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Search Results (1,348)

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20 pages, 7061 KiB  
Article
Soundscapes and Emotional Experiences in World Heritage Temples: Implications for Religious Architectural Design
by Yanling Li, Xiaocong Li and Ming Gao
Buildings 2025, 15(15), 2681; https://doi.org/10.3390/buildings15152681 - 29 Jul 2025
Viewed by 128
Abstract
The impact of soundscapes in religious architecture on public psychology has garnered increasing attention in both research and policy domains. However, the mechanisms by which temple soundscapes influence public emotions remain scientifically unclear. This paper aims to explore how soundscapes in temple architectures [...] Read more.
The impact of soundscapes in religious architecture on public psychology has garnered increasing attention in both research and policy domains. However, the mechanisms by which temple soundscapes influence public emotions remain scientifically unclear. This paper aims to explore how soundscapes in temple architectures designated as World Natural and Cultural Heritage sites affect visitors’ experiences. Considering visitors with diverse social and demographic backgrounds, the research design includes subjective soundscape evaluations and EEG measurements from 193 visitors at two World Heritage temples. The results indicate that visitors’ religious beliefs primarily affect their soundscape perception, while their soundscape preferences show specific correlations with chanting and human voices. Furthermore, compared to males, females exhibit greater sensitivity to emotional variations induced by soundscape experiences. Urban architects can enhance visitors’ positive emotional experiences by integrating soundscape design into the planning of future religious architectures, thereby creating pleasant acoustic environments. Full article
(This article belongs to the Section Architectural Design, Urban Science, and Real Estate)
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13 pages, 1425 KiB  
Article
Psychology or Physiology? Choosing the Right Color for Interior Spaces to Support Occupants’ Healthy Circadian Rhythm at Night
by Mansoureh Sadat Jalali, Ronald B. Gibbons and James R. Jones
Buildings 2025, 15(15), 2665; https://doi.org/10.3390/buildings15152665 - 28 Jul 2025
Viewed by 161
Abstract
The human circadian rhythm is connected to the body’s endogenous clock and can influence people’s natural sleeping habits as well as a variety of other biological functions. According to research, various electric light sources in interior locations can disrupt the human circadian rhythm. [...] Read more.
The human circadian rhythm is connected to the body’s endogenous clock and can influence people’s natural sleeping habits as well as a variety of other biological functions. According to research, various electric light sources in interior locations can disrupt the human circadian rhythm. Many psychological studies, on the other hand, reveal that different colors can have varied connections with and a variety of effects on people’s emotions. In this study, the effects of light source attributes and interior space paint color on human circadian rhythm were studied using 24 distinct computer simulations. Simulations were performed using the ALFA plugin for Rhinoceros 6 on an unfurnished bedroom 3D model at night. Results suggest that cooler hues, such as blue, appear to have an unfavorable effect on human circadian rhythm at night, especially when utilized in spaces that are used in the evening, which contradicts what psychologists and interior designers advocate in terms of the soothing mood and nature of the color. Furthermore, the effects of Correlated Color Temperature (CCT) and the intensity of a light source might be significant in minimizing melanopic lux to prevent melatonin suppression at night. These insights are significant for interior designers, architects, and lighting professionals aiming to create healthier living environments by carefully selecting lighting and color schemes that support circadian health. Incorporating these considerations into design practices can help mitigate adverse effects on sleep and overall well-being, ultimately contributing to improved occupant comfort and health. Full article
(This article belongs to the Section Building Energy, Physics, Environment, and Systems)
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33 pages, 6092 KiB  
Article
3D Reconstruction of Unrealised Monumental Heritage and Its Impact on Gallery Experience
by Jure Ahtik, Anja Škerjanc, Helena Gabrijelčič Tomc and Tanja Nuša Kočevar
Buildings 2025, 15(15), 2632; https://doi.org/10.3390/buildings15152632 - 25 Jul 2025
Viewed by 241
Abstract
The research was initiated by the Plečnik House gallery (Ljubljana, Slovenia) and focuses on the 3D architectural reconstruction of the unrealised monument of the Czech military leader Jan Žižka, designed by the Slovenian architect Jože Plečnik. In addition, the experience with the 3D [...] Read more.
