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Improving the structural efficiency of textured threedimensional concrete printing wall by architectural design

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Frontiers of Structural and Civil Engineering 2024年第5期18卷 699-715页

作者： Wannapol SADAKORN Santirak PRASERTSUK Lapyote PRASITTISOPIN Architectural Technology Research Unit Department of ArchitectureFaculty of ArchitectureChulalongkorn UniversityBangkok 10330Thailand faculty of architecture and Planning Thammasat UniversityPathumthani 12121Thailand

Three-dimensional concrete printing(3DCP)technology begins to be adopted into construction application *** studies have focused on producing a higher concrete quality and offering a user-friendly construction ***,the 3DCP construction cost is unlikely to be lower than that of conventional construction,which is especially important for projects where the cost is *** broaden the 3DCP construction applications,reduction of the quantity of 3DCP material usage is *** work aims to perform structural analysis of several patterns of geometric textured 3DCP shell wall structures.21 different cantilevered textured patterns of 3DCP shell wall structures were architecturally designed and then subjected to structural analysis by a finite element method(FEM).The results indicated that by designing appropriate patterns,the structural performance to weight ratio could be improved up to 300%.The study therefore offers an innovative design process for constructing 3DCP housing and suggests preconstruction analysis methods for 3DCP shell wall structures.

关键词： 3D printing concrete architectural design shell wall finite element method

Assessing the socio-cultural impact of urban revitalisation using Relative Positive Impact Index(RPII)

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Built Heritage 2024年第1期8卷 67-83页

作者： Shahim Abdurahiman A.K.Kasthurba Affa Nuzhat Department of architecture and Planning National Institute of Technology CalicutKozhikodeKeralaIndia faculty of architecture Avani Institute of DesignThamarasseryKozhikodeKeralaIndia

Urban heritage is a vital resource that connects communities to their local *** developments and rapid urbanisation often harm the authenticity of historic areas,disrupting the cultural fabric and altering their *** study introduces the Relative Positive Impact Index(RPll),a novel technique for assessing the socio-cultural impacts of urban *** significance of RPII lies in its ability to quantitatively evaluate the impacts on the cultural fabric and integrity of historic urban areas,which is crucial for sustainable urban *** study's objective is to apply RPII in evaluating qualitative socio-cultural characteristics in historic urban areas,with a focus on four main criteria and 16 sub-criteria,in the case of the Kuttichira *** methodology integrates the analysis of published literature,a quantitative survey mapping the stakeholders'perception,and qualitative *** approach facilitates an in-depth understanding of how urban revitalisation affects local socio-cultural dynamics,preserving the authenticity and character of historic *** study reveals that the revitalisation project in Kuttichira positively impacts the socio-cultural fabric of the area,maintaining cultural integrity and addressing social *** findings offer valuable insights for sustainable urban development and policymaking in historic *** study recommends the application of RPll in other urban precincts for comparative analysis and further development of urban development practices,contributing to informed urban policy and planning decisions.

关键词： urban revitalisation socio-cultural impact relative positive impact index urban heritage sustainability

Mathematical beauty and Palladian architecture:Measuring and comparing visual complexity and diversity

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Frontiers of Architectural Research 2024年第4期13卷 729-740页

作者： Ju Hyun Lee Michael J.Ostwald School of Built Environment Faculty of ArtsDesign&ArchitectureThe University of New South WalesSydneyNSW 2052Australia

Palladio’s design principles,including proportion and harmony,have often been associated with mathematical definitions of ***,the geometric and semantic properties of his fac¸ades have rarely been analysed in a holistic *** is little evidence of how mathematical beauty may be embodied in his *** research investigates complexity(fractal dimension or D)and diversity(perplexity or PP)as aesthetic indices,aiming to capture distinct characteristics of Palladian *** D and PP values of 22 Palladian villa fac¸ades are measured and analysed,before being compared with those of three Renaissance facades by Sebastiano *** combination of D and PP captures the geometric and semantic aesthetic qualities of architectural ***,the developed scatter plot of D and PP results supports the identification of four distinct aesthetic types of Palladian fac¸ade *** novel combination of D and PP measures contributes to a better understanding of one definition of the mathematical beauty of architecture,wherein“the whole is other than the sum of the parts”in compositional terms(a famous Gestalt principle).Specifically,this research provides new mathematical insights into the visual character of Palladian architecture and compares two important measures thereof.

