bucci, Vittorio Sulligoi, Giorgio Chalfant, Julie Chryssostomidis, Chryssostomos Univ Trieste Dept Engn & Architecture Trieste Italy MIT Sea Grant Coll Program 77 Massachusetts Ave Cambridge MA 02139 USA

Modern ships are highly complex technological systems and have a long and resource intensive development cycle. Moreover, the final design must comply with many specific technical and regulatory requirements while constraining the capital and operational expenditures. Decisions made during the early stages of design have a large impact on ship functionality and determine the overall configuration of the ship;the advanced computational resources available today can be used to change the traditional approach to ship design, significantly improving the data available for these early-stage decisions. Moreover, the new methodologies can improve the ability to assess the impact of innovative technologies such as those inherent in the complete electrification of ships, and can simultaneously allow visualization of a three-dimensional (3D) virtual prototype of the designs. In this article, a methodological approach is presented that exemplifies these advantages.

关键词： Ship design computer systems integration digital twin virtual prototype

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Measurement of key performance indicator Green Supply Chain Management (GSCM) in palm industry with green SCOR model

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Materials Today: Proceedings 2022年 63卷 S326-S332页

作者： Rosyidah, Masayu Khoirunnisa, Ninin Rofiatin, Umi Asnah, Asnah Andiyan, Andiyan Sari, Dyana Industrial Engineering Study Program Universitas Muhammadiyah South Sumatra Palembang 30263 Indonesia Agribusiness Study Program Faculty of Agriculture University of Tribhuwana Tunggadewi East Java Malang 65144 Indonesia Master of Agricultural Economics Postgraduate School of University of Tribhuwana Tunggadewi East Java Malang 65144 Indonesia Architecture Study Program Faculty of Science and Engineering Universitas Faletehan West Java Bandung 40266 Indonesia

SCOR (Supply Chain Operations Reference) model is a tool for diagnosing Supply Chain Management (SCM) that allows users to understand all processes in a business organization. This study aimed to analyze activities related to Green Supply Chain Management (GSCM), especially in the palm oil sector, and to determine the performance of Green Supply Chain Management (GSCM) at PT. Sutopo Lestari Jaya using the green score model. The results showed that the highest Green Objectives (GO) weight in environmentally friendly garden management was located on protected forest land used as plantation land by 38.82%, while waste minimization was found in Crude palm oil water content of 48%. Meanwhile, in minimizing and handling greenhouse gas emissions, the highest weight is found in the amount of fuel used in Fresh Fruit Bunch (FFB) shipments of 54.07%. For plantation management and palm oil management mills, the highest weight is in the percentage of water use per ton of FFB in PPKS 60.7%, while in waste management, the highest percentage lies in the standardized wastewater Biological Oxygen Demand (BOD) of 38.8%. In maximizing the use of new and renewable energy, the highest weight lies in renewable energy per tonne of FFB and the use of solid waste (empty shells and shells) as a substitute for fossil fuels of 45.5% each. © 2022

关键词： Palm oil

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