The research was initiated by the Plečnik House gallery (Ljubljana, Slovenia) and focuses on the 3D architectural reconstruction of the unrealised monument of the Czech military leader Jan Žižka, designed by the Slovenian architect Jože Plečnik. In addition, the experience with the 3D reconstructed monument in the exhibition “Plečnik and the Sacred” was analysed. Using the available references and interpretative approaches, a digital and 3D-printed reconstruction was created that retains Plečnik’s architectural style. The experimental phase included a detailed interpretation of the studied references, 3D modelling, 3D printing, exhibition and experience analysis. The dimensions of the finished 3D-printed model are 52.80 × 55.21 × 44.60 cm. It was produced using stereolithography (SLA) for figurative elements and fused deposition modelling (FDM) for architectural components. The reconstruction was evaluated using participant testing, including semantic differential analysis, comparative studies, and knowledge-based questionnaires. The results showed that architectural elements were reconstructed with an average similarity score of 1.97 out of 5. Statues followed with a score of 1.81, and props, though detailed, met audience expectations, scoring 1.61. Clothing received the lowest score of 1.40. This research emphasises the importance of a hypothetical digital 3D reconstruction of never constructed monument for broader understanding of Plečnik’s legacy. Full article
(This article belongs to the Section Building Materials, and Repair & Renovation)
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15 pages, 753 KiB  
Article
A Novel Cloud Energy Consumption Heuristic Based on a Network Slicing–Ring Fencing Ratio
by Vinay Sriram Iyer, Yasantha Samarawickrama and Giovani Estrada
Network 2025, 5(3), 27; https://doi.org/10.3390/network5030027 - 25 Jul 2025
Viewed by 177
Abstract
The widespread adoption of cloud computing has amplified the demand for electric power. It is strategically important to address the limitations of reliable sources and sustainability of power. Research and investment in data centres and power infrastructure are therefore critically important for our [...] Read more.
The widespread adoption of cloud computing has amplified the demand for electric power. It is strategically important to address the limitations of reliable sources and sustainability of power. Research and investment in data centres and power infrastructure are therefore critically important for our digital economy. A novel heuristic for the minimisation of energy consumption in cloud computing is presented. It draws similarities to the concept of “network slices”, in which an orchestrator enables multiplexing to reduce the network “churn” often associated with significant losses of energy consumption. The novel network slicing–ring fencing ratio is a heuristic calculated through an iterative procedure for the reduction in cloud energy consumption. Simulation results show how the non-convex equation optimises power by reducing energy from 10,680 kJ to 912 kJ, which is a 91.46% efficiency gain. In comparison, the Heuristic AUGMENT Non-Convex algorithm (HA-NC, by Hossain and Ansari) reported a 312.74% increase in energy consumption from 2464 kJ to 10,168 kJ, while the Priority Selection Offloading algorithm (PSO, by Anajemba et al.) also reported a 150% increase in energy consumption, from 10,738 kJ to 26,845 kJ. The proposed network slicing–ring fencing ratio is seen to successfully balance energy consumption and computing performance. We therefore think the novel approach could be of interest to network architects and cloud operators. Full article
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14 pages, 3995 KiB  
Article
Future Illiteracies—Architectural Epistemology and Artificial Intelligence
by Mustapha El Moussaoui
Architecture 2025, 5(3), 53; https://doi.org/10.3390/architecture5030053 - 25 Jul 2025
Viewed by 281
Abstract
In the age of artificial intelligence (AI), architectural practice faces a paradox of immense potential and creeping standardization. As humans are increasingly relying on AI-generated outputs, architecture risks becoming a spectacle of repetition—a shuffling of data that neither truly innovates nor progresses vertically [...] Read more.