关键词： Palladian architecture Complexity Diversity Mathematical beauty Perplexity Fac¸ade design

Adaptive Segmentation for Unconstrained Iris Recognition

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Computers, Materials & Continua 2024年第2期78卷 1591-1609页

作者： Mustafa AlRifaee Sally Almanasra Adnan Hnaif Ahmad Althunibat Mohammad Abdallah Thamer Alrawashdeh faculty of architecture and design Al-Zaytoonah University of JordanAmman11733Jordan faculty of Computer Studies Arab Open UniversityRiyadh11681Saudi Arabia faculty of Science and Information Technology Al-Zaytoonah University of JordanAmman11733Jordan

In standard iris recognition systems,a cooperative imaging framework is employed that includes a light source with a near-infrared wavelength to reveal iris texture,look-and-stare constraints,and a close distance requirement to the capture *** these conditions are relaxed,the system’s performance significantly deteriorates due to segmentation and feature extraction ***,a novel segmentation algorithm is proposed to correctly detect the pupil and limbus boundaries of iris images captured in unconstrained ***,the algorithm scans the whole iris image in the Hue Saturation Value(HSV)color space for local maxima to detect the sclera *** image quality is then assessed by computing global features in red,green and blue(RGB)space,as noisy images have heterogeneous *** iris images are accordingly classified into seven categories based on their global RGB *** the classification process,the images are filtered,and adaptive thresholding is applied to enhance the global contrast and detect the outer iris ***,to characterize the pupil area,the algorithm scans the cropped outer ring region for local minima values to identify the darkest area in the iris *** experimental results show that our method outperforms existing segmentation techniques using the UBIRIS.v1 and v2 databases and achieved a segmentation accuracy of 99.32 on UBIRIS.v1 and an error rate of 1.59 on UBIRIS.v2.

关键词： Image recognition color segmentation image processing localization

Ordinary Urban Heritage of Rattanakosin: Ordinary restaurants and everyday foods of the historic center of Bangkok

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Frontiers of Architectural Research 2024年第2期13卷 335-348页

作者： Prin Jhearmaneechotechai design for Creative Economy Research Unit Department of Urban and Regional PlanningFaculty of ArchitectureChulalongkorn UniversityBangkok 10330Thailand

This paper discussed the selection criteria for Ordinary Urban Heritage (OUH) in Rattanakosin, the historic center of Bangkok through the case of ordinary restaurants and everyday foods. The OUH stands for an alternative approach to heritage understanding and conservation, derived from the notion of ordinary heritage, vernacular heritage, and urban heritage emphasizing the heritages of the everydayness of ordinary people. The OUHs have co-existed and inherited through the evolution of the city but are overlooked by the official conservation process. Ordinary restaurants and everyday foods were selected by 5 criteria, 1) appeared for more than 50 years;2) created, developed, and used by ordinary people;3) found as the clusters;4) able to be adapted to the urban context;5) exist until the present *** methodology applied to the analysis of the historical documents and Bangkok maps from 1887 to 1974, and the selection criteria developed from past research in another old commercial district of Bangkok were also reinvestigated with observational surveys. Ordinary restaurants and everyday foods are the outcomes representing the heritage of everyday life of ordinary people that are ubiquitously related to commercial activities.

关键词： Ordinary restaurants Everyday foods Rattanakosin Selection criteria Ordinary Urban Heritage

The interaction of history and modern thought in the creation of Iran’s architecture by investigating the approaches of past-oriented architecture

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Frontiers of Architectural Research 2024年第3期13卷 459-486页

作者： Mohsen Kamali Department of architecture Faculty of Arts and ArchitectureYazd UniversityYazdIran

The relationship between tradition and modernity significantly influences society,culture,and architectural *** philosophy offers a framework for exploring the impact of traditional architecture on contemporary Iranian architecture from different perspectives and *** viewpoints exist on whether historical architecture can be a defining characteristic of contemporary architectural *** an in-depth review of analysis-centred architectural literature,a unique method was chosen for analysing contemporary architecture and gaining insight into its *** main goal of this study is to establish a productive relationship between past-oriented architecture,innovative architectural concepts,and contemporary *** article examines three critical viewpoints,tradition as imitation,transmission,and transformation,alongside analysing their influential components on architectural form to gain insight into productively connecting with historical achievements and show that the role of history is to add new values to architecture-conscious needs that have changed during ***,the challenge lies in finding a suitable path among diverse perspectives and reinterpretations and establishing a productive relationship with history and contemporary thought.