In the age of artificial intelligence (AI), architectural practice faces a paradox of immense potential and creeping standardization. As humans are increasingly relying on AI-generated outputs, architecture risks becoming a spectacle of repetition—a shuffling of data that neither truly innovates nor progresses vertically in creative depth. This paper explores the critical role of data in AI systems, scrutinizing the training datasets that form the basis of AI’s generative capabilities and the implications for architectural practice. We argue that when architects approach AI passively, without actively engaging their own creative and critical faculties, they risk becoming passive users locked in an endless loop of horizontal expansion without meaningful vertical growth. By examining the epistemology of architecture in the AI age, this paper calls for a paradigm where AI serves as a tool for vertical and horizontal growth, contingent on human creativity and agency. Only by mastering this dynamic relationship can architects avoid the trap of passive, standardized design and unlock the true potential of AI. Full article
(This article belongs to the Special Issue AI as a Tool for Architectural Design and Urban Planning)
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10 pages, 472 KiB  
Article
Comparison of Total Antioxidant Capacity in COPD, Asthma, and Asthma–COPD Overlap Patients
by Melike Yüksel Yavuz, Muzaffer Onur Turan, Hayat Özkanay and Mehmet Köseoğlu
Medicina 2025, 61(8), 1340; https://doi.org/10.3390/medicina61081340 - 24 Jul 2025
Viewed by 174
Abstract
Background and Objectives: Asthma, COPD, and asthma–COPD overlap are obstructive lung diseases with inflammation at their core. Oxidative stress and impaired antioxidant balance play a significant role in etiopathogenesis. This study aimed to determine whether there are differences in total antioxidant capacity (TAC) [...] Read more.
Background and Objectives: Asthma, COPD, and asthma–COPD overlap are obstructive lung diseases with inflammation at their core. Oxidative stress and impaired antioxidant balance play a significant role in etiopathogenesis. This study aimed to determine whether there are differences in total antioxidant capacity (TAC) between asthma, COPD, and asthma–COPD overlap. Materials and Methods: A total of 76 patients participated in this prospective cross-sectional study. TAC levels in fasting venous blood samples were measured using a biochemistry analyzer and the total antioxidant activity method (Architect C1600, Abbott Laboratories, IL, USA). Results: TAC levels were lower in COPD patients compared to asthma and ACO patients (p = 0.049 and 0.026, respectively). TAC levels were lower in current and former smokers compared to never smokers (p = 0.033). There was no significant correlation between TAC level and eosinophil count (p = 0.597) and FEV1 and FEV1/FVC (p = 0.372 and p = 0.189). Conclusions: Our results suggest that TAC levels may serve as a marker to differentiate COPD from asthma or ACO. Full article
(This article belongs to the Section Pulmonology)
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27 pages, 441 KiB  
Article
A Penny Saved Is a Penny Earned: How Executive Cognitive Flexibility Drives Performance Through Strategic Resource Reallocation
by Xiaochuan Guo, La Tao, You Chen and Xue Lei
Sustainability 2025, 17(15), 6698; https://doi.org/10.3390/su17156698 - 23 Jul 2025
Viewed by 298
Abstract
In an era where sustainable development is increasingly a core strategic issue for businesses, how top management, as the architects of corporate strategy, can achieve a synergy of economic, social, and environmental benefits through internal management mechanisms to promote corporate sustainability is a [...] Read more.
In an era where sustainable development is increasingly a core strategic issue for businesses, how top management, as the architects of corporate strategy, can achieve a synergy of economic, social, and environmental benefits through internal management mechanisms to promote corporate sustainability is a central focus for both academia and practice. This study aims to explore how Executive Cognitive Flexibility (CF) influences Firm Performance and to uncover the mediating effects of Non-market Strategy. We use panel data from Chinese A-share listed companies between 2016 and 2022 to examine and empirically analyze this mechanism. Our findings indicate that CF has a positive impact on Firm Performance. This relationship is realized through the pathway of Non-market Strategy, specifically manifesting as a reduction in Corporate Social Responsibility (CSR) and an increase in Corporate Political Activity (CPA). Further analysis reveals that the impact of executive cognitive flexibility on firm performance is differentially influenced by internal and external environmental contexts. The findings of this study provide important practical insights and policy recommendations for companies on cultivating executive cognitive flexibility, optimizing non-market strategies, and enhancing firm performance in various internal and external environments. Full article
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32 pages, 858 KiB  
Review
Designing Sustainable and Acoustically Optimized Dental Spaces: A Comprehensive Review of Soundscapes in Dental Office Environments
by Maria Antoniadou, Eleni Ioanna Tzaferi and Christina Antoniadou
Appl. Sci. 2025, 15(15), 8167; https://doi.org/10.3390/app15158167 - 23 Jul 2025
Viewed by 324
Abstract
The acoustic environment of dental clinics plays a critical role in shaping patient experience, staff performance, and overall clinical effectiveness. This comprehensive review, supported by systematic search procedures, investigates how soundscapes in dental settings influence psychological, physiological, and operational outcomes. A total of [...] Read more.
The acoustic environment of dental clinics plays a critical role in shaping patient experience, staff performance, and overall clinical effectiveness. This comprehensive review, supported by systematic search procedures, investigates how soundscapes in dental settings influence psychological, physiological, and operational outcomes. A total of 60 peer-reviewed studies were analyzed across dental, healthcare, architectural, and environmental psychology disciplines. Findings indicate that mechanical noise from dental instruments, ambient reverberation, and inadequate acoustic zoning contribute significantly to patient anxiety and professional fatigue. The review identifies emerging strategies for acoustic optimization, including biophilic and sustainable design principles, sound-masking systems, and adaptive sound environments informed by artificial intelligence. Special attention is given to the integration of lean management and circular economy practices for sustainable dental architecture. A design checklist and practical framework are proposed for use by dental professionals, architects, and healthcare planners. Although limited by the predominance of observational studies and geographic bias in the existing literature, this review offers a comprehensive, interdisciplinary synthesis. It highlights the need for future clinical trials, real-time acoustic assessments, and participatory co-design methods to enhance acoustic quality in dental settings. Overall, the study positions sound design as a foundational element in creating patient-centered, ecologically responsible dental environments. Full article
(This article belongs to the Special Issue Soundscapes in Architecture and Urban Planning)
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33 pages, 4962 KiB  
Article
The Birth of Black Modernism: Building Community Capacity Through Intentional Design
by Eric Harris, Anna Franz and Kathy Dixon
Buildings 2025, 15(14), 2544; https://doi.org/10.3390/buildings15142544 - 19 Jul 2025
Viewed by 511
Abstract
Throughout history, communities have struggled to build homes in places actively hostile to their presence, a challenge long faced by African descendants in the American diaspora. In cities across the U.S., including Washington, D.C., efforts have often been made to erase Black cultural [...] Read more.
Throughout history, communities have struggled to build homes in places actively hostile to their presence, a challenge long faced by African descendants in the American diaspora. In cities across the U.S., including Washington, D.C., efforts have often been made to erase Black cultural identity. D.C., once a hub of Black culture, saw its urban fabric devastated during the 1968 riots following Dr. Martin Luther King Jr.’s assassination. Since then, redevelopment has been slow and, more recently, marked by gentrification, which has further displaced Black communities. Amid this context, Black architects such as Michael Marshall, FAIA, and Sean Pichon, AIA, have emerged as visionary leaders. Their work exemplifies Value-Inclusive Design and aligns with Roberto Verganti’s Design-Driven Innovation by embedding cultural relevance and community needs into development projects. These architects propose an intentional approach that centers Black identity and brings culturally meaningful businesses into urban redevelopment, shifting the paradigm of design practice in D.C. This collective case study (methodology) argues that their work represents a distinct architectural style, Black Modernism, characterized by cultural preservation, community engagement, and spatial justice. This research examines two central questions: Where does Black Modernism begin, and where does it end? How does it fit within and expand beyond the broader American Modernist architectural movement? It explores the consequences of the destruction of Black communities, the lived experiences of Black architects, and how those experiences are reflected in their designs. Additionally, the research suggests that the work of Black architects aligns with heutagogical pedagogy, which views community stakeholders not just as beneficiaries, but as educators and knowledge-holders in architectural preservation. Findings reveal that Black Modernism, therefore, is not only a design style but a method of reclaiming identity, telling untold histories, and building more inclusive cities. Full article
(This article belongs to the Section Architectural Design, Urban Science, and Real Estate)
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18 pages, 5460 KiB  
Article
New Perspectives on Digital Representation: The Case of the ‘Santa Casa de Misericórdia’ in São Carlos (Brazil)
by Cristiana Bartolomei, Luca Budriesi, Alfonso Ippolito, Davide Mezzino and Caterina Morganti
Buildings 2025, 15(14), 2502; https://doi.org/10.3390/buildings15142502 - 16 Jul 2025
Viewed by 278
Abstract
This research aims to investigate the Italian architectural heritage in Brazil through the analysis of the ‘Santa Casa de Misericórdia’ hospital in São Carlos, in the state of São Paulo. As part of the KNOW.IT national project, the work aims to recover and [...] Read more.