关键词： Tradition Modernism Past-oriented architecture Contemporary Iranian architecture Concept-oriented architecture Contemporary architectural approaches

Evaluating changes in business distribution within urban rail transit hubs in Beijing via Point of Interest (POI) data analysis (2008-2020)

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Frontiers of Architectural Research 2024年第2期13卷 305-318页

作者： Bo Wan Dongyang Wan Qiang Sheng School of architecture and design Beijing Jiaotong UniversityBeijing 100044China

This paper,set against the backdrop of expanding urban rail networks and dynamic urban development,focuses on the distribution and evolution of commercial Points of Interests(POIs)within the central urban rail transit areas of *** study examines data from four different years-2008,2013,2017,and 2020-to observe the temporal evolution of commercial *** identifies stable explanatory variables affecting the distribution and evolution of commercial POIs,which include rail transit accessibility,characteristics of the working and residential population distribution around stations,and the construction intensity in the vicinity of station *** statistical analysis and model building,relatively stable linear regression equations were established,with R2 values generally maintained above 0.5(except for 2017).The study advances our understanding of the influence of rail transit on urban commercial spaces and how this influence shifts with temporal and urban developmental *** elucidates the correlation between changes in the number of businesses and spatial configuration,offering insights and information for urban planners and policy *** research also serves as a model for exploring the interplay between urban rail transit and commercial spaces in other major cities.

关键词： Urbanrail transit areas Spatial configuration Distributionand evolution of commercial POls

From“prototype”to“model”:Architectural and spatial development of Block A(1924—1945)of Istanbul’s Heybeliada Sanatorium

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Frontiers of Architectural Research 2024年第1期13卷 1-20页

作者： Deniz Avci-Hosanli Cansu Degirmencioglu Department of Interior architecture and Environmental design Izmir University of EconomicsIzmir 35330Turkey TUM School of Engineering and design Department of ArchitectureTechnical University of MunichMunich 80333Germany

This article examines Block A,the first block-style building in Heybeliada Sanatorium in *** purpose of this research is to understand its architectural and spatial development and discuss how in fact it was a“prototype”of Turkish *** with a three-step methodology(documentation/evaluation/results)this research conducts architectural and spatial analysis on Block *** sources like architectural documentation and restitution drawings,the writings of the institution’s head doctor Tevfik Ismail Gökçe,periodicals on tuberculosis(TB),as well as pertinent literature are *** findings demonstrate that Block A’s development(1924—1945)was the result of knowledge transfer that introduced the universal sanatorium design principles,spatial experiments,adaptation to sociocultural norms,and trial-and-error *** only it had a major impact on shaping of the second block-type building in the complex,the“model”Block B,but it also became exemplary of the subsequent Turkish *** originality of this article is its exploration of the changing and evolving Block A in its resonation with the cultural tensions of Turkey’s modernization *** was established via the assessment of budgetary issues,medical developments and climatic experiments,the social issue of scarcity of TB beds in the country,spatial practices to separate the sexes as reflections of local traditions and culture in the shaping of spaces.

关键词： Sanatorium architecture Tuberculosis History of healthcare Early republican Turkey Istanbul

Perception beyond sight:Investigating the cognitive maps of congenitally blind individuals in urban environments

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Frontiers of Architectural Research 2024年第4期13卷 809-821页

作者： Anwar Ibrahim Hikmat HAli Zainab Mahmoud College of architecture and design Jordan University of Science and TechnologyIrbidJordan College of Engineering and architecture Al Yamamah UniversityRiyadhKSA

This study explores the challenges faced by congenitally blind individuals in navigating urban ***,this research investigates the factors that contribute to the construction of city mental mapping for individuals who are born ***-one congenitally blind individuals from the University of Jordan were asked to define and describe specific elements of the city based on their personal experiences and ***,participants were guided through two urban paths:familiar and *** participants were asked to complete a survey regarding their experiences during the *** collected data was analyzed by using thematic *** results revealed that congenitally blind individuals construct their mental image of the city by using their three senses of touching,hearing,and smelling,as well as their safety and *** mental image consists of five key elements:links,reference points,areas,separators,and *** the small size of the study sample and the specificity of the context,the results of this study will tremendously help planners in designing highly inclusive urban *** characteristics that can be recognized by the blinds will enhance their accessibility of urban spaces,encourage independent mobility,increase the quality of life and social inclusion for them.

关键词： Mental map City image Congenital blind Cognitive mapping Environmental perception