This research aims to investigate the Italian architectural heritage in Brazil through the analysis of the ‘Santa Casa de Misericórdia’ hospital in São Carlos, in the state of São Paulo. As part of the KNOW.IT national project, the work aims to recover and digitally enhance Italian heritage abroad from the 19th and 20th centuries. The buildings analysed were either designed or built by Italian architects who emigrated to South America or constructed using materials and techniques typical of Italian architecture of those years. The hospital, designed by the Italian architect Samuele Malfatti in 1891, was chosen for its historical value and its role in the urban context of the city of São Carlos, which, moreover, continues to perform its function even today. The study aims to create a digital archive with 3D models and two-dimensional graphical drawings. The methodology includes historical analysis, photogrammetric survey, and digital modelling using Agisoft Metashape and 3DF Zephyr software. A total of 636 images were processed, with the maximum resolution achieved in the models being 3526 × 2097 pixels. The results highlight the influence of Italian architecture on late 19th-century São Carlos and promote its virtual accessibility and wide-ranging knowledge. Full article
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33 pages, 2339 KiB  
Article
Towards Inclusive and Resilient Living Environments for Older Adults: A Methodological Framework for Assessment of Social Sustainability in Nursing Homes
by Vanja Skalicky Klemenčič and Vesna Žegarac Leskovar
Buildings 2025, 15(14), 2501; https://doi.org/10.3390/buildings15142501 - 16 Jul 2025
Viewed by 378
Abstract
The quality of living environments for older adults represents a critical component of social sustainability in an ageing society. Among various housing options, nursing homes are the most institutionalised form of elderly care and demand special attention regarding architectural design. This paper explores [...] Read more.
The quality of living environments for older adults represents a critical component of social sustainability in an ageing society. Among various housing options, nursing homes are the most institutionalised form of elderly care and demand special attention regarding architectural design. This paper explores the impact of architectural and open space features on social sustainability in living environments for older adults. A comparative analysis of three Slovenian nursing homes is presented. The first two, built in the post-war period, were based on elevated architectural criteria inspired by Swedish human-centred housing design. The third was completed in 2021 in the post-COVID-19 era, which revealed the vulnerability of such housing typologies. An integrated methodological framework was developed by applying two complementary assessment tools: the Safe and Connected, developed by the authors to evaluate the spatial, health, and social resilience of nursing home environments, and the Well-being and Integration, addressing the role of open space with a particular emphasis on the identification of older adults with their environment and the facilitation of social resilience. Both tools evaluate indicators linked to the social dimension of quality of life for older adults. The results show a gradual improvement in architectural quality from the 1960s to the 1980s, followed by a partial decline in the contemporary case. The Swedish example scored highest across both tools. In contrast, the newest Slovenian facility scored surprisingly low in social integration, highlighting critical gaps in current nursing home design. This study demonstrates the value of applying interdisciplinary, tool-based evaluations in identifying design strategies that foster resilient and inclusive LTC environments, and the proposed framework may serve as a decision-making aid for architects, planners, and policymakers. This research highlights the importance of reintroducing human-oriented design principles to support socially sustainable nursing home environments. Full article
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20 pages, 27282 KiB  
Article
Advancing Sustainability and Heritage Preservation Through a Novel Framework for the Adaptive Reuse of Mediterranean Earthen Houses
by Ihab Khalil and Doğa Üzümcüoğlu
Sustainability 2025, 17(14), 6447; https://doi.org/10.3390/su17146447 - 14 Jul 2025
Viewed by 355
Abstract
Adaptive reuse of Mediterranean earthen houses offers a unique opportunity to fuse heritage preservation with sustainable development. This study introduces a comprehensive, sustainability-driven framework that reimagines these vernacular structures as culturally rooted and socially inclusive assets for contemporary living. Moving beyond conventional restoration, [...] Read more.
Adaptive reuse of Mediterranean earthen houses offers a unique opportunity to fuse heritage preservation with sustainable development. This study introduces a comprehensive, sustainability-driven framework that reimagines these vernacular structures as culturally rooted and socially inclusive assets for contemporary living. Moving beyond conventional restoration, the proposed framework integrates environmental, socio-cultural, and economic sustainability across six core dimensions: ecological performance and material conservation, respectful functional transformation, structural resilience, cultural continuity and community engagement, adaptive flexibility, and long-term economic viability. Four geographically and culturally diverse case studies—Alhambra in Spain, Ghadames in Libya, the UCCTEA Chamber of Architects Main Building in North Cyprus, and Sheikh Hilal Beehive Houses in Syria—serve as testbeds to examine how earthen heritage can be reactivated in sustainable and context-sensitive ways. Through qualitative analysis, including architectural surveys, visual documentation, and secondary data, the study identifies both embedded sustainable qualities and persistent barriers, such as structural fragility, regulatory constraints, and socio-economic disconnects. By synthesizing theoretical knowledge with real-world applications, the proposed framework offers a replicable model for policymakers, architects, and conservationists aiming to bridge tradition and innovation. This research highlights adaptive reuse as a practical and impactful strategy for extending the life of heritage buildings, enhancing environmental performance, and supporting community-centered cultural regeneration across the Mediterranean region. Full article
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33 pages, 9139 KiB  
Article
Living Regeneratively: Housing Design That Enables Resident Agency in Ecological Restoration
by Cristina Hernandez-Santin and Dominique Hes
Land 2025, 14(7), 1462; https://doi.org/10.3390/land14071462 - 14 Jul 2025
Viewed by 295
Abstract
In 2022, the United Nations Global Biodiversity Framework set forth an ambitious target for “biodiversity-inclusive cities”, recognising the imperative to address biodiversity decline across all sectors, including the built environment. However, the application of this emerging concept remains limited, with few projects directly [...] Read more.
In 2022, the United Nations Global Biodiversity Framework set forth an ambitious target for “biodiversity-inclusive cities”, recognising the imperative to address biodiversity decline across all sectors, including the built environment. However, the application of this emerging concept remains limited, with few projects directly aligned with the framework’s objectives or timelines necessary for meaningful biodiversity outcomes. To address this limitation this research presents The Paddock, a 27-home regenerative development in southeastern Australia, designed to empower residents in ecological restoration and regeneration efforts. Engagement was initiated through citizen science surveys and a co-design workshop during 2015–2016. As a result, The Paddock seeks to support five focal species’ return via ecosystem-centred design principles. Utilising a mixed-methods approach, the paper documents the design process, ecological decision-making, and the evolving people–nature relationships within the community. Preliminary results indicate the anecdotal return of four targeted species alongside other local fauna. Feedback gathered from residents, combined with insights from the landowner and architect, illustrates that residing in a regenerative environment enhances ecological connections and stewardship tendencies. Ongoing long-term species monitoring will further evaluate the project’s ecological impact. This case study underscores the potential of biodiversity inclusive design (BID) in fostering biodiversity-positive and socially responsive housing developments. Full article
(This article belongs to the Special Issue Human–Nature Relations in Urban Landscape Planning)
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16 pages, 4224 KiB  
Article
Optimizing Museum Acoustics: How Absorption Magnitude and Surface Location of Finishing Materials Influence Acoustic Performance
by Milena Jonas Bem and Jonas Braasch
Acoustics 2025, 7(3), 43; https://doi.org/10.3390/acoustics7030043 - 11 Jul 2025
Viewed by 311
Abstract
The architecture of contemporary museums often emphasizes visual aesthetics, such as large volumes, open-plan layouts, and highly reflective finishes, resulting in acoustic challenges, such as excessive reverberation, poor speech intelligibility, elevated background noise, and reduced privacy. This study quantified the impact of surface—specific [...] Read more.
The architecture of contemporary museums often emphasizes visual aesthetics, such as large volumes, open-plan layouts, and highly reflective finishes, resulting in acoustic challenges, such as excessive reverberation, poor speech intelligibility, elevated background noise, and reduced privacy. This study quantified the impact of surface—specific absorption treatments on acoustic metrics across eight gallery spaces. Room impulse responses calibrated virtual models, which simulated nine absorption scenarios (low, medium, and high on ceilings, floors, and walls) and evaluated reverberation time (T20), speech transmission index (STI), clarity (C50), distraction distance (rD), Spatial Decay Rate of Speech (D2,S), and Speech Level at 4 m (Lp,A,S,4m). The results indicate that going from concrete to a wooden floor yields the most rapid T20 reductions (up to −1.75 s), ceiling treatments deliver the greatest STI and C50 gains (e.g., STI increases of +0.16), and high-absorption walls maximize privacy metrics (D2,S and Lp,A,S,4m). A linear regression model further predicted the STI from T20, total absorption (Sabins), and room volume, with an 84.9% conditional R2, enabling ±0.03 accuracy without specialized testing. These findings provide empirically derived, surface-specific “first-move” guidelines for architects and acousticians, underscoring the necessity of integrating acoustics early in museum design to balance auditory and visual objectives and enhance the visitor experience. Full article
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17 pages, 3867 KiB  
Article
A Case-Study-Based Comparative Analysis of Using Prefabricated Structures in Industrial Buildings
by Abdelhadi Salih, Cynthia Changxin Wang, Rui Tian and Mohammad Mojtahedi
Buildings 2025, 15(14), 2416; https://doi.org/10.3390/buildings15142416 - 10 Jul 2025
Viewed by 362
Abstract
Construction costs have increased significantly since the COVID-19 pandemic due to supply chain disruption, labour shortages, and construction material price hikes. The market is increasingly demanding innovative construction methods that can save construction costs, reduce construction time, and minimise waste and carbon emission. [...] Read more.
Construction costs have increased significantly since the COVID-19 pandemic due to supply chain disruption, labour shortages, and construction material price hikes. The market is increasingly demanding innovative construction methods that can save construction costs, reduce construction time, and minimise waste and carbon emission. The prefabrication system has been used for years in industrial construction, resulting in better performance in regard to structure stability, the control of wastage, and the optimisation of construction time and cost. In addition, prefabrication has had a positive contribution on resource utilisation in the construction industry. There are various types of prefabricated wall systems. However, the majority of comparative studies have focused on comparing each prefabrication wall system against the conventional construction system, while limited research has been conducted to compare different prefabrication structures. This study examined four prominent prefabricated wall systems, i.e., precast walls, tilt-up walls, prefabricated steel-frame walls, and on-site-cut steel-frame walls, to determine which one is more suitable for the construction of industrial buildings to minimise cost, time delay, and labourer utilisation on construction sites, as well as to enhance structure durability, construction efficiency, and sustainability. One primary case project and five additional projects were included in this study. For the primary case project, data were collected and analysed; for example, a subcontractor cost comparison for supply and installation was conducted, and shop drawings, construction procedures, timelines, and site photos were collected. For the additional five projects, the overall cost data were compared. The main research finding of this study is that factory-made precast walls and tilt-up wall panels require similar construction time. However, on average, tilt-up prefabrication construction can reduce the cost by around 23.55%. It was also found that prefabricated frame walls provide cost and time savings of around 39% and 10.5%, respectively. These findings can provide architects, developers, builders, suppliers, regulators, and other stakeholders with a comprehensive insight into selecting a method of wall construction that can achieve greater efficiency, cost savings, and environmental sustainability in the construction of industrial and commercial buildings. Full article
(This article belongs to the Collection Buildings for the 21st Century)
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